BOTANY

DT001

DT002

DT003

DT004

DT005

DT006

DT007

DT008

DT009

DT010

DT011

DT012

DT013

DT014

DT015

Arachnoidiscus, central marine diatoms

Coscinodiscus, central marine diatoms, mixed species

Diatomeous earth, a mixture of various fossil diatoms

Diatoms from fresh water, fixed and stained to show the chromatophores

Diatoms marine, fixed and stained to show the chromatophores

Diatoms, fixed and stained to show the chromatophores

Diatoms, fossil from fresh water, mixed species

Diatoms, fossil marine, mixed species

Diatoms, recent from fresh water, mixed species

Diatoms, recent marine, mixed species

Pleurosigma angulatum, for testing microscope resolution, nd 1,0

Silicoflagellates, Distephanus and others, w.m.

Surirella gemma, for testing microscope resolution, nd 1,0

Synedra ulna, species from fresh water

Triceratium and Tricnaria, triangular marine diatoms

BO001

BO002

BO003

BO004

BO005

BO006

BO007

BO008

BO009

BO010

BO011

BO012

BO013

BO014

BO015

BO016

BO017

BO018

BO019

BO020

BO021

BO022

BO023

BO024

BO025

BO026

BO027

BO028

BO029

BO030

BO031

Anabaena or Oscillatoria, nuclear stain

Anabaena, thread shaped blue-green algae with heterocysts w.m.

Aphanizomenon, single filaments of various length w.m.

Aphanothece, small single cells in colonies w.m.

Arthrospira, filaments in regular spirals w.m.

Beggiatoa, a colourless alga showing lack of chlorophyll

Chroococcus, large single celled blue-green algae w.m.

Cylindrospermum, with heterocysts and spores w.m.

Fischerella (Hapalosiphon), branched filaments w.m.

Gloeocapsa, small colonies within sheaths w.m.

Gloeotrichia, forming akinetes w.m.

Lyngbya, filamentous algae within sheaths w.m.

Merismopedia, flat colonies w.m.

Microcystis, irregular colonies w.m.

Mixed blue-green algae, many different species in one slide for comparison w.m.

Nostoc caeruleum, unbranched filaments, w.m.

Nostoc gunnerae, symbiotic algae living in the stem of Gunnera, section

Nostoc or other blue-green alga, special preparation for nuclear material, Feulgen stain

Nostoc zetterstettii, a gelatinous alga, unbranched filaments, w.m.

Nostoc, section for finer details of filaments and sheaths

Nostoc, w.m. shows filaments and heterocysts

Ophridium versatile, a gelationous alga, filaments with heterocysts

Oscillatoria, a blue-green filamentous alga w.m.

Oscillatoria, mucous sheath stained, w.m.

Oscillatoria, thin sections specially stained to show the nuclear material

Rivularia, with basal heterocysts w.m.

Scytonema, trichomes with false branchings w.m.

Scytonema, trichomes with false branchings w.m.

Spirulina, unicellular spirals w.m.

Stigonema, branched thallus w.m.

Tolypothrix, a blue-green alga with false branchings w.m.

BO0101

BO0102

BO0103

BO0104

BO0105

BO0106

BO0107

BO0108

BO0109

BO0110

BO0111

BO0112

BO0113

BO0114

BO0115

BO0116

BO0117

Closterium, a crescent-shaped desmid w.m.

Comarium, a common desmid with isthmus w.m.

Hyalotheca, a filamentous desmid w.m.

Mesothaenium, a small rod-shaped desmid w.m.

Micrasterias, large plate-shaped desmids w.m.

Mixed desmids of various forms, strewn slide w.m.

Mougeotia, a filamentous alga with flat chloroplasts w.m.

Spirogyra, a common alga with spiral chloroplasts, w.m. of vegetative filaments, carefully stained. For gen. study

Spirogyra, in lateral conjugation w.m. +

Spirogyra, in scalariform conjugation and after the stage of conjugation, w.m.

Spirogyra, in scalariform conjugation showing zygotes w.m., a large species with several chloroplasts in each cell

Spirogyra, showing formation of zygotes w.m.

Spirogyra, vegetative w.m., a large species with several chloroplasts in each cell

Spirogyra, vegetative w.m., a small species with single chloroplast in each cell

Staurastrum, double cells with spines w.m.

Zygnema, in conjugation and after conjugation with zygotes w.m.

Zygnema, vegetative filaments with stellate chloroplasts w.m.

BO0151

BO0152

BO0153

BO0154

BO0155

BO0156

BO0157

BO0158

BO0159

BO0160

BO0161

BO0162

BO0163

BO0164

BO0165

BO0166

BO0167

BO0168

BO0169

BO0170

BO0171

BO0172

BO0173

BO0174

BO0175

BO0176

BO0177

BO0178

BO0179

BO0180

BO0181

BO0182

BO0183

BO0184

BO0185

BO0186

BO0187

BO0188

BO0189

BO0190

BO0191

BO0192

BO0193

BO0194

Acetabularia, a marine species with an umbrella-shaped thallus w.m.

Bryopsis, marine green algae w.m.

Bulbochaete, sessile filaments w.m.

Carteria, unicellular algae with four flagella w.m.

Chaetophora, thallus with many branches w.m.

Chlamydomonas, small biflagellate algae w.m.

Chlamydomonas, specially stained to show the flagella

Chlorella, small unicellular green algae, w.m.

Chlorococcus, living on ground, hollowsphere-shaped chloroplasts

Cladophora, branching filaments with multinucleate cells w.m.

Coelastrum, cell colonies w.m.

Coleochaete, a soil species w.m.

Draparnaldia, main filaments and clusters of branches w.m.

Dysmorphococcus, flagellate algae with shells w.m.

Enteromorpha, seaweed, inflated narrow frond w.m.

Eremosphaera, large unicellular green algae w.m.

Eudorina, spherical colonies of thirty-two cells w.m.

Gonium pectorale, plate-like colonial forms w.m.

Gonium sp., specially stained to show the flagella

Haematococcus, unicellular red biflagellate algae w.m.

Hydrodictyon, water net alga, w.m.

Mixed flagellates, many different species for comparison w.m.

Mixed green algae, many different species for comparison w.m.

Oedogonium, a common filamentous green alga without branches, vegetative filaments w.m.

Oedogonium, macrandrous with oogonia w.m.

Oedogonium, nannandrous with dwarf males w.m.

Pandorina, spherical colonies of sixteen cells or smaller w.m.

Pediastrum, star-shaped flat colonies w.m.

Pithophora, branched tropic green algae w.m.

Platydorina, horseshoe-shaped coenobium showing the flagella w.m.

Pleodorina, colonies with cells of different size w.m.

Pleurococcus (Protococcus), small colonies growing on bark, w.m.

Protosiphon, living on ground, with rhizoids w.m.

Scenedesmus, colonies of four cells w.m.

Stigeoclonium, main filaments and simple branches w.m.

Tetracystis, earth algae, groups of four cells w.m.

Tetraspora, cells in a gelatinous layer w.m.

Ulothrix, simple filaments with girdle-shaped chloroplasts w.m.

Ulva, sea lettuce, a marine green alga, w.m. of thallus

Ulva, w.m. of thallus with developing gametes

Vaucheria geminata, sexual stages on lateral branches w.m.

Vaucheria sessilis, showing sexual stages w.m.

Volvox, flattened and specially stained to show flagella

Volvox, spherical colonies with daughter colonies and sexual stages w.m.

BO0401

BO0402

BO0403

BO0404

Dinobryon, a golden alga forming colonies w.m.

Hydrurus, golden alga in a gelatinous matrix w.m.

Ochromonas, a flagellate golden alga w.m.

Tribonema, a filamentous golden alga w.m.

BO0501

BO0502

BO0503

BO0504

BO0505

BO0506

Chara, stonewort, thallus with reproductive organs w.m.

Chara, thallus and reproductive organs l.s.

Chara, thallus t.s.

Chara, thallus with apex l.s.

Chara, w.m. of mature antheridia showing spermatogenous filaments

Nitella, thallus with reproductive organs w.m.

BO0601

BO0602

BO0603

BO0604

BO0605

BO0606

BO0607

BO0608

BO0609

BO0610

BO0611

BO0612

BO0613

BO0614

BO0615

BO0616

BO0617

BO0618

BO0619

BO0620

BO0621

BO0622

BO0623

Ascophyllum nodosum, c.s. of male conceptacle

Dictyopteris, apical region showing more apical cells

Dictyota, thallus with antheridia t.s.

Dictyota, thallus with oogonia t.s.

Dictyota, thallus with tetraspores t.s.

Ectocarpus, plurilocular gametangia or sporangia w.m.

Ectocarpus, unilocular sporangia w.m. +

Elachista fucicola, epiphytic living, w.m. of unilocular sporangia

Fucus platycarpus, hermaphrodite conceptacle with antheridia and oogonia, t.s.

Fucus serratus, female branch with oogonia t.s.

Fucus serratus, male and female branches, two t.s.

Fucus serratus, male branch with antheridia, t.s.

Fucus vesiculosus composite slide, t.s. of male and female conceptacles of a dioecious species on same slide

Fucus vesiculosus, female conceptacle with oogonia t.s.

Fucus vesiculosus, seaweed, male conceptacle with antheridia, t.s.

Fucus, l.s. through apical region with apical cell +

Himanthalia lorea, female conceptacle with oogonia t.s.

Himanthalia lorea, male conceptacle with antheridia t.s.

Laminaria saccharina, thallus with sporangia t.s.

Pylaiella litoralis, uni- and plurilocular sporangia w.m.

Pylaiella litoralis, w.m. showing formation of swarms-cells

Sargassum, gulfweed, thallus with conceptacles t.s.

Sphacelaria sp., thallus with bulbs, w.m.

BO0801

BO0802

BO0803

BO0804

BO0805

BO0806

BO0807

BO0808

BO0809

BO0810

BO0811

BO0812

BO0813

BO0814

Audouinella, a mat-forming fresh water red alga, w.m.

Bangia, a ligamentous fresh water red alga, w.m.

Batrachospermum, a fresh water red alga, w.m.

Ceramium, thallus with tetraspores w.m.

Corallina, a marine calcareous red alga w.m.

Dasya, a marine red alga with irregular branchings w.m.

Furcellaria, marine species w.m.

Lemanea, a fresh water red alga with tubular cortical layer w.m.

Nemalion, thallus with reproductive organs w.m.

Polysiphonia (or Rhodomela), female plant with cystocarps w.m.

Polysiphonia (or Rhodomela), marine red alga, male plant with antheridia w.m.

Polysiphonia (or Rhodomela), tetraspores w.m.

Porphyra, marine red alga, w.m. of one cell layer thallus

Porphyridium, gelatinous layer with algal cells, t.s.