fungi mushrooms mycology the fifth kingdom

Pictorial Supplement to The Fifth Kingdom - Chapter 2b

Phyla Chytridiomycota (Kingdom Fungi)
and Oomycota (Kingdom Chromista)

(29 pictures)

Phylum Chytridiomycota (Kingdom Fungi)

chyzoo.jpg (4078 bytes)
Chytridiomycota - Blastocladiales - zoospore of Allomyces (phase contrast illumination)
X 2000

eucarpic.jpg (9135 bytes)
Chytridiomycota - Chytridiales - eucarpic thallus of Rhizophydium in culture
X 500

pollen1.jpg (2511 bytes)
Chytridiomycota - Chytridiales - Chytridium lagenaria: sporangium developing on a pollen grain of Pinus. Time lapse sequence
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pollen2.jpg (3116 bytes)
Chytridiales - Chytridium releasing zoospores.
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pollen3.jpg (2730 bytes)
Chytridiales - Chytridium releasing uniflagellate zoospores
X 500

pollen4.jpg (2643 bytes)
Chytridiales - Chytridium - empty sporangium on pine pollen grain.
X 500

wart.jpg (7156 bytes)
Chytridiomycota - Chytridiales - wart of potato caused by Synchytrium endobioticum
X 1/3

spirogyr.jpg (6733 bytes)
Chytridiomycota - Chytridiales - sporangia of a eucarpic chytrid on the green alga, Spirogyra
X 100

dinoflag.jpg (4677 bytes)
Chytridiomycota - Chytridiales - sporangia of a chytrid on Ceratium, a planktonic dinoflagellate
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Phylum Oomycota (Kingdom Chromista)

flagella1.jpg (11895 bytes)
Oomycota - the two flagella of a zoospore of Phytophthora palmivora (EM)

achlya.jpg (12789 bytes)
Oomycota - Saprolegniales - broad hyphae of Achlya growing from a hemp seed and producing, (1) long, white asexual zoosporangia and (2) round white sexual oogonia
X 8

saprolegnialean zoosporangia1.jpg (7873 bytes)
Oomycota - Saprolegniales - zoosporangium
X 400

saprolegnialean zoosporangia2.jpg (10721 bytes)
Oomycota -Saprolegniales - zoosporangia.
X 400

This and the slide above were submitted by Correspondence students in course Biology 422 as part of an assignment.

oogonium.jpg (5735 bytes)
Oomycota - Saprolegniales - an oogonium containing several eggs. Note the basal septum, and the thin-walled zones that facilitate penetration by antheridia. (Nomarski interference-contrast illumination).
X 400

2 Albugo lo res.jpg (12890 bytes)
Oomycota - Peronosporales - white rust of crucifers caused by Albugo candida
X 1

albugo2.jpg (10286 bytes)
Oomycota - Peronosporales - vertical section through a sorus of Albugo producing chains of unicellular asexual sporangia from a basal layer of sporangiophores.
X 200

perono1.jpg (5449 bytes)
Oomycota - Peronosporales - sporangiophore of Peronospora with attached sporangia
X 200

dowmilgr.jpg (6302 bytes)
Oomycota - Peronosporales - downy mildew of grape caused by Plasmopara viticola
X 1/3

plasmop1.jpg (4308 bytes)
Oomycota - Peronosporales - branched aerial sporangiophore of Plasmopara viticola
X 200

bordmix1.jpg (10189 bytes)
Oomycota - Peronosporales - vines near Beaune, France,  sprayed with a derivative of Bordeaux Mixture to prevent downy mildew

bordmix2.jpg (8612 bytes)
a billboard in Beaune for the fungicide

blight4.jpg (16612 bytes)
Oomycota - Peronosporales - late blight of potato caused by Phytophthora infestans

blight1.gif (10148 bytes)
Oomycota - Peronosporales - the aerial sporangiophores of Phytophthora emerging from the potato leaves - a drawing made in 1847

blight2.gif (7199 bytes)
Oomycota - Peronosporales - Phytophthora infestans - destitute Irish girls gleaning for food at the height of the potato famine - 1847

blight3.jpg (14181 bytes)
Oomycota - Peronosporales - Phytophthora infestans - people preparing to leave Ireland forever dueing the potato famine.

blight5.jpg (5925 bytes) blight6.jpg (5137 bytes)
Oomycota - Peronosporales - Phytophthora infestans. Monument to 187 Irish would-be immigrants to Canada, fleeing from the potato famine, who drowned just off the Gaspe Peninsula in 1847.

bluemol1.jpg (5754 bytes)
Oomycota - Peronosporales - blue mould of tobacco caused by Peronospora tabacina
X 1/4

bluemol2.jpg (3891 bytes)
Oomycota - Peronosporales - a branched aerial sporangiophore of Peronospora tabacina.
X 200

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