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CHAPTER X.
THE ALGAE.

By

J. H. FAULL, Ph.D.

THE following has been compiled mainly from Professor Mackenzie's list, which unfortunately has never been extended. Some few forms have been added; these are marked with an asterisk. It is quite needless to say that this list records but a small part of the algal flora in a district so favour-ably situated as is Toronto.

CYANOPHYCEAE—The Blue-green Algae.

Nearly all of the blue-greens mentioned have been taken from Howard Lake in High Park.

Family Chroococcaceae.

Chroococcus turgidus, Naeg. Merismopedium glaucum, Naeg.

Family Chamaesiphonaceae.

Chamaesiphon incrustans, Grunow.* Abundant on filaments of Cladophora, Toronto Is-land.

Family 0scillatoriaceae. Oscillaria percursa, Kuetz.

princeps, Vauch.

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