Smith—Phytoplankton of the Muskoka Region, 
329 
GLOEOTRICHIA J. G. Agardh 1842 
Gloeotrichia echinulata (Eng. Bot.) P. Richter 
Clear (2) (r). 
A form of this species was noted from Long Lake with ovoid 
hetereocysts and longer and narrower spores. 
Heterocysts 8.75-10 y broad, 11.5-13 /* long; spores 7.5-8.75 //. 
broad, 41-60 //. long. 
Class PHAEOPHYCEAE 
Order Chromulinales 
CHRYSOSPHAERELLA Lauterborn 1896 
Chrysosphaerella longispina Lauterborn 
Burned Rock (s), Butterfly (s), Gull (1) (c), Echo (rrr), Hamer (r), 
Harbon (s), Henshaw (rr), Joseph (aa), Leech (r), Long (1) (rr), Long 
(2) (r). Loon (sss), Muskoka (cc), Otter (ss), Pine (s), Portage (cc), 
Rosseau (cc), Round (1) (rrr), Round (2) (ccc), Rowle'y (s), Silver (1) 
(s), Strange (ss), Vernon (r). 
Order Isochrysidales 
SYNURA Ehrenberg 1838 
Synura dvella Ehr. 
Basil (s), Black (1) (rr), Brush (rr), Burned Rock (r), Butterfly (r), 
Cornell (s), Echo (ccc), Gull (2) (a), Harbon (sss), Henshaw (s), Joseph 
(sss), Lake of Bays (r), Leech (sss), Long (1) (r). Loon (ss), Little Dud¬ 
ley (ss), McGowan (cc), Marion (sss), Mill (ccc), Muskoka (cc), Nelson 
(s), Nine Mile (cc), Otter (r), Pennsylvania (rr), Pine (sss). Round 
(1) (rr), Rosseau (ss), Rowley (ss), Silver (1) (sss), Strange (c), 
Vernon (r), White (r). 
Order Ochromonadales 
UROGLENOPSIS Lemmermann 1899 
Uroglenopsis Americana (Calk.) Lemm. 
Gull (1) (rrr), Henshaw (rrr), Joseph (r), Leech (rr), Loon (rr), 
Marion (rr), Mill (rrr), Muskoka (r), Otter (rr), Rowley (rrr). Strange 
(r). 
