652 
Wisconsin Academy of Sciences, Arts, and Letters. 
Desmidium baileyi Nordstedt. 
Acta imiv. Lunds 16: 4, 1880; Kgl. Sv. Vet.-Ak. Handl. 22: No. 8: 27. 
Vl. 2, jigs. 4-5. 1888. 
I. Found (r). 
Class HETEROKONTAE. 
Order Heterococcales 
Family BOTRYOCOCCACEAE 
Genus BOTRYOCOCCUS Kiitzing 1849. 
Botryococcus braunii Kiitzing. 
Species algarum 892. 1849; Fresenius, Abh. Senckenb. Naturf. Ges. 2: 
239. pi. 11, figs. 27-33. 1858. 
The identity of the organism that Kiitzing named B. Braunii 
has been a matter of considerable discussion. Fresenius’ ac¬ 
count is of particular interest since he compared his material with 
material sent him by Braun from the original station (Neuen- 
berger Lake). His figures, although small, are quite character¬ 
istic. 
This alga was listed as Ineffigiata neglect a W. & G. S. West in 
the preliminary list, the B. Braunii of that list being B. sudeticus 
Lemmermann. 
I. Beaver (rr). 
II. Browns (ss). Gamp (rrr). Center (s), Delevan (rrr), Elizabeth (rr). 
Green (rrr), Mary (sss). Mill (ss). Paddock (r), Silver (r). 
III. Bear (rr), Beaverdam (ss), Birch (rr), Chetac (rr), Devils (rr). 
Grindstone (r). Horseshoe (rr). Lac Court Oreilles (sss). Little 
Kice (rr), Eeserve (rr), Eice (rr), Shell (rr), Whitefish (rrr). 
Botryococcus protruberans var. minor var. nov. 
Cells half the size of the typical form. Length 8-9. 5/a, 
greatest breadth 5-6. 5 (Plate 14, figs. 6-7). 
The typical form of this particular species was described from 
preserved material and the Wests were unable to determine the 
nature of the chloroplast. I have collected it in abundance 
from one lake and find that the chloroplast is distinctly parietal 
and occupies the greater portion of the wall in certain cases. 
