BULBOCHA TE 41 
25a. Var. ripartiana Wittrock. 
(Pl. II, figs. 24 and 25.) 
In Hirn 1900, p. 3385, Pl. LIV, fig. 345; Tiffany 1928, p. 148, Pl. XVI, figs. 
24 and 25. 
Idioandrosporous; division of suffultory cell supreme; dwarf males on 
or near oogonia; vegetative cells 15-21 X45-105y; oogonia 48-54 x 41- 
50u; oospores 46-53 X389-48u; androsporangia 12-16X11-14u; dwarf 
males 10-12 23—25un. 
France. 
26. B. punctulata (Nordstedt) Hirn. 
(Pl. IV, fig. 31.) 
1900, p. 326, Pl. LI, fig. 332; B. setigera (Roth) C. A. Agardh var. punctulata 
Nordstedt 1888, p. 9; Tiffany 1928, p. 143, Pl. XVII, fig. 31. 
Dioecious, nannandrous, gynandrosporous; oogonia subdepressed 
globose, patent, below terminal setae or androsporangia, wall thickened, 
division median, narrow but distinct; division of suffultory cell superior; 
outer oospore wall scrobiculate; androsporangia epigynous, 1—?; dwarf 
males on oogonia, antheridia interior, stipe a little curved, shorter than 
the antheridium; vegetative cells 22—2666-104u; oogonia 64-68 x 
57-604; oospores 60-66%X53-58u4; androsporangia 18X11lu; dwarf 
males 11-12 30-34u. 
New Zealand. 
27. B. crassiuscula Nordstedt. 
(Pl. IV, figs. 28 and 29.) 
1877, p. 30, Pl. 3, figs. 14 and 15; B. setigera (Roth) C. A. Agardh in Moebius 
1894, p. 315; (?) B. ellipsospora West 1899, p. 54; Hirn 1900, p. 341, Pl. LV, fig. 352; 
Collins 1909, p. 271; Heering 1914, p. 236, fig. 368; Tiffany 1928, p. 148, Pl. XVII, 
figs. 28 and 29. 
Dioecious, nannandrous, idioandrosporous; oogonia depressed (sub- 
quadrangularly) globose, patent, below terminal setae or occasionally 
vegetative cells; division of suffultory cells superior (rarely submedian) ; 
outer oospore wall scrobiculate; androsporangia 1-4; dwarf males on 
oogonium or near it; antheridia interior, stipe slightly curved, shorter 
than antheridium; vegetative cells 22—2755-148u; oogonia 60-78 
<50-62u; oospores 58-76 X48-60u; antheridia 16-19X10-13y; dwarf 
males 12-14*30-34u. 
United States: Illinois, Massachusetts, Michigan; Canada, 
Greenland, Europe, Australia, Ceylon. 
28. B. crassa Pringsheim. 
(Pl. IV, fig. 32.) 
1855, Pl. 1, fig. 29; Wittrock 1874, p. 48; Hirn 1900, p. 343, Pl. LVI, fig. 355; 
Heering 1914, p. 238, fig. 370; Tiffany 1928, p. 148, Pl. XVII, fig. 32. 
Dioecious, nannandrous, gynandrosporous; oogonia subdepressed 
globose to globose, patent, below terminal setae or rarely vegetative 
cells; division of suffultory cell median or a little above; outer oospore 
wall scrobiculate; androsporangia scattered, up to 4-seriate; dwarf 
males a little longer than oogonia, antheridia exterior, unicellular, 
stipe about twice as long as antheridium; vegetative cells 22-26 K 44-60u; 
