38 EE JODO: GO mNtyACGsn ACE 
17. B. polyandria Cleve. 
(Pl. Il, figs. 11 and 12.) 
In Wittrock 1870, p. 140; B. polyandra Cleve in Wittrock 1874, p. 46; Hirn 1900, 
p. 3384, Pl. LIV, fig. 342; Collins 1909, p. 270; Heering 1914, p. 234, fig. 362; Tiffany 
1928, p. 140, Pl. XV, figs. 11 and 12; P. B. A. No. 1682. 
Dioecious, nannandrous, idioandrosporous; oogonia subdepressed- 
globose, patent, below terminal setae or vegetative ceils; division of 
suffultory cell superior (rarely submedian); outer oospore wall 
scrobiculate or nearly smooth; androsporangia to 10-seriate; dwarf 
males on oogonia, antheridia interior, stipe slightly curved, shorter than 
antheridia; vegetative cells 15-20*45-100u; oogonia 39-46 32—42u; 
oospores 37-44 30-40"; androsporangia 12-14X11—l5u: dwarf males 
8-9 X 23-26u. 
United States: Massachusetts, Florida; Brazil, Europe. 
17a. Form notabilis Hirn. — 
(Pl. II, fig. 13.) 
1900, p. 334, Pl. LIV, fig. 348; Tiffany 1928, p. 140, Pl. XV, fig. 13. 
Division of suffultory cell often supreme; vegetative cells 17-22 
X51-88u; oogonia 41-46X36-48u; oospores 39-44 34-41y; andro- 
sporangia 12—-14X12-15u; dwarf males 8-10 X23-25n. 
Great Britain. 
18. B. gigantea Pringsheim. 
(Pl. V, figs. 35 and 36.) 
1858, p. 71, Pl. 6, fig. 1; Wittrock 1874, p. 48; Hirn 1900, p. 347, Pl. LVII, fig. 
359; Collins 1909, p. 271; Heering 1914, p. 239, fig. 373; Tiffany 1926, p. 109, Pl. X, 
figs. 108-110; Tiffany 1928, p. 140, Pl. XVIII, figs. 35 and 36. 
Dioecious, nannandrous, idioandrosporous; oogonia subdepressed 
globese or rarely depressed oboviform-globose, patent, below terminal. 
setae, rarely below vegetative cells; division of suffultory cell slightly 
below median; outer wall of oospore reticulate-scrobiculate; andro- 
sporangia 1-5; dwarf males slightly longer than the oogonia on which 
they develop; antheridia interior; stipe about twice as long as antheridium, 
curved; vegetative cells 24-3250-112u; oogonia 60-70X50-58y; 
oospores 58-68 X48-56u; androsporangial cells 18-2010-14y; dwarf 
male stipe 10-13 28—45u; antheridial cell 13-14 20-380u. 
United States: Michigan, Florida, Iowa, Pennsylvania; 
Australia, Europe. 
19. B.diamesandria Nordstedt and Hirn. 
(Pl. II, fig. 16.) 
In Hirn 1900, p. 323, Pl. LI, fig. 329; Tiffany 1928, p. 140, Pl. XV, fig. 16. 
Dioecious, nannandrous, gynandrosporous; oogonia subdepressed- 
globose, erect, below terminal setae or vegetative cells; division of 
suffultory cell basal; oospore wall smooth; androsporangia scattered or 
subepigynous, 1—?; dwarf males on suffultory cells (rarely on oogonia), 
antheridia unicellular; vegetative cells 17-23 * 42-80; oogonia 48-54 X 
45-52u; oospores 45-53 X 43-50u; androsporangia 14-17 X 10-15; dwarf 
male stipe 11-13 15-21y; antheridia 10-12 X 14—18y. 
