154 THE OEDO:GONTACEAE 
(filament containing androsporangia curved); dwarf male broadly 
obovoid, unicellular, on oogonium; vegetative cell 16—-20*33-100y; 
oogonium 38-45 X 50-75y: oospore 36-42 47-60z; androsporangium 
16-20 X 13-25u; dwarf male 12-14 13-15uy. 
Australia. 
Cf. Oe. spectabile, above. : 
188. Oe. monile Berkeley and Harvey. 
(Pl. LVIU, figs. 564 and 565.) 
In Hooker 1860, p. 342, Pl. 196, fig. B; Wittr. 1874, p. 40; (?) Oe. birmanicum 
Wittr. in Moebius 1892, p. 430, fig. 9B; Hirn 1900, p. 229, Pl. XXXVIII and 
XX XIX, fig. 235. 
Dioecious, nannandrous; oogonium 1-8, subovoid or subglobose, 
operculate, division superior, very broad; oospore globose or subglobose, 
quite filling oogonium (except in length), spore wall of three layers: 
outer layer smooth, middle layer scrobiculate, inner layer smooth; 
vegetative cell sometimes capitellate; basal cell elongate; terminal cell 
obtuse; dwarf male a little curved, near oogonium, antheridium exterior, 
1—?; vegetative cell 9--1550-160u; suffultory cell 21-29X40-57y; 
oogonium 30-39 X30-56u; oospore 28-388 x 28-38u; dwarf male stipe 
9X 25u; antheridium 7X 7u. 
United States: Massachusetts, Michigan; Australia; Brazil: 
188a. Form borgei Hirn. 
(Pl. LVIII, fig. 567.) 
1900, p. 230, Pl. XX XIX, fig. 237. 
Vegetative cell 14-2045-100u; suffultory cell 35-38 45-74u; 
oogonium 40-5040-60u; oospore 39-4539-48u; dwarf male stipe 
13-14 x 36-40; antheridium 9-11 8-—10p. 
Australia. 
188b. Var. eminens Hirn. 
(Pl. LVITI, figs. 568 and 569.) 
1900, p. 231, Pl. XX XIX, fig. 238. 
Much larger; gynandrosporous, androsporangium subepigynous; 
dwarf male on suffultory cell, antheridium 1-2; vegetative cell 18-25 
65-150u; suffultory cell 38-4148-72u; oogonium 56-68% 55-74y; 
oospore 53-60 50-584; androsporangium 19-23 X 15-18u; dwarf male 
stipe 18-19 40-48; antheridium 10-13 12-14uy. 
Australia. 
188c. Form victoriense G. S. West. 
(Pl. LVIM, fig. 566. ) 
1909, p. 45, fig. 6 A and B. 
Dwarf male a little longer and more narrow, on suffultory cell; 
vegetative cell 12-14 60—96y; suffultory cell 27-28 X 68-83y; oogonium 
42-45 X42-52u; oospore 40-42 X 40-42u; dwarf male stipe 6-8 X38—-44u. 
Victoria, Africa. 
