10 
OHIO BIOLOGICAL SURVEY 
of from 6 to 10, the outer surface of each spore in the cluster being 
strongly warted, 10 to ISmmm. in diam. 
(Miami Valley—Morgan). 
2. B. capsulifera (Bull.) Berk. Sporangia gregarious, globose, 
1 to 1.5mm. in diam., light gray, sessile or sometimes stalked. Sporangium 
wall translucent, with little lime. Stalk, when present, membranous. Capil- 
litium similar to that of B. papaveracea. Spores dark brown, loosely 
adhering in groups of 8 to 20, spinulose, 11 to ISmmm. in diam. 
(Miami Valley—Morgan). 
3. B. utiicularis (Bull.) Berk. Sporangia clustered, ovoid or globose, 
0.5 to 1mm. in diam., cinereous or iridescent violet, sessile or stalked. 
Stalk, when present, membranous, straw colored, branching, reclining. 
Spores bright brown, loosely adhering in groups of from 6 to 10, sometimes 
separate, spinulose, 10 to 12mmm. in diam. 
(Miami Valley—Morgan). 
4. B. decipens Berk. Sporangia distinct, subglobose, 0.3 to 0.7mm. in 
diam., sessile, sometimes forming plasmodiocarps, yellowish. Sporangium 
wall rough containing yellow lime granules. Capillitium yellow, contain¬ 
ing much lime. Spores violet, separate, spinulose, 10 to 12mmm. in diam. 
Cuyahoga Co. (Miami Valley—Morgan). 
5. B. panicea (Fries) Rost. Sporangia distinct but often closely clus¬ 
tered, hemispherical, 0.5 to 1mm. in diam. cinereous, sessile. Sporangium 
wall translucent, roughened by lime collected into scale like masses. 
Capillitium dense, white, sometimes cohering at the base as a pseudo¬ 
columella. Spores violet brown, separate, minutely roughened, 10 to 
13mmm. in diam. 
Cuyahoga Co. (Miami Valley—Morgan). 
6. B. affinis Rost. Sporangia distinct, gregarious, subglobose, depressed 
above, flattened or umbilicate below, small, grayish white, stalked or 
sessile. Stalk when present furrowed, black below, and white above, or 
wholly black. Capillitium calcareous thruout, white with large branching 
nodes. Spores violet brown, minutely roughened, 12 to 15mmm. in diam. 
(Miami Valley—Morgan.) 
7. B. orbiculata Rex. Sporangia scattered, discoidal, 0.7mm. in diam. 
gray, stalked or sessile, sometimes plasmodiocarpous. Stalk black, fur¬ 
rowed, very short. Capillitium calcareous thruout, white, often more 
dense at the center of the sporangium. Spores violet brown, minutely 
roughened, 12 to 15mmm. in diam. 
This species is closely related to B. affinis but the sporangia of B. 
orbiculata are larger and more discoidal in shape. Erie Co., Hamilton Co., 
(Hamilton Co.—Lloyd Herbarium). (Miami Valley—Morgan). (Lorain 
Co.—Oberlin College Herbarium). 
