THE SLIME MOLDS OF OHIO 
33 
threads uniting at the boundary of the sporangia to form many chambered 
vesicles. Spores purple, minutely roughened, 9 to 12mmm. in diam. 
While this species may be looked for in Ohio the writer is not aware 
of its having been reported for the state. 
ORDER 3. LICEALES 
Sporangia distinct or combined into aethalia. Lime not present. 
Capillitium wanting or imperfect. Spores generally yellowish in color, 
never black. 
FAMILY 5. LICEACEAE 
Sporangia distinct or plasmodiocarpous, sessile or stalked. Sporan¬ 
gium wall without definite thickenings. Capillitium and columella absent. 
KEY TO THE GENERA OF LICEACEAE. 
A. Sporangia sessile; lid not present. 
A. Sporangia stalked; lid present. 
1. LICEA Schrader. 
Licea biforis Morgan. Plate VI, Figs. 7 and 7a. 
Sporangia sessile, distinct or plasmodiocarpous. Sporangium wall 
single. Capillitium and columella absent. Spores range in color from 
brown to nearly colorless. 
A. Dehiscence of sporangia irregular. 1. L. flexuosa 
A. Dehiscence of sporangia regular. 
B. Sporangia dehiscing into two lobes. 2. L. biforis 
B. Sporangia dehiscing into several lobes. 3. L. pusilla 
1. L. flexuosa Pers. Sporangia scattered, depressed, or forming 
straight, curved, or branching plasmodiocarps 1 to 6mm. long, brown. 
Sporangium wall cartilaginous, translucent, brown, usually with a closely 
adhering rough outer layer of opaque refuse matter; dehiscing irregularly. 
Spores olive brown, spinulose, 11 to 14mmm. in diam. 
(Miami Valley—Morgan), (Ohio—Macbride). 
2. L. biforis Morgan. Sporangia scattered, ellipsoid or elongated, very 
small, 0.1mm. broad, yellow brown, sessile, dehiscing into two lobes. 
Sporangium wall membranous, minutely papillose. Spores almost colorless 
smooth, globose or ovoid. 9 to 12mmm. in diam. 
(Miami Valley—Morgan), (Ohio—Macbride.) Probably frequently 
overlooked as the sporangia are so small that their detection is difficult 
without the use of a hand lens. 
3. L. pusilla Schrader. Sporangia scattered, depressed globose, 0.6 to 
to 1mm. in diam., dark brown, dehiscing into several irregular lobes. 
Spores olive brown, minutely warted, 16 to 20mmm. in diam. 
(Miami Valley—Morgan). 
1. Licea 
2. Orcadella 
3 O B S 
