282 BOTANICAL GAZETTE [OCTOBER 
cells, a single lateral branch, or a group of vertical hyphae. Using 
these characters as a fundamental basis for separation, the described 
species of bulbiferous fungi may be distinguished as follows: 
Hyphae with clamp connections 
Bulbils dark brown to black 
Bulbils 65-80 yw in diameter, chocolate brown. ...... Corticium alutaceum 
— 125-175 » in diameter, dark brown or black; margin even 
Premorinim toteriaey ek eke ee Papulospora anomala 
Piemonte ie. Papulospora nigra 
Bulbils light yellow, 52-88 w in diameter; hyphae ae ropelike 
andinia crustosa 
gpa yellow, becoming orange, 100-250 » in diameter; hyphae formed 
UI oo a Papulospora aurantiaca 
tikes without clamp connections 
Bulbils colorless, pale yellow, or cream colored 
Bulbils cream colored, 30-35 » in diameter; parasitic on Geoglossum 
Papulospora candida 
Bulbils colorless or pale yellow, 79-100 pt in diameter, saprophytic 
Papulospora pallidula 
Bulbils steel gray, 21-36 » in diameter............... Papulospora cinerea 
—Bulbils black or smoke color ce 
Bulbils 75-100 » in diameter; margin even..........- Cubonia bulbifera 
Bulbils 200-300 p in diameter; margin a ..Papulospora pannosd 
Bulbils yellowish red to dark brown a 
‘Bulbils scanty; perithecia u inate present — 
hecee = with neck and lateral and terminal setae 
Melanospora cervicula 
_ Perithecia with papilla and terminal setae... .. . Melanospora papillate 
Bulbils abundant; perithecia — t 
Primordium intercalary 
ee ee cites] cells sag rence 
Papulospora immerso 
Bulbils straw color; central ols 10-20 pw in diameter 
Reser ‘ripe 
-Primordium one or more lateral branches 
oC 
oe 
"Cells of the bulb beteroencos; cortex definite ce tee 
_ Normally only - 
~ Cortex complete - - ae ne 
S —— pocumbent bulbil a sr-s0n in 
