T917] HOTSON—BULBIFEROUS FUNGI 283 
Mycelium abundant, flocculent; bulbil rs5—21 be in 
diameter; iigieie: 1-celled. . . Papulospora par 
Cortex moomilete. . 2-5. 4, co Acrospeira mirabilis 
Normally more than one central cell 
Spiral in one plane; cortical cells spinulose 
Papulospora spinulosa 
Spiral normally in more than one plane; not spinulose; 
2-6 central cells 
Bulbils dark brown... 2. ........., hase coprophila 
Bulbile brick ved... 5 ok, Papulospora rubida 
Cells of bulbil homogeneous throughout 
Bulbils chocolate brown, 21-36m in diameter, producing 
Sporotrichum spores........... Papulospora sporotrichoides 
‘Bulbils straw color, 100-2 oe ree Papulospora byssina 
Primordium not spiral; bulbils large, fecaulan 100-750 p in diam- 
Os a Papulospora aspergilliformis 
Primordium two or more lateral branches forming a spherical aggre- 
gation of cells at the top... .............. _- Papulospora polyspora 
UNIVERSITY oF WASHINGTON 
SEATTLE, WASH. 
1. Bainter, G., Evolution du Papulospora aspergilliformis et étude de deux 
Ascodesmis no uveaux. Bull. Soc. Mycol. France 23:132. 1907. 
2. CosTANTIN, J., Note sur une Papulospora. Jour. Botanique 2:91. 1888. 
3- Donce, B. O., Artificial cultures of Ascobolus and Aleuria. “Mycologia 
4:218-221. ois. 2. 1912: 
, The Pi Papulospora question —— to Ascobolus. Science NS. 
: 4t:173. 1915. 
5- Fawcert, H. S., An important entomogenous fungus. "Mycologia 25164. 
IQIo. 
gc ter ul , Culture studies of fing) producing ‘bulbils and similar 
Proc. Amer. mene ian to bedi r2. 1912. 
oe 
+. Kies, 9 esache | einer Moh: 
_ Lab. Landwirt. Berlin 1: 76-83. 1865. 
8. bese amg ROSENBAUM, ne Sponospora 
-. homa tuberosa on n the Irish potato. Jour. Agric. R 
ior : 
9. Neces, F. Wo Uber Ureduciy Abalebs 
_ reaceen. lean Centralbl. ec oe 1914. 
