549 
PI. cell. aph. 8. NEMATOMYCEiE. 
Fibres entangled, jointless, opake; 
granules formed of beadlike twigs ...... Racodium. 187. 
Fibres decumbent, stiff, opake, 
branched; twigs jointless, persistent .... Dematium. 188. 
Fibres decumbent, very slender, opake, 
branched; twigs jointless, deliquescent .... Byssus. 189. 
Fibres decumbent, jointed, pellucid, 
entangled into a pellicle Typhoderma. 190. 
Fibres decumbent, jointless, entangled 
into a leatherlike mass Xylostroma. 191. 
E. Trichodermideae. Thallus tubular, jointed, entangled 
into a globe covering the sporidia. 
Flocks branched ; sporidia globular Trichoderma. 192. 
F. Mucorideae. Thallus tuhdar ; sporce enclosed in a 
terminal , membranaceous , bladderlike sporidium. 
Thallus branched at bottom, simple at top ; 
spor. globose, solitary, terminal Thamnidium. 193. 
Thallus simple or branched ; 
spor. nearly globular Mucor. 194. 
Thallus simple or branched ; 
spor. globular, then inverted, bellshape. Ascophora. 195. 
Thallus simple, jointless, clublike ; 
spor. globular, projected Pilobolus. 196. 
G. Isarideae. Thallus tubular ; tubes united at bottom to 
form a simple or branched stroma, free at the other end. 
Stroma membranaceous, branched ; 
flocks simple ; spor. vanishing Ceratium. 197. 
Stroma cylindrical; 
flocks branched ; spor. globular, scattered ... Isaria. 198. 
Stroma simple, headed at top ; 
flocks pencilshape ; spor . scattered Coremium. 199. 
Stroma simple, threadlike; 
flocks entangled ; spor. globular, in heads 
Cephalotrichum. 200. 
H. Stilbideae. Thallus fibrous, entangled into a gelatinous 
stroma ; tip headlike, fleshy ; sporidia scattered . 
Stroma simple; head naked, soft Stilbum. 201. 
