150 TABULAR ARRANGEMENT 



219. Mycelium septate, byssoid. Sporangia thin and 

 brittle. Spores simple. Zasmidium, Fr. 



Order XXIV. — MUCORINI. 



Threads free, bearing sporangia. 



Genera. 



250. Sporangia collapsing and dependent. Fruit 



sometimes of two kinds. Ascopuora, Tode. 



251. Threads free. Sporangia at length bursting, not 



dependent. Mucor, Mich. 



252. Threads erect, terminated by a vesicle at first 



crystalline, at length indurated. 



Hybrophora, Tode. 



253. Vesicle delicate, perforated by the stem, filled 



with threads and globose spores. 



Endodromia, Berk. 



254. Stem dichotomous. Vesicles terminal, splitting 



horizontally. Spores simple, growing on the 

 columella. Sporodinia, Link. 



255. Threads with branches in whorls. Vesicles ter- 



minal, pierced by the threads. 



ACROSTALAGMUS, Corda. 



25G. Threads branched. Vesicles of separate branches 

 conjugating and forming a sporangium. 



SyZYGITES, Khrenb. 



257. Hypogrcous. Threads collected into a spongy 

 mass, vesicles globose. Ekdogonk. Link. 



