Order IX. 
FUNGI. 
985 
Class II. Entophyt^. 
Sporidia naked, separate, ■without a receptacle. 
Division I, Stilbosporei. 
Entophytes growing upon dead plants. 
2491. Fusidium. Thallus plane, effused. Filaments short, branched. Sporidia fusiform, scattered. 
2492. Polythrincium. (See Notes.) 
2493. Stilbospora. Black, Receptacle O? or a pulverulent mass intermixed with naked sporidia, the whole 
bursting through the bark in the manner of a Stromatosphseria. 
2494. Sporidermium. (See Notes.) 
2495. Ncemospoj-a. Receptacle O. Spherules obvious, or somewhat obsolete, discharging sporulifcrous pulx' 
through the bark in the form of tendrils. 
Division II. Hypodermia. 
Parasites upon living plants. 
2496. Cylindrosporium. Very minute, parasitic on the surface of living leaves. Sporidia pellucid, cylin- 
drical, truncate, free, not divided. 
2497. Uredo. Epidermis of the leaf forming a pseudo-peridium. Sporidia l-celled, f'-ee, mostly globose. 
2498. Mcidium. Peridium membranaceous, bursting through the epidermis, and dehiscent at the apex, 
with a dentate or lacerate orifice. 
2599. Puccinia. Epidermis of the leaf forming a pseudo-peridium. Sporidia fixed by a pedicel, one or 
many-celled. 
Observations. 
and is homogeneous with the immature sporidia. The thallus is never flocculent. The organs of nutrition 
and reproduction are the same. 
Division II. Hypodermia. The genera of this division are furnished with a caliculus, which must not be 
confounded with the receptacle or thallus, &c. of other tribes, because it does not constitute part of the fungus, 
but is formed out of the epidermis of the plant on which the fungus grows. 
