566. 9,GASTEROMYCER. —Placell. aph. 
K. Peridiwn leatherlike, double; the inner fixed ; sporidia 
floccular, conglomerated. Lycoperdex. 
Perid. outer warty, rooting; 
spor. collected in heaps.....2.ee++» SCLERODERMA. 227. 
Perid. outer warty, rootless ; 
spor. collected in heaps...+...+.++++- HyPoGEUM. 228. 
Perid. outer adnate, splitting in lobes; 
spor. pedicelled ......... wey. 0 cetgecenes, DOVISTA. 229. 
Perid. outer, falling off like bran; 
spor. scattered, crowded......+++++.. LYCOPERDON. 230. 
Perid. outer leatherlike, stellate; 
inner one-pedicelled or sessile; 
mouth 1; spor. pedicelled ......+++.+e0 GEASTRUM. 231. 
Perid. outer leatherlike, stellate ; 
inner many-pedicelled; mouths 
many; spor. pedicelled, from the first.... Poxystoma. 232, 
L. Peridium single, leatherlike, mouth cartilaginous, cir- 
cular ; sporidia conglobated. 'Tulostomidez. 
Peridium globular ......++.seee+++ LULOSTOMA. 233. 
M. Peridium single, thin, membranaceous, containing pe- 
ridiola, filled with sporidia. Polyangideze. i 
Peridiola ovate .s.e+++ssseeeeeee+ POLYANGIUM, 234. 
N. Peridium thick, leatherlike, containing peridiola filled 
with sporidia. Cyathidee. 
Peridium cuplike,open .....+....++.+ CYATHUS. 235. 
A. SpumaripE®. Peridiwm single or double, sessile, 
spread out irregularly, becoming fibrous or skinny, inside: 
smooth or lamellar, membranaceous; columella 0; sporidia 
numerous, scattered or placed in lines between the lamine. 
—Plant at first liquid, afterwards powdery. 
TI. 202. EUROTIUM. Link. Purse-mould. 
_ Peridia membranaceous, nearly globular, innate on a 
jointed stroma. 
Eurotium herbariorum. Herbarist purse-mould. 
Peridia dotlike, yellow; stroma whitish. 
