244 



NATURAL HISTORY BULLETIN. 



b — Receptacle spoon-shaped, adnate with the stem, 

 c — Receptacle adnate on one side only 

 c — Receptacle adnate on both sides of stem, 

 d — Spores spherical .... 



d — Spores linear .... 



A — Receptacle knob-like, pileate, sharply distin- 

 guished from the stem, with a definite rind, 

 b — Spores elongate-elliptic, fusiform or needle- 

 shaped. 



c — Spores elongate-elliptic. 

 d — Receptacle gelatinous 

 d — Receptacle waxy .... 



c — Spores linear. 



d — Receptacle flesh}- ; pileus pileate, with 

 rind ...... 



d — Receptacle waxy; pileus cup-shaped 

 1) — Spores spherical . ... 



Hemiglossum 



X cole eta 

 Spat hit lai ia 



Leotia 

 Cudoniella 



Cudon ia 

 1 'ibrissea 

 Rcesleria 



HeEVEELACE.E 



A — Pileus hollow entirely or in the upper part only. 



The cavity of the pileus is a continuation of that 



of the stem. 



b — Upper surfare of the pileus marked by deep 



pits ....... Morchella 



b — Upper surface of the pileus marked by spiral 



folds ....... Gyromitra 



A — Pileus membranous, bell - shaped or ragged, 



attached to the stem at the central point only. 



b — Pileus bell-shaped .... Verpa 



b — Pileus flat, inverted almost pileate . . Cidaris 



b — Pileus lobed, wrapped around the stem . Helvetia 



Rhizinace^S 



A — Spores elliptical or fusiform. 



b — Receptacle flat, fleshy-membranous, spread out 

 or inverted. 



c — Under side smooth .... 

 c — L "nder side with root-like processes 

 1) — Receptacle fleshy upright columnar 

 A — Spores spherical ; receptacle roundish 



Psilopeziza 

 Rhizina 



( iiderwoodia 

 SphccrosoHia 



Pezizixe^E 



A — Receptacle free. Stroma entirely wanting or 

 consisting of a felt-like layer or a thin black 

 crust. 



b — Receptacle fleshy or waxy, rarely gelatinous ; 

 ends of paraphyses free. 



