HELVELLACEAE 9i 



Subfamily Rhizinae 



Apothecia sessile, flat, arched or irregularly globose 



I. Spores globose Sphaerosoma R. 1140, 8: 56 



II. Spores elliptic or fusoid 



1. Spores elliptic, rounded at ends Psilopezia R. ii37. 8:152 



(incl. Peltidium 18: 11) 



2. Spores fusoid, pointed at the thickened ends 



Rhizina R. 1138, 8:57 



Subfamily Helvellae 



Apothecia stalked, cap- or saddle-shaped, or columnar 



I. Hymeniura ridged in both directions 



1. Ridged cap stalked Morchella R. 1200, 8:8 



2. Ridged cap sessile Underwoodia 10: i 



II. Hymenium smooth, convolute or ridged longitudinally 



1. Hymenium saddle-like, more or less lobed 



Helvella R. 1179, 8: 17 



2. Hymenium globoid, convolute Gyromitra R. 1189, 8: 15 



3. Hymenium cap- or bell-shaped, smooth or ridged 



Verpa R. 1195, 8:29 



Subfamily Geoglossae 



Apothecia stalked, clavate or capitate 



I. Hymenium distinct from stem, disciform or capitate 



1. Spores i-celled *Haplocybe R. 1168 



(incl. Moellerodiscus 18:8) 



2. Spores 2-4-celled 



a. Apothecia gelatinous Leotia R. 1164, 8:6og 



b. Apothecia waxy or fleshy-waxy Cudoniella R. ii65, 8: 41 



3. Spores filiform or acicular 



a. Apothecia fleshy, cap-shaped with involute margin 



Cudonia R. 1169, 8: 527 

 (Leotiella 16: 700) 



b. Apothecia waxy, button-shaped, solid Vibrissea R. 1170, 8:51 



II. Hymenium club-shaped, not distinct from stem or but slightly so 



1. Spores hyaline 



a. Spores i-celled 



(i) Spores globose Neolecta 8: 40 



(2) Spores elliptic Mitrula R. 1146, 8:32 



(Spragueola 14: 742) 



b. Spores 2-4-celled, fusoid 



(i) Hymenium covering the whole club 



Microglossum R. 1151, 8: 39 

 (2) Hymenium on one side only Hemiglossum 10: 2 



c. Spores more or less filiform Spathularia R. 1158, 8:48 



(incl. Mitruliopsis 18:10) 



2. Spores brown, clavate or cylindric, many-celled 



Geoglossum R. 1153, 8:42 



