Division II
Clavati.
CLASS XXIV.
Receptacle long, simple, or branched, with a tendency to a cylindrical form, not margined. Hymenium supcrior. Asci fixed.
Hymenium occupying the whole surface. Asci distinct. No distinct stem. 2379. Clavaria. Plant carnose, cylindrical, simple or branched. Hymenium smooth, occupying almost the whole surface, confluent with the stipes. 2380. Calocera. Plant branched or simple, cylindrical, homogeneous, corneous, gelatinous, viscid. Growing on wood. ** Hymenium only occupying the end. Asci long. Head separate from stem, simple. 2381. Geoglossum. Hymenium short, club-shaped, mostly compressed, stipitate. Stipes elongated, smooth or hairy. Plants black or dull green. 2382. Spatularia. Hymenium club-shaped, separate, compressed, running down the stipes on each side, bearing the asci at the upper end. 2383. Mitrula. Hymenium clavate, ovate, closely surrounding at the base the stipes, which is distinct. *** Hymenium only occupying the end. Asci obsolete. Head separate from stem. 2384. Typhula. Hymenium thin, subcylindrical, persistent, terminating the capillary stipes. **** Hymenium covering the whole surface, but bearing sporules at the end only, without asci. 2385. Pistillaria. Simple, contiguous, linear or clavate. Sporidia emerging at end. Class II. UTERINI v. ELVELLACEÆ.
Hymenium distinct, superior, margined. Receptacle urceolate or reflexed, always inferior. Division I. Mitrati.
Receptacle pileiform, bullate, never closed. Hymenium neither margined nor discoid. 2386. Morchella. Pileus lacunose, confluent with the stipes either at the margin or a little above it. Hymenium occupying the whole outer surface. 2387. Helvella. Pileus submembranaceous, irregular, smooth on each surface, deflexed at the sides. Hymenium occupying the whole outer surface. 2388, Verpa. Pileus conical-deflexed, equal. Hymenium smooth or rugose. 2389. Leotia. Pileus ovate-conical or orbicular, wholly occupied by the hymenium, the margin free, but closely embracing the stipes.