Walls, trees, and palings. IV.

3. Caps. without furrows.

247. O. leiocarpum. B. & S. St. 1–3in. tufted, branched; l. spreading, lanceolate, pointed, margin strongly revolute; caps. large pale brown, obovate, perfectly smooth and not contracted at mouth when dry, scarcely exserted; calyp. hairy, sometimes naked; perist. 16 teeth and 16 erose cilia.

Trees. IV. V.

[N.B.—Notwithstanding the note in Lin. Soc. Jour., vol. XI. p. 465, I retain the name leiocarpum instead of striatum, as all the species in this section have a striate calyptra.]

B. Caps. on a long seta, much exserted.

1. Calyp. naked.

248. O. pulchellum. Sm. St. ¼in. tufted; l. spreading, soft, crisped when dry, linear-lanceolate bluntish, margin recurved; caps. pale, oval, with eight reddish striæ; perist. 16 reddish teeth in pairs, and 16 cilia; calyp. pale, without hairs, purplish at tip.

Trunks of trees. V.

2. Calyp. very hairy, furrowed; ochrea indistinct; l. dilated at base, and crisped when dry.