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.
249. O. saxatile. Brid. (O. anomalum, Bry. Brit., p. 177.) St. erect sparingly branched; l. narrow lanceolate sharply acuminate, nerve thick, areolæ narrow at base; caps. narrow sub-cylindrical, much exserted, with eight long striæ prominent when dry, and then with eight shorter alternating spurious ones just below the mouth; per. teeth in pairs; calyp. hairy. [Supp. Bry. Eur. fasc. I. II.]
Limestone walls and rocks. Spring.
