llrpaficd' of Xortli Aiticrica. ()7 



\^((i: Californica Aust. MS. Durk or brownish red; stems 

 somewhat irregularly branched; leaves obliquely ovate, obtuse 

 or acuminate-apiculate, convex, decurved, with sometimes a few 

 firmer and deeper colored but not enlarged cells scattered or in 

 an oblique central row; aniphigastria obovate, emarginate, flat 

 or with recurved margins toward the apex; involucral leaves 

 often connate with the amphigastria to the sinus, the lobes 

 entire, obtuse or acute, the lower often narrow, channeled and 

 somewhat contorted, with one or more hairs on the margin 

 near the base; inner involucre oblong, triquetrous, strongly 

 keeled below, the mouth usually emarginate. (F. Nisqiialh'nsis 

 Aust. Hep. Bor.-Araer. No. 108, not of Sulliv., F.tamarisci ( ?) 

 of Bolander's Cat., F. xnciffoi-a var. Cal/foni/ca, Gottsche MS. 

 (?) of Bolander's Cat.) 



Hab. — On rocks and on the bark of spruce and larch trees; comrwon 

 in the Atlantic States; the rar. on rocks near San Francisco, Cal. (Bolan- 

 der) and along the coast. 



Bib. — Syn. Hep. j). 441 (sub F. Amgrayana). 



DfZm.— Sulliv. Mosses U. S. t. VII. 



Exsic.—^lxxfic. Alleghan. No. 266; Hep. Bor.-Amer. No. 107, 108. 



XX Leares ohloinj from a iKirroircd base. 



17. F. fraligifolia Tayl. Stems procumbent, subpin- 

 nate, the branches flattened, alternate, somewhat remote; 

 leaves subimbricate, ascending, oblong-rotund from a nar- 

 rowed base, recurved, entire, marked with a moniliform line, 

 the auricle oblong-galeate; amphigastria obovate-rotund, plane, 

 appressed, bifid at the apex, entire or angulate at the margins; 

 inner involucre obovate-cordate, concave dorsally, unicarinate 

 ventrally, smooth; involucral leaves subequilobed, obtusely 

 few toothed. {F. polijsticfd Mont., F. Snllirantia' Aust.) 



Hab. — On trees in cedar swamp near Urbana, O. {SaUivaiLf) . (Eu.) 

 Bib.— Syn. Hep. p. 437; Hep. Europ. p. 28; Torrey Bull. Ill, 16; 

 VI, 306. 



ff Tc.rfKrc (if the leaves mi/fonii. 

 X Aiitp/i/(/((.sfri(t (/oi(hfe the ir'uUli of tJic stem. 



18. F. Donnellii Aust. Moncjecious, reddish, very 

 small; stems with long Idack hairs interwoven, usually ])in- 

 natelv or somewhat clustered brancliiui;-: h'aves ovate-rotund, 



