356 . BRYACE^. [Ilypnum. 



Var. Marylandicum. Moi-e robust, green ; branches sub- 

 cuspidate at the apex : leaves broadly ovate-acuminate, with 

 borders erect : pedicel much stouter ; capsule oblong, sub- 

 cernuous, contracted at the orifice. — IT. deinissum, var., SuUiv. 

 Muse. Allegh. n. 49; Sulliv. & Lesq. 1. c, n. 298"=- II. 3Iary- 

 IwicUcum, Muell. 1. c. 328. 



Har. Wot rocks in the mountains, and borders of streams, in the 

 Southern States; sometimes immersed. 



81. H. NovS6-Cesare89, Austin. Dioecious: in glossy- 

 yellow fiat patches ; stems ])rostrate, slender, filiform, with few 

 short simple suberect branches : lower leaves spreading, the 

 upper oppressed and subsecund, roundish-apiculate, concave, ser- 

 rulate, obscurely two-nerved at base, the margins slightly 

 reflexed below: fruit unknown. — Muse. Appal, n. 440. II. 

 tnicans, Wils. in Hook. Brit. Fl. ii. 8G, not Swartz. Chryso- 

 bryum micwis., Lindb. ; Sulliv. Icon. Muse. Suppl. 91, t. 67. 

 RUynchostecjiunx JSfovce- Cesar ece., Austin in Coult. Bot. Gaz. 

 i. 30. 



Haij. On roclvs subject to inundation, in mountain rivulets; Sliawan- 

 guiilc Mountain, New Jersey \Aaist[n)\ Alleghany Mountains, Pennsyl- 

 vania ( WoUe, liaii). 



82. H. recurvans, Schwaegr. Dicecious: in wide de- 

 pressed pale green or yellowish brown tufts; stems prostrate, 

 reddish, pinnately and densely ramulose ; brancblets piano-fol- 

 iate : leaves close, imbricate, secund, thin, soft, pale, concave, 

 ovate-lanceolate, filiform-actuninate, serrulate at the apex, nar- 

 rowly recurved, obsoletely bicostate ; cells of the basal angles 

 dirty yellow ; peric'uetial leaves gradually long-acuminate, serru- 

 late at the apex : capsule short, turgid, oblong, inclined, slightly 

 incurved, exannulate ; operculum more or less long-rostrate from 

 a conical base; teeth and segments large ; cilia two, stout, nearly 

 as long. — Suppl. i. 2. 289, and ii. 1. 108, t. 146; Sulliv. Mosses 

 of U. States, 71, and Icon, Muse. 177, t. 3. Leshea recurvans, 

 and L. sqicarrosa, Michx. Fl. Bor.-Am. ii. 311, 312. 



ITar. On trees and decayed logs in mountain districts; very common, 

 and variable in size. 



83. H. cylindricarpum, Muell. Dioecious: in flat broad 

 intricate mats, green passing to dirty yellow; stems slender, 

 creeping, with few branches, pinnately ramulose ; branchleta 

 slender : leaves compressed, two-ranked, or falcate-secund, nar- 

 rowly oblong-lanceolate, acuminate, concave, sharply serrate at 



