Musci. (mosses.) (13) 613 



Mountain, N. Carolina ; near Mobile, Alabama. — A small species, with foliage 

 mostly of a pale brownish or yellowish hue, resembling S. molluscum, but that 

 has a cross-section of the leaf like No. 15 and 16. 



14. S. molle, Sulliv. Densely CEespitose ; stems 2' - 3' high, fragile, con- 

 cealed by the crowded and short patent branches ; branch-leaves oblong, ovate- 

 acuminate, recurved-spreading ; perichsetial leaves orbicular-ovate. — Mountains 

 of N. CaroUna, Gray : Tallulah Falls, Georgia, Lesquereux. — Has remarkably 

 soft whitish foliage. 



* * * # Ducts triangular, situated between the rotund utricles next the convex surface 



of the leaf. 



15. S. cuspida-tuiu, Ehrh. Monoecious; stems 6' -10' long; fascicles 

 of 4 - 5 deflexed branches distant ; stem-leaves lanceolate-acuminate, recurved- 

 patent, when dry flattened and undulate on the margins (the best distinctive 

 mark of the species) ; perichastial leaves broad-ovate, acute. — Var. eectJiivt7m, 

 leaves oblong-lanceolate, when dry much recurved. — Var. plt7m6sum, growing 

 in water, more elongated and attenuated in all its parts. — Not uncommon ; New 

 England to Louisiana. Foliage pale green or yellowish-white. (Eu.) 



16. S. TorreyaMUin, Sulliv. Stem stiff, a foot or more in length; 

 branches 4-5 in a fascicle, 12" -15" long, 2" -3" wide, flat, linear-lanceolate; 

 leaves elongated-lanceolate, spreading, straight, broadly margined, erose-dentate 

 at the apex; fruit unknown. — Ponds and slow-flowing streams; pine barrens 

 of New Jersey, Torrey. — A large robust species : foliage drab-colored, of a firm 

 texture. 



Suborder U. AlVDR^ACEiE. 



2. ANDRJEA, Ehrh. (Tab. I.) 



Calyptra mitriform. Operculum none. Capsule oblong-oval, dehiscing by 

 four longitudinal fissures, and sessile upon the pedicellate vaginula. Inflores- 

 cence monoecious or dioecious. — Small alpine or subalpine mosses, of a dark 

 brownish or blackish coloi', growing on rocks ; stems ascending, rigid, dichoto- 

 mously divided ; leaves with or without a costa, of a firm texture, the areolation 

 above angular-rotund and small ; below oblong and large. — (A personal 

 name.) 



1. A. petrdptlila, Ehrh. Monoecious; stems 4" -10" long, filiform, 

 leafless below ; leaves ovate- and oblong-lanceolate, concave, spreading-incurved 

 from an erect base, without a costa, papillose on the back, the point oblique, 

 often with a hyaline crenulate margin. (A. rupestris, Hedw. ) — High moun- 

 tains; a variable species. (Eu.) 



2. A. rupestris, Turner. Monoecious ; leaves spreading or secund from 

 an ovate base, linear-lanceolate, smooth, concave ; costa continuous. (A. Eothii, 

 Weh. Sj- Jio/ir.) — White Mts., New Hampshire, Oakes. (Tab. I.) (Eu.) 



3. A. crassinervia, Bruch. Monoecious ; near the last, but the leaves 

 are shining, falcate-secund, subulate from an oblong base, cuspidate by the large, 

 terete, excurrent costa, which is papillose at the point. — With No. 2. (Eu.) 



52 



