MUSCI. (MOSSES.) 613 



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

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

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



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

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

 acuminate, recurved-spreading ; perichatial leaves orbicular-ovate. Mountains 

 of N. Carolina, Gray : Tallulah Falls, Georgia, Lescjuereujr. Has remarkably 

 soft whitish foliage. 



* * * * Duels triangular, situated between the rotund utricles next the convex surface 



of the leaf. 



15. S. Clispidfitliiai, 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) ; perichtetial leaves broad-ovate, acute. Var. KECURVUJI, 

 leaves oblong-lanceolate, when dry much recurved. Var. PLUM6SCM, 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. Torreyanilin, 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 H. 



2. ANDREA, Ehrh. (Tab. 15.) 



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 color, growing on rocks ; stems ascending, rigid, dichoto- 

 mouslv divided ; leaves with or without a costa, of a firm texture, the areolatioc 

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

 name.) 



1. A. petropllila, 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 crcnulate 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. Rothii, 

 Web. fr Mohr.) White Mts., New Hampshire, Oakes. (Tab. 15.) (Eu.) 



3. A. crassinervia, Bruch. Monoecious ; near the la-st, 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 



