Mnium.] BRYACE^. 047 



branchlets densely foliate, flagelliiorm : lower leaves small and 

 distant, squamiform, oblong, obtuse, entire, scariose, the upper 

 and comal abruptly larger, spreading oj^en, crispate when dry, 

 ovate or oblong-acuminate, sj^atulate ; perichietial leaves nar- 

 rower, shortly cuspidate by the excurrent brown costa, margin 

 purplish brown ; teeth spiniforin : male plants mixed Avith the 

 fertile or in separate tufts : cai^sules clustered (1 to 5), ovate- 

 oblong, solid, horizontal or inclined on a reddish pedicel ; lid 

 conical, obtusely beaked. — Suppl. i. 2. 130, t. 78 ; Bryol. Eur. 

 t. 393. Hryum spinosiwi, Voit in Sturm, Deutschl. Fl. ii. t. 



Hab. Under low pendent branches of pines, in middle districts of the 

 Rocky Mountains {Downie); very rare. 



A beautiful species, easily distinguishable by its dark green foliage, the 

 leaves abruptly longer at the top of the stem, and the male flowers 

 rosulate. 



15. M. spinulosum, Bruch & Schimp. Sj-noecious: re- 

 sembling the last ; plants less robust, bright or yellowish green : 

 leaves broader, longer-decurrent at base, more abruptly enlarged, 

 obovate-oblong, less crispate when dry, a])iculate by the excurrent 

 costa; margin reddish ; outer perichsetial leaves narrowly acumi- 

 nate-lyrate, the inner very small, lanceolate : capsules generally 

 clustered (2 to 6), smaller and shorter, mostly pendent or more 

 inclined, thin, greenish yellow when ripe, yellowish brown when 

 empty; lid narrower, conical, short-beaked, orange-colored. — 

 Bryoi. Eur. t. 394. 



Hab. Pine woods in the mountains; not rare. 



This species is very rare in Europe, while the preceding is quite com- 

 mon in the .Jurassic or subalpine region. It is the reverse for the distri- 

 bution of these two species in North America. 



* * * Leaves without margins, serrate or entire. 

 •h- Lid highly convex., obtuse or apiculate. 



16. M. Stellare, Reichard. Dioecious : sub-cespitose, pale 

 green : leaves soft, gradually larger up to the apex of the stems, 

 open, erect, slightly decurrent, oblong and long elliptical-acumi- 

 nate, the lower nearly entire, the up]ier simply and irregularly 

 dentate ; perichatial leaves longer and narrower; costa slender, 

 vanishing abruptly below the apex : capsule solitary, horizontally 

 inclined, ovate-oblong, nearly regular, soft; lid orange, convex, 

 obtuse. — Hedw. Spec. Muse. 191, t. 45; Bryol. Eur. t. 401. 

 M. Blyttii, Bruch & Schimp. Bryol. Eur. t. 400 ; Lindb. Mniac. 

 Eur. 54. 



