Neckera.] BFwYACE^. 283 



5. N. oligocarpa, Bmch & Scliimp, Moncecious : resem- 

 bling the last ; steins slender, pinnately branching, the branches 

 attenuate to the apex : leaves compressed, the anterior and pos- 

 terior distinctly cm'ved obliquely outward, lingulate, abruptly 

 acuminate, deeply undulate, serrate at the apex; cells short, 

 minute : male flowers very numerous ; i^erichnetium with few 

 leaves, the inner narrow and sheathing : calyptra large : capsule 

 small, ferruginous ; lid orange, conical-acute or short-beaked ; 

 teeth linear-lanceolate, closely articulate ; segments rudimentary. 

 — Bryol. Eur. t. 441. N. pennata^ var. tenera, Muell. Syn. 

 ii. 50. 



Hab. While Mountains, Enroll Dam, in Crawford Notch {James), fer- 

 tile; oh trees. New Mexico (Fendler), sterile. 



6. N. Douglasii, Hook. Dioecious: loosely cespitose ; sec- 

 ondary stems 10 to 20 cm. long, yellowish green, compressed, 

 pinnately divided ; branches long, simple, flexuous, attenuate at 

 the apex : stem-leaves close, oblong or lanceolate-acuminate, 

 sharply dentate, spinulose or serrulate at the apex, denticulate 

 at base, entire in the middle ; costa obsolete or none ; ])ericha3- 

 tial leaves ovate-lanceolate, acute, denticulate at the apex, the 

 inner sheathing : capsule half-exserted, narrowly ovate ; teeth 

 yellow, densely articulate ; segments as long and similar, split 

 open between the articulations. — Bot, Misc. i. 131, t. 35; 

 Sulliv. & Lesq. Muse, Bor.-Am. Exsicc. ed. 2, n. 394. 



Hac. Northwestern coast {Menzics, Douylas, Scouler); shaded rocks, 

 California (Bolander). 



7. N. COmplanata, ITueben. Dioecious : soft, pale green ; 

 secondary stems slender, curving down or pendent, divided into 

 short branchlets naiTowed to the apex or flagellate from the 

 apex and from the sides : leaves compressed, plane, smooth, 

 oblong-lingulate, abruptly apiculate, suhserrulate at the apex ; 

 upper areolation rhomboidal, the basilar linear; pericha?tium 

 subsessile, long-sheathing; vaginule hair}- : calyptra naked or 

 with a few hairs: capsule oval, on a slender .pedicel 3 or 4 

 times as long as the perichaetium ; lid narrowly oblique, rostrate ; 

 teeth long, narrow ; segments filiform from an enlarged base, 

 half as long as the teeth, — Muse. Germ. 576; Bryol. Eur. t. 

 444. ILipiwrn complanatum^ Linn. Spec. PI. 1123. Leslcea 

 complanata, Hedw. Spec. Muse. 231. 



Hab. On rocks; New Brunswick, New England, Alleghany Moun- 

 tains in Pennsylvania, etc. 



