282 BRYACEiE. [Neckera. 



beaked; teeth and segments nodulose, punctiilate, free to the 

 base. — Muse. Frond, iii. 51, t. 21. Pilotrichum undidatimi^ 

 Beauv. ; MuelL Syn. ii. 147. 



Hab. On trees, Florida (D. B. Smith, J. Donnell Smith, Austin). 



3. N. Menziesii, Drumm. Dioecious: j^lants large and 

 loosely cespitose, yellowish green, dark yellow when old ; pri- 

 mary stems creeping, slender, naked; the secondary 15 to 20 cm. 

 long, flat, piimately divided ; branches open, flat, short, attenu- 

 ated, often flagelliform at the apex, sometimes covered with 

 longj lateral filiform flawelloe : stem-leaves undulate above the 

 middle, not auriculate at base, oblong. Ungulate, obtuse at 

 the slightly apiculate apex and minutely denticulate, concave, 

 revolute at base on one side ; costa slender, vanishing above the 

 middle; ])cricha3tial leaves enlarged in the middle, tapering 

 upward into a long denticulate acumen : fertile flowers on the 

 secondary stems, pedunculate, exserted, the male very numerous 

 along the primary stenis or at the base of the branches : capsule 

 immersed, oblong-oval, pale brown, red at the orifice ; lid conical, 

 short-beaked, acute and inclined; teeth narrowly lanceolate, 

 distinctly nodose-articulate, with a pellucid border; segments 

 solid, as long as the teeth, split between the articulations ; cilia 

 none. — Muse. Amer. n. 1G2; Lesq. Proc. Calif. Acad. i. 28, de- 

 scribing flowers and fruit Sulliv. Icon. Muse. Suppl. 83, t. 62. 



Hab. Eocky Mountains (Drnmmond), sterile; roots of trees, California 

 (Bolandcr), fertile; Oregon {E. Hall); Fort Colville {Lyall); Spokan 

 Falls, etc. ( Watmn). 



4. N. pennata, Hedw% Monoecious: the secondary stems 

 pinnately branching or nearly simple, erect: leaves ovate or 

 oblong, lanceolate, short-acuminate, slightly unequal at base, 

 entii-e or slightly serrulate from the middle upward; costa 

 marked at base A\'ith a short bipartite yellowish line, transversely 

 3-5-wriukled ; areolation linear, very small ; inner pericha3tial 

 leaves half-sheathing, long-lanceolate, surpassing the capsule by 

 the acuminate apex, entire ; vaginule hairy : calyptra small, 

 Avhitish, covering only the operculum, which is conical-acnte 

 or short-beaked, inclined: capsule oval-oblong, dirty yellow, 

 becoming brown by age, thin-walled ; teeth linear-subulate from 

 a narrowly lanceolate base, cohering at the apex, densely articu- 

 late, irregularly divided, ]-»ale yellow; segments rudimentary. — 

 Muse. Frond, iii. 47, t. 19 ; Bryol. Eur. t. 440. 



Hab. Trunks of trees ; very common in mountainous districts. 



