284 BKYACE^. [Neckera. 



* * Ca^ysule exserted. 



8. N. pumila, Hedw. Dioecious: tufts soft, dark green; 

 secondary stems pinnately ramulose ; branches sliort or long- 

 flagellate : leaves ovate-oblong, abruptly acuminate or ajiiculate, 

 undulate-serrulate at the apex, inflexed on one side at base, 

 revolute on the other ; areolation minute ; inner perichaBtial 

 leaves long-sheathing : calyptra descending to below the orifice 

 of the narrowly ovate capsule : pedicel longer than the peri- 

 cliiBtium ; operculum conical, obliquely short-beaked; teeth 

 linear-lanceolate, densely articulate; segments abruptly nar- 

 rowed, filiform from a broad cariuate plicate base, shorter than 

 the teeth. — Muse. Frond, iii. 49, t. 20; Bryol. Eur. t. 442. 



Hab. Trunks of trees. Credited to North America by Bruch & 

 Schiinper, as collected by Dntmmond. We have seen no American speci- 

 mens. 



* * * Species known from sterile plants only. 



9. N. (Pilotrichum?) Floridana, Aust. Primary stem 

 creeping, with small ovate-lanceolate acuminate ecostate flat- 

 bordered leaves ; secondary stems somewhat compressed, erect 

 or pendent, strict or curved, simple or sparingly brandling 

 above, obtuse : leaves erect, open, imbricate, narrowly oblong- 

 lanceolate, deeply canaliculate or cymbiform, gradually acute, 

 plicate-striate above the middle, obsoletely papillose, broadly 

 revolute on the borders, entire or obsoletely serrulate, costate 

 to above the middle ; cells minute, linear, fusiform, the basilar 

 broader, quadrate, granulose at the angles. — Coult. Bot. Gaz. 

 iv. 152. 



IIab. On trees, Caloosa, Florida (J. Donnell Smith, Austin). 



10. N. (Orthostichella) Ludovicise, Muell. Plants 

 slender, sparingly pinnately divided into short branches in the 

 middle, simple and turgid at the ajiex : stem-leaves erect, open, 

 rounded at base, linear-cymbiform, long-acuminate, slightly den- 

 ticulate at the apex; alar cells minute, fawn-color; borders 

 erect; costa very thin, percurrent. — Regensb. Flora (1875), 

 Iviii. 92. 



Hab. Decayed tnmks; Louisiana, near Baton Eouge (Dr. Joor, 1874), 

 sterile. 



11. N. cymbifolia, Muell., 1. c. Growth and aspect of the 

 preceding : leaves closely imbricate, spirally five-ranked, oblong- 

 lanceolate, concave-cymbiform, gradually acuminate, plane at 



