274 BRYACEiE. [Dichelyma. 



144. J), capillaceum, var. suhidifoUum, Bruch & Schimp. 

 Bryol. Eur. t. 435, in part (j? 1, 2, 2a). 

 Hab. In valley rivulets, Pennsylvania and the Northwest; not rare. 



4. D. pallescens, Bruch & Schimp. Resembling the last 



in its long perichaBtium, but differing from it in its pale green 



color, the shorter and less divided stems, the shorter wider 



more complicate-carinate nearly entire and closely areolate 



leaves, the costa percurrent or vanishing below the apex, and 



the cilia simple, narrower, and not barred. — Bryol. Eur. under 



t. 436 ; Schimp. Corol. 97. I>. cctpillaceum, Myrin, 1. c. t. 7 ; 



Bryol. Eur. t. 435, excl. var. 



Hab. Rocky Mountains (Drummond); stagnant pools, New England 

 (IngraJiam) ; Pennsylvania and Nova Scotia (James). 



5. D. SUbulatum, Myrin, 1. c. Tufts long, pale, loose; 



stems slender, flaccid, pinnately divided into short open unequal 



branches : stem-leaves open, distant, loosely imbricated, slightly 



secund, lanceolate, plicate-concave, denticulate at the apex; 



costa narrow, vanishing below the apex ; pericha^tial leaves 



imbricate, long-lanceolate, ecostate, very entire : calyptra short, 



cucullate, covering the lid only : capsule oval, immersed ; lid 



convex, obliquely rostellate ; teeth short, lanceolate, split open, 



minutely pxmctulate, saffron color ; cilia thin, much longer than 



the teeth, nodose and appendiculate below, trabeculate and 



united at the apex only, smooth, reddish brown. — Bryol. Eur. 



t. 434. Fo7itmalis siihulata, Beauv. Prodr. 58. Neckera sicbu- 



lata^ Muell. Syn. ii. 145. 



Hab. Georgia {Beanvois)\ Louisiana (Brwnmond)', Arkansas (Engel- 

 mann). 



6. D. cylindricarpum, Aust. Stem-leaves lanceolate- 

 subulate, twisted, falcate, very entire or serrulate at the apex 

 only ; costa round, long-excurrent ; pericha^tial leaves somewhat 

 twisted, obtuse: capsule cylindrical, yellowish, exserted on a 

 pedicel two cm. long, somewhat irregular and slightly costate 

 when dry ; lid conical, acute ; teeth long, solid, opaque, pajiil- 

 lose ; cilia slightly longer, cancellate their whole length, pa] dl- 

 lose. — Coult. Bot. Gaz. ii. 111. 



Hab. Oregon [Mrs. Jessie lioy). 



The axithor compares it with 7). nncinatum, from which it is distin- 

 guished by the capsule twice as long and much longer pedicelled, the outer 

 peristome longer and papillose, the stem-leaves with the costa more dis- 

 tinctly excurrent into a narrower more acute terete point, etc. 



