MOUSSES NOUVELLES 



DE 



L'AMÉRIQUE DU NORD, 



J>.\(t 



F. RENAULD et J. CARDOT 



III. 



Dicranella Langloisii. — Cespiles pallide vel lutcs- 

 eenti-virides. Caulis humilis, simplex, 4-7 mill. Iongus. 

 Folia uniformiter et sat dense disposita, madida erecto- 

 palula, sicca erecta, imbricata, e basi oblonga breviler 

 acuminata, parva, 3/4-I mill. longa, 1/4-1/3 mill. lata, 

 obtusa vel suboblusa, apice denliculata, margine uno 

 lalere valde revoluta, altero plana vel subreflexa, costa 

 valida, crassa, dorso rotundata, usque ad apicem producta, 

 cellulis basi rectangulis vel subreclangulis, brevibus, céleris 

 elongatis, 4-7 longioribus quam Ialioribus. Folia pericbae- 

 tialia longiora, longius acuminala, costa breviler excur- 

 renle. Capsula in pedicello purpureo, 5-7 mill. Iongo, 

 oblique erecta, oblonga, incurva, rubro-fusca, sieca deo- 

 perculata sub ore constricta, circa 1 mill. longa, 1/3-1/2 mill. 



10 



