DUSEN 1 PATAGONIAN AND FUEGIAN MOSSES. 



6 7 



vel ob innovationem pseudolateralis, gemmaceus; bracteae e basi lata 

 ovalique sat subito contractae, longe capillari-attenuatae ; paraphyses 

 numerosi, filiformes, flavi. 



Hab. Patagonia australis, ubi species verisimiliter in territorio fontinali 

 fluminis Rio Chico lecta est. 



Allied to Anisotheciuni rufipes (C. Mull.) ; differing from that species 

 by the much broader basal part of its leaves, being shorter subulate and 

 quite entire (not crenulate) ; by the absence of apophysis, and by its 

 much shorter rostrate lid. 



Subfam. DICRANE^E. 



Gen. DICRANOWEISIA Lindl. 



DICRANOWEISIA PERPULVINATA Dusen n. sp. 



PI. VII, Figs. 3, 4. 



Autoica; densissime pulvinatim caespitosa, caespitibus usque ad 6 cm. 

 latis, lutescente viridibus, inferne fuscis ; caulis sat dense ramosus, apice 

 innovando ramulosus, usque ad 1.5 cm. altus, infima basi solummodo 

 radiculosis ; folia sicca crispata, humida stricta vel leviter curvata, sub- 

 erecta, e basi amplexicauli, subdecurrente et fere lineari subulate elongata, 

 usque ad 3.6 mm. longa, canaliculata, integerrima, nervo basi 0.05 mm. 

 crasso, infra summum apicem desinente ; cellules basales elongate rectan- 

 gulae, alares paucae, amplae, quadratae vel subquadratae, omnino hyalinae, 



FIG. 2. 



<* bed 



Dicranoweisia perpulvinata Dusen. a, b, folia, * ; c, capsula vetusta humiditate, ; d, capsula 

 calyptrata humiditate, -. 



ceterae rotundate quadratic, 0.008-0.010 mm. magnae, vel papillosae, pari- 

 etibus incrassatis ; bmctece pericJuztii exteriores foliis caulinis similes, inte- 



