

m u s c i. 83 



Tribe 21. HOOKERIiE. 



1. HOLOBLEPHARUM, Doz. & Molkb. 



1. Holoblepharum Taitensis, SulHv. (Tab. 23.) 



H. dioicum, caule repente pinnato ; foliis laxe bifariis ellipticis acumi- 

 natis cymbiformi-concavis breviter bicostellatis sub apice undulato-con- 

 strictis lineari-areolatis papdhdosis, rnarginibus reflexis serratis, peri- 

 chcetialibus plicatis ciliato-dentatis superne dorso papillosis ; capsula 

 erectiuscula cylindraceo-oblonga subincequali, operculo huge aciculari- 

 rostrato, pedicetto breviusculo superne tuberculoso, calyptra elongate- 

 conico-mitrifornii pilosa basi fimbriata, fimbriis loriformibus dentieu- 

 latis. 



Hooheria Taitensis, Sulliv. in Proceed. Amer. Acad. Art. Sci. Jan. 1854. 



Hab. Mountains of Tahiti, Society Islands. 



Stem mostly simple, 3 to 4 inches long, creeping, closely adhering 

 by rootlets along its entire length, simply pinnate ; branches 4 to 6 

 lines long, crowded, obtuse. Leaves loosely and bifariously placed, 

 spreading, elliptical, short-acuminate, concave, slightly striate, undu- 

 late-constricted below the point, serrulate, shortly bicostate, subpel- 

 lucid, yellowish-green, shining; areolation of minute linear papillu- 

 lose cellules, those at the point broader and shorter. Perichaetial 

 leaves erect, oblong, lanceolate, plicate, ciliate-dentate, very strongly 

 papillose on the back. Vaginula oblong, without paraphyses; 

 attached to its upper end are a few strap-shaped processes like the 

 fimbrias on the base of the calyptra. Capsula oblong-cylindrical, 

 with an oblique mouth, gradually tapering into an erect pedicel, 

 which is muriculate on its upper half only, and springs from the 

 lower part of the branches. Teeth of the exterior peristome linear- 

 lanceolate, attenuated, very closely articulated, with a narrow median 

 line, prominently lamellose on the interior face ; cilia of the inner 



