gow NEW MUSCI AND HEPATIC. 
tome too, twisted or inflexed when dry, are very remark- 
able. 
Dicranum, Hedw. 
1. D. Jamesoni, Tayl. Caule laxe cæspitoso, erecto, subdi- 
chotomo ; foliis laxis, basi patentibus apice erectiusculis, 
ex lata basi subulato-setaceis, subserrulatis, nervo per- 
cursis, siccitate flexuosis; pedicellis demum axillaribus, 
subflexuosis; capsula ovata, inæquali, curvato-inclinata, 
levi; operculo longirostro, rostro incurvo.—On Pichincha ; 
Prof. W. Jameson. Nov. 1846. 
Tufts more than one inch high, yellowish-green. Leaves . 
with an oblong or square, concave, but not closely sheathing; 
- base; the upper part setaceous, entirely occupied by the 
nerve, which is there more expanded than at the base; the 
. margin minutely serrulate by its projecting cells. Pedicel 
= with an incrassated summit. Calyptra dimidiate. Pens — 
tome of 16 bifid, sometimes trifid teeth with unequal 
segments. In Dicranum vaginatum, Hook., the shoots are - 
more slender, the dry leaves more adpressed, their setaceous - 
tops shorter, straighter, more rigid and quite entire, their = 
. bases more closely embracing, while the capsule is more erect = 
and more equal. E 
x | ~- Tortura, Hedw. EE 
. T. Quitoensis, Tayl. Caulibus brevibus aggregatis, inno- - 
tibus ramosis; foliis erecto-patentibus, ex angus iom 
asi elongate obovatis, apiculatis, unine 
1s, grosse cellulosis, tenellis ; operculo 
'apsula erecta, cylindrica, subcurvula; 
Near Quito ; Prof. W. J 
long, their cells round; when moistened the leave 
. Peristome about one-fourth the length of the ca 
m 
