450 
Ed. No. 54, in Sulliv. & Lesq. Musci Bor. Am. No. 67, and Aus- 
tin Musci App. No. 79. 
DicRANELLA HETEROMALLA ORTHOCARPA (Hedw.). 
Dicranum orthocarpum Hedw. Sp. Musc. 131. p/. 30. 1801. 
Dicranella Fitageraldi Ren. & Card. Bot. Gaz. 13: 197. pl. 13. 
1888. 
This variety is not recognized as distinct by Limpricht, but is 
given as a synonym of the species, into which it merges insensi- 
bly, having the same range. The type locality was at Lancaster, 
Pennsylvania, but we have not seen the type specimens. The 
capsule, as the name implies, is not only erect but straight, in the 
most depauperate forms being so small and black as to suggest 
Ditrichum tortile. This is true of the specimens distributed in 
Drummond’s Southern Mosses as No. 53, and in the original 
specimens of D. Fitzgerald, from Florida, as described and figured 
in the Gazette. M. Cardot has sent us four of these typical speci- 
mens ; all are old and deoperculate, and represent, in our opinion, 
a very depauperate state of this variety. Quite recently we have 
received No. 156 of Ren. & Cardot Musci Am. Sept. collected by 
J. M. Holzinger at Rock Creek, near Washington, D.C. These 
specimens are in fine condition, and contradict the original de- 
scription of D. Fitzgeraldi in several points, the old capsules when 
deoperculate being contracted below the mouth, which is slightly 
oblique ; the walls also are often sulcate, so that we have no hesi- 
tation in saying that these are D. heteromalla var. orthocarpa. 
They agree with Sull. & Lesq. Musci Bor. Am. No. 68, and Aus- 
tin Musci Ap. No. 80. 
The variety ixterrupta Schimp. has also been recognized and 
distributed in American exsiccatae, and the var. séricta occurs 
abundantly on decomposing sandstone rocks in the Dells of the 
Wisconsin. Recently I have made the acquaintance of what may 
be called the mountain form of this species ( Plate 249 ) for which 
we have not yet discovered a name, but which we think has been 
figuring in the Manual as D. curvata. It first puzzled me by 
growing in the dense mats of Campylopus Virginicus Aust., raising 
false hopes that it might be the fruit of this species, which has 
thus far only been collected sterile. The pedicels were strongly 
recurved, and the capsules when fresh, ovoid and smooth; but 
