16 BOTANICAL GAZETTE [yuLy ; 
palustre BS.) by the leaves straight, not undulate, convolute, and entire, the j ! 
thinner costa, the less porose cells, and the perichaetial leaves long piliferous. 
FIsSIDENS BRYOIDES Hedw., var GYMNANDRUS Ruthe, Hedwi- — 
gia 9:178. 1870. Limpr. Laubm. 1: 430. (F. gymnandrus Buse | 
Musc. neerl. exsicc. fasc. 4, no. 77). 
Northwestern Montana: in the vicinity of Lake MacDonald, Flathead 
county (J. M. Holzinger and J. B. Blake, 1898). 
A peculiar form, easily distinguished from the type by the antheridia 
naked in the axils of the stem-leaves. 
FISSIDENS SUBBASILARIS Hedw. var. Bushii Card. & Thér., var. 
nova.— A forma typica differt foliis latioribus brevioribusque, 
obtuso rotundatis, nervo fere ad apicem producto et areolatione 
magis opaca cellulis parietibus crassioribus. . 
Missouri: Eagle rock, on gravelly ground (B. F. Bush, 1897). 
Desmatodon systilioides Ren. & Card., sp. nova.— Monoicus, 
gregarius. Caulis brevis, erectus, 2-3™™ altus. Folia in rosu- 
lam congesta, patula, oblongo-lanceolata, apice sat subito brevi- 
terque acuminata, acuta, marginibus planis superne inaequaliter 
denticulatis, nervo valido rufescente percurrente vel breviter 
excedente, cellulis inferioribus laxissimis, subrectangulis, inani-_ 
bus, hyalinis vel lutescentibus, mediis et superioribus minutis, - 
rotundato-subquadratis vel subhexagonis, papillis numerosis _ 
obscuratis, marginalibus 2~—4-seriatis, quadratis vel breviter rec- 
tangulis, vix vel parum papillosis, limbum distinctum lutescen-— 
tem translucentem efformantibus. Folia perichaetialia vix. 
diversa, paulo breviora. Capsula in pedicello lutescente vel 
pallide rubente, siccitate dextrorsum torto, 8—12™ longo erecta, 
