MUSCI. (MOSSES.) (39) 639 
4. R. microcarpum, Brid. Tufts rather compact; stems slender, 
fasciculately branched, with numerous short branchlets ; leaves yellowish, spread- 
ing, recurved or a aie I. with a short diaphanous re- 
motely serrated hair-point elongated and sinuous; capsule 
small, oblong; teeth of the pocistenss err — Dry rocks, Alleghany Moun- 
tains. (Eu.) 
5. R. lanugind » Brid. Patches loose, extensive, hoary; stems 
much elongated (4!/- 10), bie flexuose, fragile, with fasciculate branches ; 
leaves crowded, erect-patent, rather flexuous, linear-lanceolate, tapering into a 
long diaphanous erose-dentate hair-point; areole elongated and sinuous; cap- 
sule small, ovate-oval, on a short scabrous pedicel ; teeth of peristome very long, 
2-cleft, filiform. — Rocks, White Mountains, New Hampshire, Oakes. (Eu.) 
6. R. caméscens, Brid. Patches loose, large, yellowish-green or hoary ; 
stems 2/—4! long, more or less fasciculately branched; leayes spreading, re- 
curved, ovate-lanceolate, with a short erose-denticulate hair-point, papillose on 
both s i vate- 
ur’ 
oblong, on a long smooth pedicel ; teeth of the peristome as long as the capsule, 
very slender, 2-parted, nodulose. — With the last, Oakes. (Eu.) 
Trrzr XVI. HEDWIGIEZ. 
40. HEDWIGIA, Ebr. (Tab. IL) 
alyptra small, conic, ater sometimes hairy. Operculum plano-conyex, 
with or without a central papilla. Capsule globose, erect, entirely immersed, 
very short pedicellate Perstome none. Inflorescence monoecious: male flower 
‘ke Schisti ; . 
margi 
and quadrate. (Dedicated to the tated cryptogamist, Ie Hedwig. re 
1. Hi. ciliata, Ehrh. Stems 1’/-4’ long, rooting at the base only ; leaves 
sometimes secund, with a longer or shorter me gH oint. — On rocks and 
bowlders ; very common, forming large and hoary glaucous-green patches. 
(Tab. II.) (Eu 
Tre XVIL BUXBAUMIES. 
41. BUXBAUMIA, Haller. (Tab. ad 
Calyptra ee ana Oman small, covering the operculum . Oper- 
culum small, Sai comer Cap riachpicine oe RN NT obliga, "da on the 
Peri 
upper ree convex 
stome double (7) ; di exterior an een ante ‘anes composed of 
3 or 4 ieailt of elongated or tissue, or 16 linear moniliform papillose teeth ; 
the interior a whitish and conic plaited membrane. Inflorescence moncecious : 
male flower gemmiform ; sada solitary, roundish. — Minute annuals or 
biennials ; stems scarcely any, partly buried in the soil; leaves few (5 or 6), scale- 
