676 (76) _MUSCI. (MOSSES.) 
-— On dry rocks. Var. serésum: branches more elongated and —" ; 
at attenuated, of a anit silky hue. — Base of trees, in dry pla 
* * Pedicels rough. 
59. MH. rutabulum, L. Monecious; stems 3/—5! long, prostrate or 
arcuate, ; bratnets S$ ascending ; leaves pale gree 
th 
in, 
only when dry, costate above half-way ; capsule oval or oblong-cernuous ; annu- 
lus large; perichetial leaves recurved; vaginula emergent, pilose: a large 
species. — On the ground, in wet and springy places. (Eu.) 
_H. plaumdésum, L. (Bryol. Europ.) Moncecious; stems 3/-4/ 
long creeping branches ascending, ramulose; leaves yellowish-green or reddish- 
brown, ovate and deltoid-ovate, se a short dita oblique point, gover: above, 
semicostate, estriate; capsule gibbous, oval, inclined; annulus narrow: 3 only 
the upper half of the ye scabrous. (H. pseudo ae Brid, Mull. ; 
also H. chrysostomum, Michx.) — All een Mountains. (Eu. 
Siewren Hedw. Monce stems 2'—3! long, irregularly 
branched ; branches ascending or arcuate ; ie, qos and narrowly lance- 
all dis 
(H. reflexum, James in Proceed. Acad. Philad., 1855. )—Rocks and trunks o 
trees, in hilly districts. (Eu.) 
62. Hi. Féndleri, Sulliv. (Muse. Bor.-Amer. No. 334.) Polygamous 
(staminate, pistillate, and hermaphrodite flowers on the same plant); stems 
1/-Q! long, creeping ; branches erect, simple or ramulose; leaves ovate-lan 
a short obtuse rostrum ; 8 slightly scabrous below, smooth above: resem- 
bles the European H. velutinum, Z. (Leskea Fen ndleri, Sulliv. in Mem. Amer. 
ser. 4, p. 170, t. 1.) —Dry rocks, Santa Fé, New Mexico, Fendler 
._ éxuum, Starke. Monecious; stems procumbent, filiform, 2/— 
3! ja: ae crowded, slender, arcuate ; tacos rather distant, decurrent, 
broadly or deltoid-ovate, suddenly and narr iakeotty lanceolate, spreading at their 
point, serrulate, costate to the apex; eat globose-ovate, horizontal. 
(H. subtenue, James, 1. c.) —Rocks, and base of trees, White Mountains of New 
eS (Eu.) 
64, tarkii, Web. & Mohr. Moneecious ; resembles the last species ; 
but is one Jarger, and has a slenderer costa extending about half-way up the 
leaf. — White Mountains of New Hampshire, (Eu.) 
. H. rivulare, Bryol. Europ. Distinguished from H. rutabulum by 
its somewhat larger size, more rigid stems, firmer, wider, shorter, and more sud- 
denly acuminated leaves, with a heavier costa, papillose pedicels (1'-14/ long), 
and essentially by its dicecious inflorescence. — Wet rocks, mountains of New 
England and of Pennsylvania. (Eu.) 
66. Hi. Novz-Angliz, Sulliy. & Lesqx. (Muse. Bor.-Amer. No. 338.) 
Dicecious ; stems 1}/-2! long, rather stiff; main divisions arcuate-ascending, 
