MUSCI. —(MOSSES.) 49 
when dry furrowed, with a long and erect (rarely short and arcuate) ‘pedicel. 
Peristome usually double, sometimes single or none; the exterior of 16 teeth 
like those of Bryum ; the interior a plicated membrane divided half-way into 16 
trees 5 8 
or ee. * longa, serrate, papillose on both surfaces, of a firm texture; areole 
dense, quadrate or oblong; costa percurrent or excurrent. (Named in honor of 
John Bartram, e earliest mative we botanist.) —In the following species 
the capsule is cernuous: peristo pedicel long erect. 
$1. BARTRAMIA Proprr.— Stems seri branched. 
1. B. ithyphylla, Brid. Hermaphrodite ; compact, bright yellow- 
ish-green ; stems }/-2! high ; leaves erect-patent, none pi from a 
broad, sheathing, whitish base ; , excurrent, with a scabrous point — 
2. B. deri, Swartz. Hermaphrodite; tufts loose, extensive, dark-green ; 
stems slender, 1'- y high; leaves remote, patent-recurved from an erect (not 
sheathing) base, lanceolate, carinate, scarcely papillose, recurved on the margins, 
costate to the apex. — Mountains of New England. (Eu. 
3. B. pom mee oi Hed Moneecious; tufts large, rather dense, 
glaucous-green; stems 1/—3! bight: cain erowded, spreading, lanceolate-subu- 
late or. linear-subulate, crisped. when dry, flattish, the costa excurrent; male 
flower gemmiform, contiguous to the female.— Shady banks, either dry or 
‘moist: common. (Tab. 17.) (Eu.) 
§2. PHILONOTIS, Brid. — Stems fasciculately branched. 
= B. fontama, Brid. Dic ; tufts extensive, dense, yellowish or 
ucous-green ; stems elongated et ait high) ; vata es interruptedly. verticil- 
ie leaves of two forms, either short, ovate-acum’ and appressed, or longer, 
lanceolate and spreading or secund, both nui on 25 margins below and ob- 
— lige at the base; inner leaves of the discoid male flower obtuse, not 
— Wet springy places, in mountain districts. (Eu.) 
5. B. calecirea, Br. & Sch. | Dicecious; compared with the last species 
‘which it very closely resembles), its leaves are longer, more rigid and gradually 
articulated. — Specimens intermediate between this species (as above. described 
from.European specimens) and No. 4, were gathered by Lesquereur, on wet 
rocks, in the mountains of North Carolina. -(Eu.) 
tana; leaves uniform in s , not pli 
cate, mucronate by: _ excurrent, costa ; ; capsule thin-walled ; male flower gem- 
acute, costate. — (B. Muhlenbergii, 
ee ee (Eu) 
