- 
14 MUSCI. (MOSSES.) 
SusorpEr I. BRYACEZX. 
Diy. I. Acrecarpi. 
Fruit terminal on the main stem, or rarely terminal on short lateral branches. 
A. CLEISTOCARPI. — Capsule without 1 eine bepabialy 
gist 3 i] so 
Tree IL ee. 
3 ARCHIDIUM, Bri. (Tab. 15.) 
Calyptra irregularly ruptured in the middle; the lower part persistent. Cap 
sule globose, sessile - = short vaginula, immersed. Columella none. Spores 
large, few (8-15). male flower naked or 2-leaved, 
axillary. — Minute terrestrial plants, of a structure more simple than any of the 
suborder, hence its name et a beginning). 
e Ohioémse, Schimp. Stems at first erect, 1/’- 2" high, afterw 
Naas, and lengthened =n innovations ; leaves sae aa, by the 
excurrent costa, slightly denticulate above, the perichzetial much larger; capsule 
terminal on a short late ranch. (A. phascoides, Muse. ‘Alle ghan., No. 213.) 
— Meadows and waste fields, Central Ohio, and N, Alabama, (Tab. 15.) 
4. PHASCUM, L. (Tab. 15) 
Calyptra campanulate or cuculliform. Capsule roundish, more or less apicu- 
rt shortly ee , usually immersed. Colum Bella present. Spores numer- 
orescence moncecious. — Diminutive seit mostly annual, 
gro apes bers either stemless and bab HEE b with a short stem, 
ied pert: ee —— or —— — on ancient name toe a 
moss.) — For 
the names of the ime into which, a natural arrangement requires the species 
ns, 
be d distributed, 
* Plants growing from a confervoid thallus. Columella fugacious. 
§ 1. EPHEMERUM, Hampe. —.Stemless: leaves des loose rhomboidal areolation . 
.calyptra campanulate-conic : capsule globose-ovate, subsessile, teem spores 
large: male flower gemmiform, ee Tia the bale i? the OES on 
1. P. serratuam, Schreb. Leaves oblong or linear-lanceolate, ecostate, 
deeply serrate; capsule purple, shining. — Moist ground; edge of woods. (Eu.) 
2. P. séssile, Br. & Sch. Leaves lanceolate-subulate, aid entire ; costa 
excurrent, more or less obsolete near the base.— Clayey soil, in thin woods, 
Central Ohio. (Eu.) 
3. P. crassinérvium, Schwegr. Leaves linear-lanceolate, strongly 
and irregularly dentate near the apex ; costa continuous, not excurrent.— With 
the last. — Also with a var. ? having the leaves near the i spinulose-dentate, 
(the teeth often recurved,) and papillose or cristate on the back ; spores much 
larger :— probably E. spinulosum, Br. §- Sch., mentioned in Wils Brit., 
p. 27. 
