614 (14) MUSCI. (MOSSES.) 
Sunorper Ill. BRYACE®R. 
Div. I. Acrocarpi. 
Fruit terminal on the main stem, or rarely terminal on short lateral branches 
Cc 4 Crk 7 Sanne = 1 1 
Ae Veapsuie 1 $24 Ss Ly 
Trine I. PHASCEZ. 
3. ARCHIDIUM, Brid. (Tab. L) 
Calyptra irregularly ruptured in the middle; the lower part persistent. Cap- 
sule globose, sessile on the short vaginula, immersed. Columella none. Spores 
large, few (8-15). ere moneecious : male flower naked or 2-leaved, 
— Minute terrestrial plants, of a structure more simple than any of the 
suborder, hence its name re *Apyidioy, a ak 
1, A. Ohioénse, Schimp. Stems at first erect, 1/!-9! high, afterwards 
decumbent, and lengthened by fivobatia’ leaves lanceolate, rs eh by the 
excurrent costa, slightly denticulate above 5 he pericheetial much larger; capsule 
terminal on a short lateral branch. (A. phitiociden; Muse. Alleghan., No. 213.) 
— Meadows and waste fields, Central Ohio, and N. Alabama. (Tab. I.) 
4. PHASCUM, L._ (Tab. 1) 
Calyptra campanulate or cuculliform. Capsule roundish, more or less. apicu- 
late, maa pedicellate, usually immersed. Columella present. Spores numer- 
ous, muric ate: inflorescence monecious. — Diminutive aa mostly annual, 
wing on the ground, either stemless and bulb-like, or with a short stem, 
sparingly divided; ra come or ewe (anon an ancient name for a 
moss.) — For conven fi tended 
the names of the genera, into whicha natural arrangement requires the species 
to be distributed, being used for sections. 
* Plants growing from a confervoid thallus. Columella Sugacious. 
§ 1. EPHEMERUM, Hampe,: _ cone leaves of a loose rhomboidal areolation : 
calyptra « subsessile, apiculate : spores 
large: nile ji gumsiitrks, aor tae a ea) he As tea. 
1. P. serratum, Schreb. Leaves apy or linear-lanceolate, ecostate, 
deeply serrate ; capsule purple, shining. — Moist ground; edge of woods. (Eu.) 
2. BP. séssile, Br. & Sch. Leaves lanceolate-subulate, nearly entire ; costa 
excurrent, more or less obsolete near the base. — Clayey soil, in thin woods, 
Central Ohio. (Eu.) 
(the teeth often recurved. wwe d papillose or cristate on the back ; ge witichs 
larger :— probably E. spinulosum, Br. § Sch., mentioned in Wils. B ol. Brit., 
p- 27. 
