38 BEYACE^. [Epiiemerum. 



or subciliate : capsule dark purple, shining. — Linneea, xii. 552 ; 

 Muell. Syn. i. 31 ; Bryol. Eur. 1. 1. JPhascum serratum, Schreb. 

 Phase. 9, t. 2 ; Sulliv. Mosses of U. States, 14. 



Var. angustifoliura, Schimp. Leaves narrower, linear- 

 lanceolate, obtusely and distantly serrate : capsule smaller, 

 longer pedicellate, globose-ovate to conical, more distinctly 

 apiculate : spores smaller. — Ephemerum minutissimuni, Lindb. 

 Manip. Muse. ii. 411. 



Hab. Broken fields, on the ground, in winter or early spring. 

 Closter, New Jersey [Austin); California (Bolander). The variety at 

 Cambridge, Massachusetts (James), and at the Carlton House, Saskatch- 

 ewan (Brummond). 



* * Leaves costate. 



2. E. crassinervium, Hampe. Leaves long, lanceolate, 

 subulate, flexuous, erect, more or less coarsely and irregularly 

 serrate on the borders toward the apex and on the back of the 

 costa, which is flatter and often disappears at the base, but is 

 continuous to the apex : capsule short-pedicellate : spores large, 

 papillose. — Muell. Syn. i. 33 ; Sulliv. Icon. Muse. 17, t. 8. 

 Phascwn crassinervium^ Schwaeg. Suppl. i. 4, t. 2; Sulliv. 

 Mosses of U. States, 14. 



Hab. Moist clay ground and open fields ; common and very variable. 



3. E. spinulosum, Bruch & Schimp. Differs from the 

 last in the narrow very soft leaves having the costa (loosely 

 areolate and effaced near the base) excurrent into a long soft 

 hyaline spinulose arista, and in the loosely areolate membrane 

 of the capsule. — Schimp. Syn. 6, and Proc. Am. Acad. xiv. 

 139. Phascwn crassinervium^ var. (?), Sulliv. 1. c, 14. 



Hab. Same as the preceding. 



4. E. papillosum, Aust. Closely allied to E. crassiner- 

 vium, differing in the narrower leaves, with equally distant 

 serratures and papillose on both sides, and in the mitriform 

 calyptra, distinctly papillose. — Muse. Appal, n. 50 ; Sulliv. 

 Icon. Muse. Suppl. 19, t. 10. 



Hab. On thin soil, upon rocks; Palisades, New Jersey [Austin). 



5. E. hystrix, Lindb. Plants larger: leaves slightly ex- 

 ceeding the capsule, open-erect or subsecund, rigid, cannliculate- 

 carinate, narrowly lanceolate-subulate, very acute, long-spinu- 

 lose upon both sides and on the margins ; costa thick, not dis- 

 tinctly defined, continuous, nearly filling the subulate point: 



M 



