MNIUM. 



171 



Moist shady banks and woods. April, May. 



382. M. rostratum, Schrad. St. \~l inch, decum- 

 bent at base (barren, long, erect or creeping). L. 

 lower ovate, upper oval-oblong, obtuse, in a terminal, 

 spreading tuft, all simply and bluntly serrate, undulate, 

 nerve slightly excurrent into a mucro. Caps, oval, 

 inclined or pendulous, lid with a long, curved beak. 

 Synoicous. 



Moist shady rocks, &o. Common. April. 



Section 2. Basilar tranches erect. ' 

 a. Leaves with a thickened border, doubly dentate. 



* Lid mammillate. 



383. M. hornum, L. St. 1 — 3 inches, simple. L. 

 linear-lanceolate, acuminate, rigid, very slightly decur- 

 rent, doubly spinuloso-serrate, nerve also spinulose, not 

 reaching apex. Caps, large, oblong-ovate, cernuous, lid 

 convex, mammillate, seta curved at summit. Dioicous. 



Shady moist banks and woods. Common. May. 



** lAd conical, rostrate. 



384. M. serratum, Schrad. St. | — 1 inch, pui-plish, 

 erect. L. lower reddish on nerve and border, all vary- 

 ing from obovate-lanceolate to spathulato-lanceolate, 

 acuminate, much decurrent, doubly spinuloso-serrate, 

 nerve vanishing in apex; per. 1. lanceolate. Caps, 

 ovate or oval, cernuous, lid large, conical, with a 

 short beak. Synoicous. 



Moist shady rocks and banks. May, June. 



385. M. orthorhynchum, Bi-id. St. j — 1 inch, simple. 

 L. lower scattered, ovate-acuminate, decurrent, upper 

 ovate-lanceolate, doubly spinuloso-serrate, nerve spinu- 

 lose on back, all undulate and crisped when dry. 



