404 ANOPHTTES 



TRIBE 1. PHASCA V CEAE. 

 528. PHAS'CVM, L. Earth-Moss. 



[Gr. Phaskon ; the ancient name for some Moss.] 



Calyptra mitriform, or cuculliform. Capsule indehiscent (lid persist- 

 ently closed). Fructification monoicous, or dioicous. Very diminu- 

 tive Mosses. 



1. P. Crassinervilim, Schwaegr. [Thick-nerved']: Stemless; 

 leaves lance-linear, or subulate, denticulate, erect-spreading, rigid, 

 the broad nerve excurrent ; calyptra mitriform ; capsule globular, 

 subsessile. Moist grounds. 



2. P. CUSpidatlllll, Schreb. [Cuspidate]: Stem simple, or 

 forked-branched; leaves erect, ovate-lanceolate, entire, the nerve 

 excurrent; calyptra cuculliform; capsule immersed, roundish. 

 Clay soil ; old fields. 



3. P. Cl'i spum, Hedw. [Curled]: Stems usually branched; 

 leaves lance-subulate, entire, flexuose, crisped when dry ; capsule 

 nearly spherical. Old fields. 



4. P. a He r 11 i folium, Bruch $ Schimper. [Alternate-leaved] : 

 Stems erect, branched ; leaves lanceolate, spreading, the nerve ex- 

 current. Old fields. 



5. P. lliuficillll, Schreb. [Pointless]: Stemless; leaves broadly 

 ovate, concave, serrate, conuivent, the nerve reaching to the point. 

 Old fields ; Coventry. Decem. 1850. 



<>. P. Siilmlatiiin,/'. [Subulate]: Leaves subulate-setaceous, 

 straight, the nerve disappearing below the summit. Old fields. 

 April, 1850. 



529. BRITCH'IA, Schwaegr. 

 [Named for Prof. Bruch a distinguished Bryologist.] 



Calyptra mitriform, laciniate at base. Capsule oval, beaked, in- 

 dehiscent. Fructification dioicous. A very minute Moss, with straw- 

 colored stems and fruit. 



1. B. flexuosa, B. $ S. [Flexuose] : Stems mostly simple ; 

 leaves oblong-ovate, the nerve continued into a long flexuose point; 

 capsule oblong-pyriform, with a short acute beak. Damp ground. 



TRIBE 2. POTTIA^CEAE. 



530. APHAtfORECnUA, Sulliv. 



[Greek ; literally an imperceptible seam, or place of rupture.] 



Calyptra bell-shaped, awl-pointed, 4- 5-laciniate at base. Capsule 

 spherical. Peristome none. Lid hemispherical, apiculate. Fructi- 

 fication monoicous. 



1. A. serrata, Sulliv. [Serrate]: Stems simple, or branched; 

 leaves oblong-lanceolate, spreading, serrate, the nerve failing near 

 the apex ; capsule separating transversely by an indistinct suture. 

 Damp grounds; Coventry. 



