DIDYMODON. 131 



of flowering-plants, marked as it is by its crowded mode of 

 growth, and pale green leaves. 



1-1. DiDYMODOX PusiLLcs, Hedw. {Dwarf Didi/modon.) 

 Stems slender, elongated; leaves erect, rigid, from a broad 

 lanceolate base, subulate; capsule erect, oblong; lid 

 obliquely rostrate. — Eng. Fl. ]). 31. Leptotriclmm tortile, 

 var. pusillum, Milll. Sijn.pt. \. p. 151. 



Sandy banks and garden-ground, near Belfast, Messrs. 

 Templeton and Drummond. Much smaller than the last, 

 which it much resembles in habit. It has upright and 

 somewhat rigid leaves, and a peristome with short teeth. 

 Found throughout Europe and North America. 



15. DiDYMODON CYLiNDRicus. [Cylindrical Did//Modon.) 

 Stem short, simple; leaves from a broad base, setaceo-ca- 

 pillary, spreading on all sides, flexuose ; capsule cylindrical, 

 inclined; lid conical, blunt. — Eng. Fl.p. 3. -2. Angstroemia 

 cylindrica, Miill. S)jn. pt. 1. jf?. 411. 



On damp ground. Ditch-bank near Orange Grove, Bel- 

 fast, Mr. Drummond. Fr. November. A very distinct 

 species ; it is found here and there throughout the north, 

 and more sparingly in the middle of Europe, preferring sub- 

 alpine districts. 



