AECHIDIUM— ANDEE^A. 43 



Division I. SACCOMITEIA (Musci spurii). 



Order I. EOLOCABPM. 



Tribe i. Aechidiac*. 



1. ARCHIDITJM, Bridel. 



1. A, alternifolium, Bkks, Braitli. Br. M. Fl., p. 92, 

 t. ]4a {A. phascoides, Wils. Bry. Brit., Syn. i. 26). 

 St. J inch, second year branched, sometimes 1 inch. 

 Fertile branches short, barren ones longer, slender, and 

 with more distant leaves. L. lanceolate pointed, upper 

 ones longest, entire, nerved nearly to or beyond apex ; 

 per. 1. ovate-lanceolate, toothed near the apex, nerve 

 excurrent. 



Moist clayey or chalky banks, &c. March, April. 



Order II. SGMIZOCABPM 



Tribe i. ANDEBJ)CBiE. 



2. ANLEE^A, Mr. 



a. L. nerveless. 



2. A. petrophila, Ehr., Braith. Br. M. PI., p. 6, t. la, 

 and Edition 1 (A. rupestris, Hedw., Bry. Brit.). St. 

 ^ in., loosely tufted, with fastigiate branches. L. erect, 

 imbricate, with a sheathing base, generally secund, 

 ovate or ovate-lanceolate, papillose entire, tapering 

 above, and rather obtuse ; per. 1. larger, convolute ; all 

 reddish-brown. 



Subalpine rocks, frequent. May, June. 



