80 SYNOPSIS OP BRITISH MOSSES. 



Section 2. Leaves with hyaline points. 

 93. C. atrovirens, De Not. (0. longipilus, Brid., pro 

 parte ; Wils., Bry. Brit. ; et Schimp., Muse. Eur. Nov.). 

 Dense tufts 1 — 3 inches high, above yellowish-gfreenj 

 below brownish, at base black. St. erect, dichotomous, 

 with few radicles at base. L. lower, lax, sborter, the 

 rest densely crowded, erecto-patent, lanceolate, very 

 longly subulato-setaceous, channelled below, auricled, 

 nerve excurrent into a hoary hispid arista, channelled 

 at back, one-third width of leaf base, cells of auricles 

 dilated, castaneous, central colourless, above these 

 subrectangular, uppermost oblongo-elliptic. Female 

 fl. 2, 3 at apex of innovations. 



Wet rocks, and moorlands in mountainous dis^ 

 tricts. 



Var. /3. FALCATUS, Braith. " St. short, more robust. 

 L. dense, broader, falcato-secund, circinnate, very 

 concave." 



Connemara (Barker) ; Islay, September, 1883 (Rev. 

 A. Ley). 



94. C. introflexus, Brid. (G. longipilus, Bry. Eur. pro 

 parte ; G. polytrichoides, De Not.; D. ericetorum, Mitt.). 

 Densely tufted, olivaceous brown below, innov. yellow- 

 green with hoary tips, f— 1| inches high, sparingly 

 radiculose, dichotomous. L. imbricated, erecto-patent, 

 lanceolate-subulate, cbannelled, not auricled, wings 

 but little incurved, comal leaves broader, lanceolate- 

 acuminate, lowest muticous, rest prolonged into a 

 diaphanous spinuloso-denticulate arista shorter than 

 the leaf, nerve three-fourths width of limb, lammelluli- 

 gerous at back, basal cells hyaline, large, and empty, 

 gradually becoming obliquely oval and minute, chloro- 

 phyllose, a few fuscous alar cells in comal leaves; 



