138 SYNOPSIS OF BRITISH MOSSES. 



witli a shorter, more inflated calyptra. L. elliptic- 

 lanceolate and obtuse. 



On trees. Not common. Spring. 



England, Ireland. 



277. 0. tenellum, Bruch. St. i inch, tufted. L. 

 spreading, broadly lanceolate below, above lanceolate- 

 oblong or ligulatOj obtuse, margin revolute. Caps. 

 yellow-brown, exserted, subcylindrical, not contracted 

 at mouth when dry, broadly and distinctly striate. 

 Calyptra with a few short hairs, conico-campanulate, 

 yellow. . Perist. yellow, 8 teeth and 8 incurved cilia. 



Trees. May, June. 



England, Ireland, Wales. 



278. 0. pallens, Bruch. St. erect, short, tufted. L. 

 spreading, elongate, lanceolate or ligulate, obtuse, 

 papillose, margins revolute. Caps, elliptic-oblong, 

 with a large apophysis, scarcely exserted, slightly 

 contracted at mouth when dry, striae broad, yellow. 

 Calyptra large, pale yellow, hairless. Perist. of 8 

 yellow teeth and 16 cilia. 



Trees. Rare. June. 



Addingham, &c. 



279. 0. diaphanum, Schrad. St. scarcely i inch, 

 tufted. L. spreading, ovate-lanceolate, tapering to a 

 slender, diaphanous, serrulate point, margin recurved. 

 Caps, subcylindric, almost immersed, faintly striate. 

 Calyptra generally naked. Perist. 16 equidistant teeth, 

 sometimes split at apex, and 16 cilia. 



Walls, trees, and palings. April. 



e. Pulchellce. 



Tufts small, pulvinate. L. linear- lanceolate. Ca- 

 lyptra naked. Caps, small, exserted. Perist. double. 



