OltTHOTRICHIEI. 223 



8. O. fastigiatum, Bruch ; monoicous ; densely tufted; 

 fastigiate; leaves ovato-lanceolate, imbricated when dry, ob- 

 scurely papillose ; fruitstalk rather short ; sporangium ob- 

 longo-pyriform, widely striate; veil straw-coloured, hairy. — 

 Hook. 8f Wils. t. xlv. 



On trees in fields. North of England and Sussex. Bearing 

 fruit in early summer. 



The characters which distinguish this species are mostly 

 comparative. The leaves are shorter and less acuminate, the 

 texture looser, the base more hyaline, the papillae more ob- 

 scure, the fruitstalk short, the neck of the sporangium 

 longer, more pyriform, the lid wider and more acuminate. 



9. O. speciosum, Nees v. Es. ; monoicous; stems elon- 

 gated, loosely tufted; leaves spreading, elongato-lanceolate, 

 loosely imbricated when dry ; margin recurved ; sporangium 

 exserted, subcylindrical, attenuated at the base, even or faintly 

 striate ; lid ovato-campanulate, very hairy ; teeth bigeminate, 

 reflexed when dry. — Hook, fy Wils. t. xxxiv. ; Grev. 8c. Cryp. 

 Fl. t. 137. ; {Mouff. §■ Nest. n. 722.) 



On trees. Scotland. Rare. Bearing fruit in summer. 



Forming loose yellow-green tufts. Leaves waved, strongly 

 papillose ; leaf-cells narrow and elongated at the base, larger 

 and orbicular above and at the reflexed margins ; tip some- 

 times slightly eroded ; veil narrow ; sporangium pale, narrow, 

 with eight faint striae above. 



10. O. rupestre, Schleich. ; monoicous ; loosely caespitose, 

 more or less elongated, rooting at the base ; leaves spreading, 

 recurved, straight and imbricated when dry, elongato-lanceo- 

 late, keeled above; veil villous; sporangium pyriform, with 

 eight faint striae; teeth sixteen, in eight pairs, erect when 

 dry. — Hook, ty Wils. t. xxxiv. ; Grev. Sc. Crypt. Fl. t. 105. 

 (Mouff. fy Nest. n. 825.) 



