Gyrnnostomwn.~} GYMNOSTOMI. 19 



In the circumstance of its being- generally found upon trees, this 

 species is unlike the remaining British congeners. It is produced 

 in tufts like an Orthotrichum. The stems are scarcely an inch in 

 height, of a pale yellow green. The leaves are most beautifully 

 dotted, and the nerve more decidedly pale than in the preceding 

 species, and almost exactly resemble those of Zygodon conoideum. 

 We believe that none but very imperfect specimens of 

 Smith's Grimmia 9 Forsteri exist ; but on an accurate examina- 

 tion of their leaves we have little hesitation in referring that 

 plant to our Gym. viridissimum. 



Tliis species we think is unknown upon the continent, 

 t. G. curvirostrum ; leaves lanceolato-subulate erect rigid 

 straight when dry, capsule (brown) broadly ovate, lid ob- 

 liquely rostrate longer than the capsule. (TAB. VI.) 



Gymnostomum curvirostrum. Hediv. St. Cr. v. 2. t. 24. Smith, FL 

 Brit. p. 1164. Engl Bot. t. 2214. Schwaegr. Suppl. v. 1. p. 32. 

 Brid. Meth. p. 18. Hook. FL Scot. P. II. p. 122. Drummond, Muse. 

 Scot. v. 1. n. 8. Nees et Hornsch. Bryol. Germ. v. 1. p. 170. t. 11. / 

 24. Am. Disp. Muse. p. 9. 



G. stelligerum. Schrad. Journ. v. 2. p. 55. (Sm.j Smith, Fl. Brit, 

 p. 1164. Brid. Meth. p. 18. 



G. lutecium. Smith, FL Brit. p. 1163. (not of Engl. Bot.). 

 G. pomiforme. Nees et Hornsch. Bryol. Germ. v. 1. p. 158. t. 10. / 

 18. (together with G. ceruginosum, microcarpon, brevisetum, and pattidise- 

 tum of the same authors, according to Mr. ArnottJ. 

 Bryum sestivum. Linn. 

 Bryum stelligerum. Dicks. 



HAB. Moist rocks, especially such as are calcareous. 

 >. G. rupestre ; leaves linear-subulate patent flaccid flexuose 

 twisted when dry, capsule (pale) ovate, lid conico-rostrate 

 shorter than the capsule. (SUPPL. TAB. II.) 



G. rupestre. Schwaegr. Suppl. v. 1. p. 31. t. 10. Drummond, Muse. 

 Scot. v. 2. n. 6. Brid. Meth. p. 18. Nees et Hornsch. Bryol Germ. v. 

 1. p. 155. t. 10. / 16. Punch, Deutschl. Moose, t. 7. n. 4. Arn. Disp 

 Muse. p. 9. 



G. curvirostrum. Hobson, Brit. Mosses, v. 1. n. 9. 

 G. seruginosum. Smith, Fl. Brit. p. 1163. Engl. Bot. t. 2200. 

 Brid. Meth. p. 18. 



G. articulatum. Brid. Meth. p. 18. ( according to ArnottJ. Nees et 

 Hornsch. Bryol. Germ. v. 1. p. 156. t. 10. / 17. ? 



G. stelligerum. Nees et Hornsch. Bryol. Germ. v. 1. p. 168. t. 11. / 

 23. ( according to ArnottJ. 



B2 



