BOTANY. 
CXCVll 
rius stmctura prsecedentls pariterque cum exteriori diu cohjerens, demum vero liberum et 
in omni statu separabile. Huic et prsecedenti valde alRnis videtur Ptychostomum compactum 
Hornschuch, et Schwaegr. suppl. 2. sect. 1. p.56. #.115., cui peristomium interius cum 
exteriore arctius coh^ret. Hujus generis ? alteram speciem arcticam babeo, Ptychostomum 
pulchellum, capsula sphgerico-obovata, operculo hemispharico mutico, dentibus peristomii ex- 
terioris apice liberis basi mediante membrana (peristomio interiore) cohaerentibus, foliis ovato- 
lanceolatis acuminatis integerrimis. 
83. PoHLiA PUEPURASCENS, follis (purpui’ascentibus) ovato-lanceolatis acutissimis : mar- 
ginibus integerrimis recurvis, capsulis pyriformi-oblongis, operculo hemisphoerico obtuso, flori- 
bus hermaphroditis. ^ 
Obs. Praecedentis forsan varietas, vix distingueiida nisi notis supra dads. 
Propter peristomii interni structuram lianc cum duabus prascedentibus ad Pohliam I'etuli, 
facies tamen potius Bryi est, et omnes B. c^spiticio quam maxime affines. 
84. Teichostomum lanugixosum, Hedw. stirp. crypt. 3. p. 3. t. 2. Sp. muse. p. 109- 
Schwaegr. suppl. 1. sect. 1. p. 149. Smith brit. 3. p. 1240. Engl. bot. 1348. Turner 
muse, hibern. p. 38. Muse. brit. p. 60. t. 19. Hooker scot. par. 2. p. 134. Wahlenb. 
lapp. p. 329. Richardson in Franklin's journ. p. 755. 
Racomitrium lanuginosum, Brid. mant. p. 79. 
Obs. Specimina pauca et absque fructificatione. 
85. Dxdymodon capillaceum, Schrad. spicil. p. 64. Sw. in act. holm. 1795, p. 237. 
Muse. suec. p. 28. Roth. germ. 3. p. 199. IVeb. et Mohr, tasch. p. 155. Schkuhr deut. 
moos. p. 66. t. 29. Wahlenb. lapp. p. 314. Carpat. p. 336. Voit muse, herbip. p. 34. 
Muse. brit. p. 67. t. 20. Brid. mant. pi. 100. Hooker, scot. par. 2. p. 136. Richardson 
in Franklin’s journ. p. 755. 
Swartzia capillacea, Hedw. stirp. crypt. 2. p. 72. t. 26. 
Cynontodium capillaceum, Hedw. sp. muse. p. 57. Schumach. sodland. 2. p. 40. 
Cynodontium capillaceum, Schwaegr. suppl. 1. sect. 1. p. 114. 
Trichostomum capillaceum. Smith brit. 3. p. 1236. Engl bot. 1152. Turner muse, 
hibern. p. 35. 
Bryum capillaceum, Dicks, crypt, fasc. 1. p. 4. #. 1. /. 6. 
Bryum tenuifolium, Villars dauph. 4. p. 868. 
Bryum n. 1806. Hall. hist. 3. p. 44. t. 45. p. 1. 
Obs. Duas varietates a Melville Island babeo, quarum 
a. statura et foliis laxiusculis cum D. capillaceo europaso convenit, paululum differt cap- 
sulis ovalibus nec oblongis. 
/3. statura humiliore, foliis strictioribus et brevioribus; media quasi inter D. capilla^ 
ceum vulgare et D. subulatum Schkuhr deut. moos. p. 65. t. 28., quod ad eandem spe- 
ciem pertinere videtur. 
