122 ACOTYLEDONS. — Musci. Gymnostomum. 



disappearing below the point. Hook. & Tayl. Muse. Brit. 

 p.Q.f..5. Light/, p. 69 i. 

 Hab. Di-y banks. 



4. Ph. axillare, leaves lanceolato-subnlate straight their nerve 

 disappearing below the point, fruit at length lateral. Muse. 

 Brit.p.7. t.b, 



Hab. Banks,, Angus-shire, G. Don. 



ft Leaves more or less ovate. 

 (Friiitstalk entirely immersed among the leaves.) 



5. Ph. muticum, leaves ovato-rotundate acuminate concave con- 

 nivent, the nerve reaching to the point. Muse. Brit. p.7.t.5. 



Hab. Banks, not uncommon. 



6. Ph. cuspidatum,\e?i\'cs ovato-acuminate erect their nerve reach- 

 ing to the point. Muse. Brit. p.S. t. 5. Phascum aeaulon, 

 Ligh'f. p. 693. 



/3. piliferum, leaves hair-pointed. 



Hats. Sandy fields, common. ^. King's Park^ Edinb., G. Don. Ar- 

 thur's Seat, common, Mr. Greville. 



4. GYMNOSTOMUM. 



Fruilslalks terminal. Mouth of the eapsule naked. Cahjptra 

 dimidiate. M2isc. Brit. t. 1. 



* ^tem elongated, branched. 



i. G. lapponieum, leaves linear-lanceolate crisped when dry, 

 the parichsetial ones broadly ovate their margins involute, cap- 

 sule turbinate striated. Muse. Brit. p. 10. t. 6. 



Hab. Summits of Clova, G. Don. Mountains E. of Ben Voirlich, 

 Mr. Arnott. 



2. G. cestiviun, leaves lanceolate twisted when dry, the peri- 

 chffitial ones Ijroadly ovate their margins involute, capsule ob- 

 long smooth. Miisc. Brit. p. 10. ^6. 



Hab. Wet rocks, not uncommon. 



3. G. viridissimum, leaves broadly lanceolate, capsule ovate, 

 lid obliquely rostrate. Muse. Brit. p. 10. t. 6. 



Hab. Inch Keith, D. Don. 



4. G. eurvirostrum, leaves subulate, capsule turbinate ovate, 

 * lid obliquely rostrate. Miise. Brit. p. 11. /. 6. 



H.VB. Moist rocks, not rare. • 



** Stems short, simple. 



5. G. ovalum, leaves ovate erect concave piliferous their nerve 

 furnished with a granuliferous membrane, lid rostrate. Muse. 

 Bril.p.W.t.l". 



Hab. Banks and walls. Dumbarton and Angus-shire, D, Don, Very 

 common, Mr. Greville. 



6. G. truncatulum, leaves ovate apiculatc patent nearly plane. 



