ACOTYLEDONs. — Musci. Diphijscimn. 123 



lid obliquely rostrate. Miisc. BrU.p.\2.t.l . Brijiim tiun- 

 catidum, IJohtf. p. 730. 



Hab. Corn-fields and banks, common. 



7. G. Heimii, leaves lanceolate serrated at the point, capsule 

 ovato-oblong, lid obliquely rostrate. Muse. Brit. t. \'2.f. 1 . 



Hab. Banks, especially near the sea; 



.8. G. jasciculare, leaves oblongo-acuminate nearly plane sub- 

 serrated marginated, capsule pyriform, lid plane sub-mainuiil- 

 late. Mtisc. Brit. p. 12. t. 8.' 



Hab. Moors, near Forfar, plentiful, D. Don. Lismore, Capt. Car- 

 michael. Cleish hills, Mr. Arnott. 



9. G. pi/rifhrme, leaves ovato-acuminate concave serrated not 

 marginated, capsule roundish obovate, lid convex shortly ros- 

 trate. Mtisc. Brit. p. 13. t. 7. Bryum pyriforme, Light/, 

 p,7\S. 



Hab. Ditches, banks, &c., common. 



10. G. ie?iiie, stem scarcely any, outer leaves very short ovato- 

 lanceolate, inner ones lineari-lanceolate, all of them erect ob- 

 tuse with a strong nerve disappearing below the summit, cap- 

 sule oblong. Muse. Brit. p. 13. t. 7. 



Hab. Buchanan Castle ; on sandstone rocks above Blantyre Priory, 

 near Glasgow, D. Don. Auchindenny Woods, near Pennycuik, 

 and Den of Dupplin, Mr. Arnott. 



11. G. Donianum, stem very short, leaves subulate straight, cap- 

 sule turbinate. Muse. Brit. p. 13. t. 7. 



Hab. Sandstone rocks in the Den of Dupplin, G. Don. 



12. G. mierostomum, leaves broadly subulate, their margin invo- 

 lute above flexuose crisped when dry, capsule elliptical con- 

 tracted at the mouth, lid subulate incurved. Muse. Brit, 

 p. 13. t.l. 



Hab. Clova mountains, also Ben High and Ben Nevis, D. Don. 

 Glen Targ, Perthshire ? Mr. Arnott. 



5. ANICTANGIUM. 



Fruitstalks terminal. Mouth of the capsule naked. Cahjptra mi- 

 triform. M21SC. Brit. ;!;. 14. /. 1, 



1. A. ci/za/?/m, leaves ovate much lengthened out and diaphanous 

 at the points, those of the perichaitiuin laciniated at their ex- 

 tremity. Muse. Brit. p. 14. t.Q. 



Hab. Rocks, especially in subalpine places. 



B. Alouth of the capsule having a peristome. 



a. Peristome single. 



G. DIPHYSCIUM. 



Fruitstalk terminal. Ccrp5«/e gibbous. Peris'ome single, forming 



a plicated, meml)ranous, truncated cone. Calyptra mitiiforui. 



i\izi5c. Biit. p.l'u t.\. 



