CRYPTOGAMIA MUSCI. 



Sect. I. Seta (or fruitstalk) terminal. (Dicranum alone offers 

 a few exceptions.) Acrocarpi.i 



Subsect. I. Lid adhering to the mouth of the capsule. Astomi. 2 



1. Andr.ea. Ehrh. Andraea. 

 Caps. 4-valved, the valves cohering at the extremity by- 

 means of the persistent lid. Calyptra irregularly torn. {Muse. 

 Brit. t. 1.) — Name given in honour of an Apothecary of Hano- 

 ver, named Andreae. Hence the Germans write it Andreaa. 



1. A. alpina, Hedw. (alpine Andraa) ; stems branched, 

 leaves obovate suddenly acuminated nerveless straight imbricat- 

 ing the stem on all sides. Hedw. Sp. Muse. p. 49. E. Bot. 

 t. 1278. Drum. Muse. Scot. v. 2. n. 1. Muse. Brit. ed. 2. p. 2. 

 t. 8. — Andrecea petrophila, Ehrh Dill. Muse. t. 83. / 39. 



Alpine rocks, but not very common. On Ben-Nevis, in the greatest 

 abundance and perfection. Fr. Spring. — Foliage of a deep and glossy 

 dark-brown colour. While the capsule is immature, Mr. Wilson ob- 

 serves the seeds to cohere in masses usually of 4, sometimes 3. 



2. A. rupestris, Hedw. (rock Andr&a) ; stems branched, 

 leaves ovate gradually acuminated nerveless the upper ones 

 falcate. Hedw. Sp. Muse. p. 47. t. 1 . f. 2. E. Bot. t. 1277, 

 (not of Fl. Brit.) Drum. Muse. Scot. v. 2. n. 3. Muse. Brit, 

 ed. 2. p. 2. t. 8. 



Rocky mountainous situations, throughout Great Britain. Fr. 

 Spring. — This has been often confounded with A. Rothii, from which it 

 is at once distinguishable by its broad and nerveless leaf, and usually 

 browner colour. It is much more allied to the preceding species, but is 

 considerably smaller. 



3. A. Rothii, Mohr, (black falcate Andrcta) ; stems almost 

 simple, leaves Lanceolato-subulate ralcato-secund fragile nerved 

 tli<»«' of the perichsetium convolute, the innermost nerveless. 



Mohr, Or. (,\rn,. p. 386. f. 1 I . f. 7— 9. E. Hot. t. 2162. 

 Drum. Muse. Scot. r. 2. n. '2. Muse. BriL ed. 2. p. 2. t. 8 A. 



rupestris, Roth,— -Brut — /•'/. Brit. p. 1178. DHL Muse. t. 88. 

 / 40. 



Alpine rocks, frequent. Fr. Spring. 



1 I'rom xk(«v, UlC summit, or i.rtnmiti/. ;m<l y.^-ra, i\\v fruit. 

 * Prom «, without, ami noyux, tin- mouth. 

 H 



