GRIMMIA. 121 



6. GiiiMMiA spiEALis, Hook. aiul Taylor. [Spiral-leaved 

 Grimmia.) Stems elongated, pulviiiate; leaves lanceolate^ 

 tapering into a diaphanous liair-like point, erect when moist, 

 spirally twisted when dry; seta curved; capsule ovate, 

 smooi\\.—Eng. Fl. p. 26; Milll. Spi.pt. I. p. 789. 



Alpine rocks, especially such as are dry and micaceous. 

 Caldron Snout and Falcon Glints, Durham; Ben Lawers 

 (abundant), and Clova, Scotland; Slemish Mountain, Ire- 

 land. Fr. September. Eocks in Teesdale, Durham, Spruce. 



7. Grimmia torta, Hornschuch and Nees. [Twisted- 

 leaved Grimmia.) Stems elongated, exceedingly densely 

 pulvinate, of a very soft texture ; leaves lanceolate, acumi- 

 nate, the upper ones scarcely piliferous, all of them remark- 

 ably spirally twisted when dry. 



Dry rocks at considerable altitudes on the Breadalbane 

 Mountains; plentiful, but always without capsules. Very 

 much in habit resembling G. spiralis, from which it is dis- 

 tinguished by its less rigid texture, and the rich brown 

 colour of its leaves, which are paler towards the points. 

 ■^■^■^ Seta exserted, straight. 



8. Grimmia leucoph^a, Grev. [Hoar?/ Grimmia.) 

 Stems rather short, tufted ; leaves elliptical, very hoary, 

 with long piliferous points; seta a little longer than the 



