CAMPTLOSTELITJM — BEACHTDONTIUM. 87 



exsertedj areolsB dense, rectangular. Caps, elliptical; 

 subcernuous, on a long seta, unsymmetrical, lid with a 

 long beak. Male fl. at base of female plant. 



Limestone rocks and stones. , June. 



Chalk Downs, Sussex, Mr. Mitten ; near Wetherby, 

 1801 (Dicksou) ; Surrey ; Kent. 



il5. S. calcarea, B. and S. St. short, more robust 

 than No. 111. L. ovate-subulate, obtuse, dull green, 

 with a thicker nerve. Caps, turbinate, shortly beaked, 

 on a short, stiff seta. Perist. teeth broader, obtuse, 

 closely barred. 



Chalk cliflfs. April, May. 



Kent, Sussex, Surrey, Beds. 



116. S. recurvata, B. and S. St. minute, gregarious. 

 L. lanceolate-subulate, somewhat flexuose, acute, nerve 

 excurrent generally. Caps, obovate, elliptical, seta 

 curved, drooping. 



Sandstone rocks. Rare. April, May. 



Fam. 2. Braohydontae. 

 23. CAMPYLOSTELIITM, Bruch. and 8. 



117. C. saxicola, B. and S. Minute. L. elongate, 

 linear-lanceolate, crowded, entire, twisted, nerved 

 nearly to summit. Caps, elliptical, drooping, on a 

 geniculate pedicel, annulus double. Calyptra 5-cleft 

 at base. 



Sandstone rocks. Rare. November. 



24. BEACHYDONTIUM, Bruch. {Brachyodus, Nees, 

 ed..l). 



118. B. trichodes, JV^. and H. Very minute. L,. 

 lanceolate-subulate, almost setaceous, erect, with an 

 excurrent nerve forming half the leaf. Caps, cylindric, 



