WEISSIET. 295 



Forming brownish-green patches. Stems elongated ; leaves 

 slightly incurved when dry, scarcely twisted, more acute than 

 in the last ; leaf-cells distinct, subquadrate, gradually elon- 

 gated downwards ; the marginal cells above slightly granu- 

 lose ; lid very long ; sporangium with a red shining orifice. 



** Monoicous ; leaves crisped when dry; margin incurved 



or plane. 



a. Spore-sac united to the top of the columella. 



4. S. squarrosum, Nees fy Hornsch. ; loosely tufted ; leaves 

 squarrose, linear-lanceolate, mucronate from the excurrent 

 nerve, crisped when dry ; margin plane ; sporangium elliptic 

 or ovate, exserted ; fruitstalk rather short ; lid acutely beaked. 

 — Hook. fy Wils. t. xxxviii. ; (Plate 24, fig. 7) ; Moug. fy Nest, 

 n. 906. 



In clayey fields and on banks. Lancashire and Cheshire. 

 Bearing fruit in autumn and winter. 



Forming deep-green patches. Stems forming innovations 

 from the procumbent plant of last year ; spores opaque, brown ; 

 leaf-cells compact, minute above, gradually larger below. 



Distinguished from G. microstomum by the plane margin 

 and excurrent nerve. 



5. G. microstomum, Hedw. ; densely tufted; leaves elon- 

 gato-lanceolate, crisped when dry ; nerve excurrent ; margin 

 incurved ; sporangium exserted, elliptic ; mouth contracted ; 

 lid rostrate. — Hook, fy Wils. t. vii. ; Eng. Bot. t. 2215. ; {Moug. 

 fy Nest. n. 608.) 



On clayey or sandy soil. Bearing fruit in spring. 



Forming dull-green patches. Stems short, fastigiate ; leaves 

 spreading, recurved below, incurved above ; lid conical or 

 rostrate ; leaf-cells as in the last. 



Varying in size, length of leaves, form of sporangium, and 

 inclination. 



