130 SYNOPSIS OF BRITISH MOSSES. 



outer 8 short, recurved teeth, inner 8 yellowish cilia, 

 often absent. Dioicous. 



Trees. May. 



Scotland, Ireland, England. 



2. Inner peristome persistent. 



252. Z. Forsteri, Bichs. St. | — i inch, densely 

 tufted, with whitish radicles. L. erecto-patent, elliptic- 

 lanceolate, nerved to apex or slightly excurr en t, areolae 

 hexagonal (not, as in all the previous ones, dot-like), 

 oblong and diaphanous at base. Caps, pyriform, striate, 

 lid with a long, inclined beak. Perist. outer 8 acute, 

 bigeminate teeth, inner 8 alternating cilia. Monoicous. 



Trees. Rare. May, June. 



South of England. 



253. Z. Noweim, Sehp. (gracilis, WHs. MS.). St. 1 

 inch or more, tufted, branched. L. patent, recurved, 

 lower elliptic-lanceolate, upper from an oblong, con- 

 cave base, narrowly lanceolate, twisted when dry, with 

 plane margins, and denticulate near the apex, areolae 

 close and punctate above, large and pellucid below, 

 nerve thin, hispid at back. Caps, oblong-cylindric, 

 striate, lid rostrate. 



Old walls. 



Malham (J. Nowell), in fr., September, 1866; 

 Littondale. 



Fam. 4. Orthotrichese. 



45. ULOTA, Mohr. 



a. Bepentes. 



St. creeping. L. scarcely crisped when dry. 



254. TJ. Drummondii, Greville. L. linear-lanceolate, 

 from a narrow, ovate base, blunt-pointed, scarcely 

 crisped, margin hardly recurved. Caps, obovate- 



