178 John Lewis Russell on the 
Muscol. Brit. p. 43. tab. 10. Brid. Bry. Univ. II. p. 102. 
Margin of brooks, Chelmsford ! Plymouth ! ; 
P. (Catharinea) angustatum. Brid. Sp. Musc. I. p. 79. 
Hook. Musc. Exot. tab. 50. Brid: Bry. Univ. II. p. 105. On 
moist, grassy banks. Common. Synonyms. P. (Catharinea) 
incurvatum. Mihi. Journal Essex County Natural History 
Society, p. 92 (where dele * Polytrichum levigatum Wahl.") 
— Polytr. controversum. Hedw. Sp. Musc. p. 98. Dill. 
Musc. tab. 46. fig. 19. Brid; Bry. Univ. II. p. 105. A va- 
riety, growing on decayed trunks of trees, and also on the 
ground in shady woods. Chelmsford ! 
— $$ Calyptra invested with filaments, Pouxrricuum; Auct. 
P. commune. (Linn.) Muscol. Brit. p. 46, tab. 10. Br. 
Fl. p. 49. Abundant in sunny pastures, and varying much gr 
size. 
_ P. piliferum. (Schreb.) Brid. Bry. Univ. II. p. 142. Mus- 
col. Brit. p. 44, tab. 10. Common on rocks; distinguished 
by its long, pellucid, hair-like, pointed leaves. 
P. Pennsylvanicum. Hedw. Sp. Musc. p. 96. Dill. Muse. 
tab. 55, fig. 12. Synonyms. Polytrichum boreale, Mihi, in 
Journ. Essex Co. Nat. Hist. Soc. p. 92, (a dwarf condition.) 
Pogonatum brevicaule. -Brid. Bry. Univ. Il. p. 144. 
This is a small species, with leaves closely appressed to the 
stem, and subject to much variation in the length of 1 
peduncle. Abundant on sandy soil, gravelly banks, = 
Chelmsford! Hingham! Finely in fructification amidst & 
thick stratum of pale green, confervoid filaments, (its primor- 
dial growth.) December. South Hingham ! 
J DiProrznisTowtr. 
(With double peristomes.) | 
Funaria hygrometrica.. Hedw. Sp. Musc. p- 
Musc. tab. 62. fig. 75. Muscol. Brit. p. 121. tab. 
burnt spots in woods; also by road sides, Chelmsford ! 
172. Dill. 
90. On 
In 
