Mosses of Eastern Massachusetts. 187 
Brit. p. 160, tab. 24. Not Hypnum conferva, Schwaegr. 
Near Marblehead ! Dall 
H. moniliforme. (Wahl.)- Muscol. Brit. p. 159, tab. 24. 
On dry rocks. Hingham! j 
H. abbreviatum. Hedw. Sp. Musc. p. 249, tab. 45, fig. 
1-4. In wet situations, on roots of trees, and in crevices of 
rocks. Fruit in November. Hingham! 
H. cordifolium. (Hedw.) . Brid. Bry. Univ. II. p. 565. 
Muscol. Brit. p. 179, tab. 96. Synonym: Hypnum phyllo- 
rhizans, (Pal. de Beauv.) fide Brid. Op. cit. Vicinity of 
Boston, B. D. Greene! Also about Hingham! Obs. The 
leaves vary in shape, and frequently throw out roots at their 
tips. ! 
H. triquetrum. (Linn.) Br. Fl. II. p. 91. Drummond’s 
Musci Americani, No. 182. Dill. Musc. tab. 38, fig. 98. 
On shady hillsides. Fruit in May. Chelmsford! Hingham! 
Ipswich! Also finely in fruit at Mount Auburn, Cambridge! 
H. fluitans. (Linn.) Br. Fl. II. p. 93. Dill. Musc. tab. 
» Hg. 33. In a small brook, Chelmsford ! 
H. cupressiforme. (Linn.) Muscol. Brit. p. 189, tab. 97. 
Br. Fl. IL p. 95. Dill. Musc. tab. 37, fig. 23; and tab. 36, 
fig. 22; and tab. 41, fig. 53. A most common speciés, on- 
rocks, trees, &c. and liable to very many varieties. Fruit in 
-AnUary. Chelmsford! ‘Hingham! Ipswich! On the liv- 
ing trunks of red cedar, (Juniperus Virginiana,) and of the 
hemlock-spruce, (Pinus Canadensis, L.) it produces most 
elegant, slender ramuli of more than. 12 inches length, and 
Without fructification ; in which “condition. it becomes the 
H. cupressiforme var. 9 filiformis, Brid. Bry. Univ. IL. p- 
Qo OF var. y tenue, Muscol. Brit. l. c. Of this variety- 
I have found large specimens of much beauty in Hingham! | 
: Serrulatum. (Mubl., Hedw.) Hedw. Sp. Muse. p. 
735, tab. 60, fig. 1-4. Brid. Meth. p. 154. —Bry. Univ. 
Il. p. 390. Grassy banks, in the shade, Duxbury! Woods, 
Hingham | Chelmsford! Also Manchester, Oakes ! 
H. eurvifolium. (Muhl., Hedw.) Hedw. Sp. Musc. p. 
