Mosses of Eastern Massachusetts. 185 
roots of trees, with both ripe and immature capsules. ^ De- 
cember. Hingham! Plymouth! 
“L. imbricatula. Hedw. Sp. Muse. l. c. t. 52, fig. 1-6. 
Brid. Meth. l. c. — Bry. Univ. p. 298. Abundant on trunks 
of trees, twigs; and pieces of wood, very near to streams. 
Hingham ! 
L. gracilescens. Hedw. Sp. Musc. p. 222, tab. 56, fig. 
Op. cit. II. p. 74.  — Bry. Univ. Il: p. 314. Ipswich, from 
+E attenuata. (Schreb.) Hedw. Op. cit. p. 230. Dill. 
Muse. tab. 42, fig. 66. Brid. Meth. p. 147. — Bry: Univ. p. 
817. Among jungermannie and lichens on bark of fruit- 
trees. Chelmsford ! 
E. Outer peristome of 16 teeth; inner, of a membrane 
cut into-16 equal segments, with filiform processes between 
Hxrxvw riparium. (Linn.) Muscol. Brit. p. 152, tab. 94. 
D ill. Muse. tab. 40, fig. 44, x. Growing on stones in brooks. 
Fruit in December. Hingham! Chelmsford ! E 
— H. salebrosum. (Hoffm.) Brid. Bry. Univ. IL. p. 477. 
On grassy banks, among rocks, and in pastures. Common. 
Hingham! Salem! &c. 
H. polyantha. (Hooker.) Muscol. Brit. p. 164. Suppl. 
| Tab. 5. Br. Fl, p. 82. (A Leskea?) In young fruit, De- 
“mber. Hingham | i C. B 
H. | rum. (Linn.) Muscol. Brit. p. 168, tab. 25, 
Brid. Meth, p. 164, . Bry. Univ. Il. p. 444. Common 
bon bushes in very wet situations, or near brooks. Hing- 
H. splendens. Hedw. Sp. Muse. p. 262, tab. 67, fig. 6-9. 
Muscol, Brit. p. 170, d Dill. Musc. tab. 35, fig. 13. 
YOL, y, 13 
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