2G VERMONT MOSSES. 



6. — Costa extending to apex. 7. 



Costa ending below apex. 9. 



7. — Leaves acuminate. 8. 



Leaves not acuminate, ovate to obloug-lanceolate. fluviatile. 



8.— Basal cells abruptly enlarged. irriguum. 



Basal cells not enlarged. varium, 

 9. — Leaves reflexed-squarrulose. ■ chrysophyllum. 



Leaves open-erect. 10. 



10. — Cells near middleof leaf 10-15:1. riparium. 



Cells near middle of leaf less than 8:1. serpens. 



A. adnatum (Hedw.) Jaeger & Sauerb. On rocks and base of trees in 

 shady places. Springfield, Johnson, G.; Hinesburgh, P.; Peach- 

 am, BL; Brattleboro, Ft. 



A. chrysophyllum (Brid. ) De Not. On stones and base of trees in moist 

 places. Monkton, P.; Brattleboro, Fr.; Burlington and Manches- 

 ter, G.; Waverly Cascades, B. 



A. confervoides (Brid.) Br. & Sch. Swamps, Charlotte, P.; Rattling 

 Brook, Willoughby, F. 



A. fluviatile (Swtz. ) Br. & Sch. On rocks in cold brooks. Mt. Mansfield 

 and Charlotte, P. 



A. hispidulum (Brid.) Grout. On dead limbs of trees. Brattleboro, Fr.; 

 Roaring Brook, Willoughby Lake, F.; Underhill Notch, G.; Monk- 

 ton and Charlotte, P. 



A. irriguum (Hook. & Wils. ) Br. & Sch. Rocks in bed of brooks. 

 Peacham, BL; Williamstown Gulf, F.; Bi-attleboro, Fr. In Gray 

 Herbarium as A. varium var. 



A. Lescurii (Snlliv. ) Aust. Brattleboro, Fr. In the Gray Herbarium. 

 Vide Sullivant in Icones Muscorum. 



A. riparium (L. ) Br. &. Sch. On stones, roots of trees and rotting wood, 

 in swamps and also growing in water. Charlotte and Monkton, 

 P.; Barnet, BL; Ferrisburgh, F. 



A. serpens (L. ) Br. & Sch. On decayed stumps and muddy shores 

 Johnson and Newfane, G.; Brattleboro, Fr.; Mt. Hor, F. 



A. stellatum (Schreb. ) Lindb. Willougliby Cliffs, P. 



A. varium (Hedw.) Lindb. (.1. o?-^/io(7r/(/fm L. & J., non Beauv. ) Owl's 

 Head ]Mt. and Eagle Cliff, Lake Memi)liremagog, F.; Brattleboro, 

 Fr. 



