No. II.] THE BRYOPHYTES OF CONNECTICUT. 1 55 



Exsic. Grout, N. Amer. Musci Pleuro. No. 317 (as 

 Amblystegium confcrvoides) . 



Amblystegiella adnata (Hedw.) Nichols. Hypmun 

 adnatum Hedw. Amblystegium adnatum Aust. 



On rocks and at the base of trees in the woods. Autumn. 

 Litchfield : SaHsbury, Nichols. Fairfield : Danbury, 

 Nichols; Darien, Mrs. Lowe. New Haven : East Haven, 

 Eaton; Meriden, Nichols; New Haven (1875), Eaton; Wood- 

 bridge, /. A. Allen. New London: New London, C. B. 

 Graves. 



New Brunswick to British Columbia, south to North Caro- 

 lina and Texas ; A^ia. 



Ref. Eaton, 15, 67. 



Amblystegium Br. & Sch. 



1. Leaves with a distinct border, rriidrib joining border at 



apex A. Lescurii 



Leaves not bordered 2 



2. INIidrib extending nearly or quite to apex 3 



Midrib disappearing at the middle or above 6 



3. Leaves not acuminate, apex blunt A. fluviatile 



Leaves acuminate, apex acute 4 



4. Basal cells abruptly enlarged A. irriguum 



Basal cells not enlarged 5 



5. Midrib ceasing below apex, 0.024-0.035 mm. wide at base. . 



A. varium 

 Midrib commonly strong, excurrent, 0.065-0.225 mm. wide 

 at base A. noterophilum 



6. Cells near middle of leaf 10-15 times as long as broad. . . .' 



A. riparium 

 Cells near middle of leaf 8 times as long as broad, or less. . 7 



7. Alar cells quadrate or transversely elongated A. serpens 



Alar cells oblong 8 



8. Stem leaves 0.9-1.2 mm. long A. Juratzkanum 



Stem leaves i. 2-1.6 mm. long A. Kochii 



Amblystegium serpens (L.) Br. & Sch. Hypniim ser- 

 pens L. 



On the roots and at the base of trees, on decaying logs, 

 soil, and rocks in moist vv-oods. Early summer. Litchfield: 



