No. 11.] THE BRYOPHYTES OF CONNECTICUT. 169 
south in the west to Utah; Europe; Asia; Africa; New Zea- 
land. 
Hygrohypnum (Lindb.) Loeske 
1. Leaves suborbicular; alar cells yellow; midrib faint, short, 
LULCALE Lac Stay eae Re hae Caan nese ee Sake H. dilatatum 
2. Dioicous; alar cells hyaline or yellowish; midrib reaching 
middle of leaf or beyond, simple or furcate; perichetial 
leaves not plicaté o2scicnsscsanes cs wenn cowed H. ochraceum 
Monoicous; alar cells golden yellow to yellow-brown, 
rarely hyaline; perichetial leaves plicate................ 3 
3. Midrib absent, or short and furcate................00-00- 4 
Midrib single, reaching above middle of leaf...... H. palustre 
4. Leaves broad (2:1), minutely serrulate to the base........ 
H. Mackayi 
Leaves narrower (3:1), serrulate only at the apex.. ...... 
H. eugyrium 
Hygrohypnum palustre (Huds.) Loeske. Hypnum pal- 
ustre Huds. 
Wet and periodically overflowed stones and rocks, usually 
calcareous. Summer. New Lonpow: Montville (1894), C. B. 
Graves. 
Canada and the northern United States; Europe; Asia. 
Hygrohypnum dilatatum (Wils.) Loeske. Hypnum 
molle of some authors. 
On non-calcareous rocks and stones in rapid mountain or 
hill brooks. Summer. Litcurietp: Salisbury, Nichols. 
FairFIELD: Darien, Mrs. Lowe. New Haven: Ansonia 
(1880) and Woodbridge, O. D. Allen. 
Arctic America and Canada, south to North Carolina and 
Colorado; Europe; Asia. 
Hygrohypnum eugyrium (Br. & Sch.) Loeske. Hypnum 
eugyrium Schimp. 
On wet non-calcareous rocks in or near mountain or hill 
brooks. Summer. LitcHFIELD: Salisbury, Gilman. NEw 
Haven: Beacon Falls, Nichols; Hamden (1878) and Wood- 
bridge, J. A. Allen. 
