252 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Hybrids of Salix. 
S. alba X fragilis. — Watercourse, Pittsfield (Schneider); Lenox 
(Schneider). 
S. Candida X rostrata. — Calcareous swamp, Richmond (Evans, 
Fernald and Kncnvlton). 
S. Candida X petiolaris. — Monterey; Sheffield. 
S. cordata X rostrata. — ^ Florida. 
S. cordata X Candida. — Stockhridge. 
S. discolor X rostrata. — Florida. 
S. petiolaris X sericea. — Egremont. 
The fi^■e last hybrids in the above list have been determined by Mr. 
F. F. Forbes. 
MYRICACEAE. S\^^ET GALE FAMILY. 
MYRICA. 
M. asplenifolia L. Sweet Fern. — {Comptonia peregrina 111. Fl. 
ed. 2.) 
Dry hills and borders of woods; common in the valley. 
M. Gale L. Sweet Gale. — ■ Borders of ponds and bogs, and in 
swamps; common. 
var. subglabra (Chevalier) Fernald. — Altitude 2000 feet, Guilder 
Pond, Mt. Washington. 
Leaves glabrous or glabrate throughout. In the type the leaves are 
more or less pubescent, at least on the veins beneath. Vid. Rhodora, 
16: 167 (1914). 
JUGLANDACEAE. WALNUT FAMILY. 
CARYA. Hickory. 
{Hicoria 111. Fl. ed. 2.) 
C. cordiformis (Wang.) K. Koch. Bitternut. — Dry woods; 
frequent in the valley. 
C. glabra (Mill.) Spach. Pignut. — Hillsides; frequent in the 
valley. 
C. ovata (Mill.) K. Koch. Shell-bark or Spla.g-bark Hickory. — 
Rich woods, open hillsides; common in the valley. 
