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 Knowlton). 



S. Candida X petiolaris. — Monterey; Sheffield. 



S. cordata X rostrata. — Florida. 



S. cordata X Candida. — Stockbridge. 



S. discolor X rostrata. — Florida. 



S. petiolaris X sericea. — Egremont. 



The five last hybrids in the above list have been determined by Mr. 

 F. F. Forbes. 



MYRICACEAE. SWEET GALE FAMILY. 

 MYRICA. 



M. asplenifolia L. Sweet Feen. — {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. HiCKOKY. 

 {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 Shag-bark Hickory. — 

 Rich woods, open hillsides; common in the valley. 



