160 MASSACHUSETTS HORTICULTURAL SOCIETY. 



Padlovnia. — imperialis. Not hcird}'. 



Pavia. — Generally hardy. 



Platanus. — Both species of Plane Tree are hard}-. 



PopuLUS. — All Poplars are hardy. 



Ptelea. — tn'jhiiata. Killed. 



Pyuus. — All the Apples, Crabs, Service trees and Mountain Ashes 



have proved hard3\ 

 QuERCus. — All the American Oaks have stood well, but the Eng- 

 lish and Turkey Oaks, both in species and varieties, 

 are killed or badly injured. 

 RoBiNiA. — The Locusts are hardy. 

 Salix. — Weeping Willows, both Kilmarnoc and Babylonica have 



had the young wood killed ; other species generally 



uninjured. 

 SoPHORA. — japonica. Hardy*. 



" " pendala. Young wood somewhat killed. 



TiLiA. — The Lindens are hardy. 

 Ulmus. — The Elms are uninjured. 

 ViRGiLiA. — lutea. Perfectly hardy. 

 Arundinaria. — japonica. Killed. 

 AuBUCA. — Tender. 

 Berbeuis. — aquifolium {Makonia). Foliage gone. 



r. atropuipurea. Hardy. 



Fortunei. Killed. 

 Buxus. — All the Boxes have stood uninjured without protection ; 



the foliage is usuall^"^ injured. 

 Calycanthus. — Killed to ground. 

 Ceanotiius. — Killed to ground. 

 Cercis. — The Judas Trees are hard}'. 

 CmoNANTiius. — (Fringe-tree) Hardy. 

 ChETiiRA. — Hard}'. 

 COLUTEA. — Killed to ground. 

 CoMPTOKiA. — Hardy. 

 CoRNUs. — Hardy, except C. mascula variegata, which is badly 



killed. 

 CoRYLUS. — Hardy. 



CoTONEASTER. — Generally killed to the ground. 

 Crataegus. — pyracantha. Both the red and white berried varieties 



are killed to tlie ground. 

 Ctdonia. — All the Quinces have stood well. 



