404 Canadian Record of Science. 



Daphne Mezereum, L. — Daphne — Several places in 

 Mountain Park — May. 



Euphorbia commutata, Engelm. — Spurge — Field near 

 Bagg's Woods — rare — July. 



Celtis occidentalis, L. — Sugarberry, Hackberry — 

 Lower Lachine Koad — a great colony of large trees on 

 north end of St. Helen's Island — May — (Holmes.) 



Urtica urens, L. — Nettle — common — wrongly des- 

 cribed as urtica gracilis, in former catalogue, though urtica 

 gracilis is occasionally found — August. 



Bcehmeria cylindrica, Willd. — False nettle — vacant 

 field off St. Antoine street, St. Henri, Verdun — July. 



Carya porcina, Nutt. — Pig nut Hickory — McGill 

 College grounds — June. 



Betula lutea, Michx. — Yellow birch — Mountain Park, 

 McGill College grounds — May.. 



Salix nigra, Marsh. — Black willow — very common — 

 May. 



Salix lucida, Muhl. — Shining willow — very common 

 —May. 



Salix fragilis, L.— Crack willow — introduced into 

 Mountain Park — May. 



Salix rostrata, Eichardson. — in former catalogue, 

 salix livida var. occidentalis — very common — May. 



Pinus resinosa, Ait. — Eecl Pine — an occasional tree on 

 the island — August. 



Sparganium eurycarpum, Engelm. — Large Bur-reed — 

 Pointe-aux-Trem bles — September. 



Spiranthes cernua, Bichard. — Ladies' tresses — Bagg's 

 Woods — July. 



Epipactis Helleborine, Crantz. — This European 

 orchid was discovered on Mount Eoyal Park in 1894 by 

 Mr. H. B. Cushing — previously reported in Gray's 6th 

 edition as near Syracuse and Buffalo, N.Y., the only 

 known stations — July. 



