:>l!^ (iK.nl.otilcAl, SIIKVKV oh' I'ANADA. 



V;ir. puniilum, <ii:iy. 



A v»M-\ low ;ui<l |)('iiili:ii" louiul-loHVod Ibi-in which cxtoiultJ iiorih- 

 \v;inl lo tlu' KonltM-s ol" Hrilish CoIimil>i:i. {Oniy.) 



(Ut»:{.) A. cannabinum, Linn. Iii<li:iii lli'inp. 



Tliis s|KH'ios ii;is iicaily ihc siiinc i:iii^c as Ihr last and Lhc torms 

 vai'\- iii>i a> miH'li. 'riirco forms of (his spocics are likcwiso I'ecogiiisod. 



Var. pubescenSy 



,1. jillli, sr, iis,'\\)VVV\ I'l. I., L'7<>. 



Ill the blown sand along the shore ol' Lake Erie at i'oiuL Pelec. 

 (Macoun.) Possihly not uncommon. 



Var. glaberrimum, DC. 



This, wi' take, us the common eastern form. All our specimens from 

 the oltler provinces are of this ty]ie. 



Var. hypericifolium, Gray. 



A. hypericifolium, Ait. Hook. Fl. II., 52. 



Throughout Canada to the Saskatchewan. (Drummond.) Frequent 

 in grassy thickets from Manitoba to the Eocky Mountains and British 

 Columbia. All the forms of these two species should be collected and 

 examined, so that we may be enabled to speak decisively of their dis- 

 tribution. 



LXIII. ASCLBPIADACB.E. 



391. ASCLEPIAS, Linn. (MILKWEED. SILKWEED.) 



(1464.) A. tuberosa, Linn. Pleurisy-root. 



Abundant in llic vicinity of Belleville and westward towards Tren- 

 ton, Ont. ; Eice Lake Plains and northward into Peterboro' and 

 Victoria counties. (Macoun.) Flamboro' near Hamilton, Ont. {Logie.) 

 Niagara Falls and Maiden. {Maclagan.) Vicinity of London, Ont. 

 (Burgess.) Lake Huron. {Dr. Todd.) Whirlpool, Niagara Elver, and 

 at Strathroy, Ont. (McGiU Coll. Herb.) 



(1465.) A. incarnate, Linn. Swamp Milkweed. 

 A. amccna, Willd. Pursh. Fl. I., 181. 

 In marshes and ditches quite common in Ontario. Keswick Valley, 

 N.B. {Prof. Bailey.) Low^er Norton and Hammond Eiver, N.B. 

 (^Brittain.) Charlotte County, N.B. ( Vj'oom.) Abundant from Quebec 

 -westward to Owen Sound. (Macoun.) Lake of the Woods. (Dawson.) 

 Throughout Canada to the Saskatchewan. (Drummond.) 



