218 oEOLoorcAi- suhvev ov canada. 



273. TOWNSENDIA, Hook. 



(1012.) T. florifer, <li.i\. 



/•;r»>T<))( (■.'), Horl/iT, Hook. I'l. II., L'O. 

 Stniotvii Jlori/n; Ton-. i*i (iray I'l. II., 238. 



l>i-\ rocky oi- i:;r;ivclly soil iilons;- tin- Milk Rivci- .mikI on Iho North 

 Rr:in.li of tiu> JSIoilli Fork of (Jir ( )M M;in K'ivcr :ill , r>^UU) (cot, 

 N.W.T. {Dcw^o),.) 



(loi:i) T. sericea, Hook. V\ 11., in. 



Af^lrr {'!) c.i'xcajm.'^, KirliMids. in I'ranUI. .loiirn., ?,2. 

 \'i(inil\ of I'^l^l ( 'arlioii on the Saskatclicw an. (JiirharJson.) Rare 

 upon the diy banks ol'theSaskatcliewan, and aiiioni;- flic Rock^' Moun- 

 tains. Lat. r)4^. {DriDnmnnd.) Rocky JMonulains. (^B our genu.) 



274. SERICOCARPUS ,Nees. (WHITE-TOPPED ASTER.) 



(1014.) S. solidagineus, Nees. 



Aster fioUdagineus, Miclix. Fl. 11., 108. 

 A. Kolidaginoideft, Pursh Fl. II., 543. 



Moist woodlands, Canada. (Torr. <£• Gray Fl. IT., 102.) Near Mon- 

 treal. (Cleghorn in Hooker.) We have no other record of thits species 

 anil L'onsider its occurrence within our limits very doubtful. (Macoun.) 



275. ASTER, Linn. (STAR-WORT. ASTER.) 

 (1015.) A. tanacetifolius, TTEK 



Macharanthera tanacetifolia , Nees. Hook. Bot. Mayc. t. 4624. 



On ai'id soil alont;- the Milk Eiver, near the south-western boundary 

 of the prairie region, rare. {Dawson.) 



(lOlG.) A. canescens, Pursh. 



Muchseratitliera canescens, Gra,y. IMacoun's Cat., No. 1109. 

 Dieleria canescens, Nutt. Torr. & Gray Fl. II., 101. 



On arid, ari^iUaceous soils in tlie south-western part of the 

 prairie region. South of Wood Mountain, in diy clay-bottomed valleys, 

 on sub-saline .soil. {Dawson.) On dry saline soil, where there is little 

 vegetation, around the Hand Hills, and along the Red Deer River to 

 the south of them. (Macoun.) 



