244 HEnl.ncaeAl, SIRVKV or CANADA. 



ri't'iT to ilu' iMilim'iiuiis liiriii. ( )ii .-irid soil. S;isk:itrlir\v:iii. (^Driim- 

 momi.) \vAuk of .MooM- Jaw (.'n-rU on arid day. (JAnvw/j.) Wliito 

 Mud lki\ fi- or l"'rriiiliiiiairs ( V«'rl<, li'lli jparallcl. {/^turaon.) Almii- 

 (laiil ill llif dry iiiU'rior of l>iiti>li <'oliiinliia, aloiii;- llu' 'riioin|)soii 

 l{iv.T. {h'ht'hcr d- 11,11.) 



(113(5.) H. petiolaris, Nnii. 



K}\\ arid -oil alon^- >lrcain- in llir mhiIIi wc-IcI'ii pari of llic [irairio 



region, from tin' I'llliow of the Soiilh SasKntclicw an wc'stward. 



(^l/(j«'0»//.) Aloiiii' r.i'll\ IJivt'i. Sandy I tank, Wood Isnd on Souris J-Jivor, 

 r.Mli |.aialU'l. {Biiirson.) 



(ll."?.) H. rigidus, \h>\: \ar. /I Ton. \ (iiay. 



//. <ilwnil>,HS. llnok. I'l. I., :WJ. 



IMaiiis and liias.sy jii-airios. Jianks ol the Siiskntehewan as far us 

 Edmonton. (Drhnnitnnd.) From llie Eed l^ivcr to tlu' Ro(d<y Moun- 

 tain.-, on the r.'lli |)arallel. (l><(irs<m.) N ery common througliout the 

 whole prairie legion. {Manmn.) 



(1138.) H. Nuttallii, Toit. & Gray Fl. IT., 324. 



Ondr}' open prairie, often conlonmlcd willi small foiins of llio next. 

 Soxitli of Battlefoid and iieai- tlie Uand IJiils. Also, west of Hum 

 boldt Telegraph Station. (Jlacoun.) Boav Kivei- valley at Cal<;ai'i'y. 

 (J. M. 2Iacoim, C. P. H. Coll.) Turtle Mountain, 40th rarallel. {Daw- 

 son.') Interior of British Colunihia, (Graij.) 



(1139.) H. giganteus, Linn. 



Grassy thickets and borders of marshes. Vicinity of Hamilton, Ont. 

 {Logie.) Cayuga and Maiden, Ont. {Macla<jan.) Common at London, 

 Ont. (Burgess.) Coldstream, Poi-t Colborne, Ont. {McGill. Coll- 

 Herb.) Marshy meadow at Point Edward near Sarnia, also in numer. 

 ous places along the Great Western Railway, between Sarnia and 

 Hamilton. Ver}' abundant on the j)rairie region from the Lake of the 

 Woods to the Eocky Mountains, and northward to the forest line. 

 {Macoun.) 



(1140.) H. StrumoSUS, Linn. 



Dry, gravelly soil quite common in Hastings and Northumberland 

 counties, Ont. (Macoun.) Fields around Hamilton, Ont. (.Logic.) 

 Strathroy, Ont. (McGill. Coll. Herb.) Vicinity of London, Ont. 

 (Burgess.) A variety of this species was collected somewhere in the 

 Xorth-West by Bourgeau. See Pal User's Report, page 258. Possibly 



