180 LEAFLETS. 



Various New Species. 



Peta SITES viTiFOLiA. Leaves large, broadly cordate ovate, 

 6 inches broad across the deeply cordate base, 8 inches long, sub- 

 incisely and deeply 5 -lobed, the one terminal and two basal lobes 

 with coarse triangular teeth or secondary lobes, the others suben- 

 tire, lower face of leaf thinly and only hoarily floccnlent : fruit- 

 ing raceme 4 inches long, rather dense, the large heads on slender 

 pedicels : flowers and young foliage not seen. 



Emerson, Manitoba, 10 June, 1880, Mr. John Macoun ; type 

 specimens in U. S. Herb., the label without specific name ; the 

 cut of the large leaf intermediate between that of P. palmate 

 and P. sagittata in configuration like that of the grape leaf in 

 general. 



Pbtasites tbigonophylla. Leaves not large, about 4 inches 

 long, nearly or quite as wide in the middle, of a peculiar trian- 

 gular outline and consisting of a terminal part not larger, even 

 smaller now and then, than either of the two subhastate or sub- 

 sagittate-basal lobes, all three primary subdivisions deeply and 

 incisely cut into triangular secondary lobes and these entire or 

 toothed, upper face of leaf deep green and whitish-veiny, the 

 lower thinly white-tomentose: scapes stout, covered with imbri- 

 cated lanceolate bracts usually ending in a small trifid blade : 

 heads many, small, subcorymbose. 



Wet meadows, Carlton Co., Minnesota, May and June, 1891, 

 J. H. Sandberg, as in U. S. Herb. 



BuTHAMiA HiRTBLLA. Growing in colonies; stems a yard 

 high from rootstocks, striate-angled, hispidly hirtellous : leaves 

 ascending, lance-linear, 3 to 4 inches long, faintly strigulose 

 above, beneath almost hispidulous along the veins, the margins 

 serrulate-scabrous : branches of corymbose summit fastigiatej 

 strongly hispid-hirfcellous : heads subsessile in glomerules of 3 

 or more, the whole formed into a nearly flat-topped dense corymb : 

 involucres turbinate, their bracts hardly acute, the short outer 

 ones green-tipped. 



At present known only from northern Indiana, as collected by 

 myself at Lakeville, 29 Sept., 1903, and by Mr. 0. C. Deam in 

 Wells Co., 27 Aug., 1905. In characters approaching E. NutU 



