502 



Zizia cordata (Walt.) Kocli, (icii. Trib. PI. Umb. 129 (1825); Smyrniiim cordatum 

 Walt. Fl. Ciir. 114 (1788). 



This is tbo Tha><pii(m tri/oliatiim of Newton «.t Jeniuy's Report. 



C'ustiT, altitude l,(i.")0 111., June 2; Little Klk Canyon, altitude 1,1(M) iii., June 28; 

 Klk Canyon, altitude 1,2U0 m., June 29 (No. 721). 



Berula erecta (Hud?.) Coville, Contr. Nat. Herb. i\ , 115 (1893) ; Siinn erectum lluda. 

 Fl. Au<,'l. in.S (1762). 



Hot Sprinj^s, altitude 1,050 in., Au-^ust 10 (No. 722). 



Cicuta virosa maculata (L.) Coult. A Kose, Rev. T^nib. 130 (1888); Cictila macii- 

 lala L. Sp. ri. i, 2.".li (^n.")!?). 



Little Elk Canyon, altitude 1,100 m., June 28 (No. 723). 



Osmorrhiza nuda Torr. Pac. R. Rep. iv, 93 (1856). , 



Elk Canyon, altitude 1,300 ni., June 29; Lead City, altitude 1,600 ni., July 6 

 (No. 724). 



Osmorrhiza aristata (Thunb.) Rydberg, ]?ot. Surv. Neb. iii, 37 (1894); Charophyl- 

 him aristatitm Thunb. Fl. Jap. 119 (1784); O. lom/htylia DC. Prodr. iv, 232 (1830). 



Elk Canyon, altitude 1,200 m., June 29; Lead City, altitude 1,600 m., July 6; Hot 

 Springs, altitude 1,100 m., (No. 725). 



Cymopterus montanus Torr. &, Gr. Fl. i, 624 (1840). 



In fniit only: Hot Springs, altitude 1,100 m., June 14 (No. 726). 



Cymopterus acaulis (Pur.sh) Kydberg, IJot. Surv. Neb. iii, 38 (1894); SeUnutn 

 atfl i(/t'Pursb, Fl. ii, 732 (1814); Thnpsm (jhmerata Nutt. Gen. i, 184 (1818). 



Only one specimen, collected -while the train stopped at Edgoniont, altitude 

 1,053 m.. May 27 (No. 727). 



Peucedauum villosum Nutt. ; "Wats. Bot. King Surv. v, 131 (1871). 



Very coninion around Hot Springs, altitude 1,100 m., June 13 (No. 728) 



Pastiuaca sativa L. Sp. PI. i, 262 (1753). 



Escaped, along Rapid Creek, 6 miles above Rapid City, altitude 1,100 m., July 25 

 (No. 729). 



Heracleum lanatum Mx. Fl. Bor. Anier. i, 1(56 (1803). 



Rapid Creek above Rapid City, altitude 1,100 m., June 25; Little Klk, altitude 

 1,100 m., June 28 (No. 730). 



Sanicula canadensis L. Sp. PI. i, 2.35 (1753). 



Elk ( anyon. altitude 1,200 m., June 29; Lead City, altitude 1,600 ui., July 6 

 (No. 731.) 



ARALIACEiE. 



Aralia nudicaulis L. Sp. PI. i, 274 (1753). 



Little Klk Canyon, altitude 1,200 m., .Mine 28; Elk Canyon, altitude 1.300 m., 

 June 29; Lead City, altitude 1,700 m., July 6; Custer, altitude 1,600 in.. August 15 

 (No. 732). 



At one jilace in Little Elk Canyon all specimens dillcrod from tbo usual form in 

 being lower, tlie leaves being only 2 dm. or less long, while in the ordinary form they 

 are 3 dm. ; the umbels 1 to 4 on erect branches (in the ordinary form they are more 

 or less spreading) ; tlowers larger and blooming before the leaves are fully developed. 

 (No. 733). 



CORNACE^. 



CoruuB cauadensis L. Sp. I'l. i, 118 (1753). 



Lead City, altitude 1,»)<K) m., .Inly 4; Sylvan Lake, altitude 2,<K)0 m., August 17 

 (No. 734). 



Cornus baileyi Coult. A: Evans, Hot. Gaz. xv, 37 (1890). 



I r< 1. T tliJN litre witli iloubt, as I did not see it in fruit. Tlie pubescence of the 

 peduncles is woolly, and that of the lower surface of the leaves is more or less mixed 



