525 



Allium reticixlatum Don, Mem. Wern. Soc. vi, 30 (182(i-1831), 



Edgemont, altitude 1,050 m., June 13 (Xo. 1037). 



Leucocrinum montanum Nutt. ; Gray, Ann. Lye. X. Y. iv, 110 (1837). 



Common around Custer, altitude 1,600 to 1,700 m., ISIay 30 (No. 1038). 



Polygoiiatum biflorum commutatum (Koem. A: Schult.) Morong, Bull. Torr. 

 Club, XX, '180 (1893); ConvaJIaria commutata Rocni. A: Scliult. Sy.st. vii, 1071 (1830). 



Lead City, altitude 1,600 m., July G (No. 1039). 



Vagnera aniplexicaulis (Nutt.) Greene, Man. Lay Tve<;-. 316 (18!M); Sniildcina 

 anqitejUaitlis Nutt. Jouru. Acad. Phila. vii, 58 (183-1). 



Wooded hilLside: Lead City, altitude 1,600 m., July 6 (No. 1010). 



Vagnera stellata (L.) Morong, ]\Iem. Torr. CluT>, v. Ill (1894) ; ('(mralho-'ut sicllata 

 L. Sp. I'l. i, 316 (1753). 



Rare: Klk Canyon, altitude 1,200 m., June 29 (No. 1042). 



A form with narrower, conduplicate leaves and s]i,u;litly longer pe<licels, corre- 

 sponding to Unifolium lUlaceiim Greene, was also Cound. Hot .Springs, altitude 1,100 

 m.. June 11 (No. 1041). 



Unifolium canadense (Dcsf.) Greene, Bull. Torr. Club, xv, 287 (1888) ; ^^aianihcmu)n 

 C(tit(ideiisis Desf. Ann. ]\Ius. Par. ix, 54 (1807). 



In shady woods: Little Elk Canyon, altitude 1.100 m., June 27 (No. 1043). 



Yucca glauca Nutt. Eraser's Cat. 1813. 



Among the foothills, east of Custer, altitude 1.400 m.. July 23 (No. 1044). 



Lilium umbellatum I'ursh, Fl. i, 229 (1814). 1 



In woods : Little Elk Canyon, altitude 1,200 m., June 27 (No. 1045). 



Calochortus gunnisoni "Wats. Bot. King Surv. 348 (1871). 



In all specimens collected by me, tlie bulb was only a few inches below the surface, 

 and at the timi; of bloomiug wiYhout a secondary bulb. Hill above AVhitewood, 

 altitude 1.200 ni.. July 7 (No. 1046). 



Calochortus nuttallii Torr. & Gr. I'ac. R. Rep. ii, pt. 2, 124 (1855). 



In this the bulb was deep down, 15 to 25 cm. below the surface, at the time of 

 bloomiiig, often with a secondary small bulb a few cm. above the principal ones. 

 Fall River Falls, altitude 1,000 m., June 19 (No. 1047). 



Streptopus amplexifolius (L.) DC. Fl. Fran, iii, 174 (1805) ; I'niUo-'ui iiwpJcxifoVia 

 L. Sp. IM. i, 304 (1753). 



N«!ar water: Sylvan Lake, altitude 1,900 m., July 20 and August 7 (No. 1048). 



Disporum trachycarpum (Wats.) Benth. & Hook. Gen. PI. iii, 832 (1883); Pro- 

 sartcs trdcJnjcarpa Wats. Bot. King Surv. 344 (1871). 



In shady places below Sylvan Lake, altitude 1,900 m., June 8 and August 17 

 ,(No. 1019). 



Zygadenus elegans Pnrsh, Fl. i, 241 (1811). 



Little Elk River, altitude 1,200 m., Juno 27; I-:ik Canyon, altitude 1,300 m.,. 

 June 29; I'.iill Springs, altitude 1,900 m., July 26 (No. 10.50). 



Zygadenus venenosus Wats. Proc. Amer. Acad, xiv, 279 (1879). 

 This species has been confused with Z. nuttallii. Hot Springs, altitude 1, 100 m.,, 

 June 13 (No. 1051). 



SMILACACEiE. 



Smilax herbacea L. Sp. PL ii, 1030 (1753). 



Hot Springs, altitude 1,050 m., June 19 (No. 1052). 



COMMELINACEiE. 



Tradescantia virginiana L. Sp. PI. i, 288 (1753). 

 Hot Springs, altitude 1,U50 in., .Juno 13 (No. 1053). 



