202 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Pass, Sandberg & Leiberg 737; near Skagit Pass, Lake A Hull 615; Lake Wenache, Sandberg 

 <fc Leiberg 646; Blue Mountains, Piper, July, 1896; without locality, Vasey 104; Mount 

 Carlton, Kreager 254, 191. 



Zonal distribution: Transition. 



2. Streptopus roseus Michx. Fl. 1: 201. 1803. 



Streptopus curriix's Vail. Bull. Torr. Club. 28: 267. 1901. 



Type ijocalittl-: "Ilab. in excelsis montibus Carolinao soptentrionalis et in Canada." 



Range: Alaska to Oregon, Ijabrador, and Georgia. 



Specimens examined: Ca.soade Mountaias, latitude 49°, LyaU in 1859; Lake Cushninn, 

 Piper in 1890; Goat Mountains, AUen, August 12, 1895; Silverton, Bouck 183; Skamania 

 County, Si/irs^or/", August 10,1886; Mount Adams, Su^-stior/* 44; Stampede Pa-ss, //fmfcrson, 

 April 10, 1892; Stevens Pass, WhiUd 1460; Simcoe Mountains, /?ou«K in 1879; Na.son City, 

 Sandberg Ji Leiberg 652. 



Zonal distribition: Humid Transition. 



The western form of this species is commonly smaller than that of the eastern States, 

 and shows a tendency to proiducc longer rhizomes, but we l>elieve the.'^e differences are not 

 specific, especially as rhizoraatous fonns occur also in the Allegheny Mountains. 



KBUHSEA. 



1 . Knihsea streptopoides (Lcdeb.) Kearney in Herron, Explor. in Alaska, Adj . Gen. Off. 

 31: 74. 1901. 

 Smilacina streptopoides Ledeb. Fl. Ross. 4: 128. 1853. 

 Kruhsea tilingiana Regel, Nouv. Mem. Soc. Nat. Mosc. 11: 122. 1859. 

 Strei)lopus bretnpes Baker, Joum. Linn. Soc. 14: 592. 1875. 

 TvPE ux'ality: "Hab. in Sil)eria orientali pr. Ajan! inque iasula Sitka." 

 Rancje: Ala<<ka to Wa.shington. Silxiria. 



Specimens examined: Cacsado Mountaias, latitude 49°, LyaU in 1859. 

 Zonal distribution: Canadian. 



ASPARAGXTS. 



1. Asparagus oflacinalis L. Sp. IM. 1: 313. 1753. Asparagus. 



The cultivated asparagus quickly escapes from cultivation and becomes more or less 

 astablished. This is especially true in somewhat alkaline lands in the Yakima Valley. 



IRIDACEAE. Iris Family. 



Flowers very large; styles petal-like Iris (p. 202). 



Flowers moderate; styles filiform. 



Filaments united to the top; flowers usually blue Sisyrinchium (p. 203). 



Filaments united only at base; flowers never blue. 



Flowers yellow; styles cleft to the middle Hydastylus (p. 204). 



Flowers red; styles cleft near the top Olsynium (p. 204). 



IBIS. 



Stems leafy ; bracts green, not scarious 2. I. tenax. 



Stems leafless; bracts largely scarious 1. /. missouriensis. 



1. Iris missouriensis Nutt. Joum. Acad. Phila. 7: 58. 1834. Plate XXI. 



Iris tolmieana Herbert, Bot. Beech. Voy. 396. 1839. 

 ' Iris caurina Herbert; Hook. Fl. Bor. Am. 2: 20f). 1839 (November). 



Type locality: "Towards the sources of the Missouri." Collected by Wyeth. 



Range: British Columbia to Dakota, Arizona, and California. 



Specimens examined: vVhidby Island, Gardner 278, 426; Ellensburg, Whited, May, 

 1897; Yakima, Leckenby, May, 1898; North Yakima, Henderson, May, 1892; Prosser, 



