PIPER FLORA OF THE STATE OF WASHINGTON. 205 



ORCHIDACEAE. Orchid Family. 



IViicft ;in Irts 2: lip l:irjj;i', sac-liko Cvi'iurKuiL .m (p. 205 j. 



Pei'irc; anchor L 



riaiioS saprophytic, without giocn hrrhagc. 



Flowers spurred, reddish oi white Cokallouiii/.v ( p. 2(10). 



Flowers spurless, white Cephalanthkua ( p. 20()). 



Plants with ordinary green herbage. 



Flower and leaf solitary; plant bulbous C'ytiiekea ( p. 207 ). 



Flowers several to many in racemes. 

 Leaves only two. 



Both leaves cauline; lip 2-lobed 'Ji'hius (p. 207). 



Both leaves basal; lip entire Leptorcihs (p. 20.S). 



Leaves more than two. 



Cauline leaves reduced to bracts. 



Basal leaves several, white-ret iculatetl. . PerAxMium (p. 20<S). 

 Basal leaves two, green and shining. ... Lvsias (p. 2()S). 

 Cauline leaves not reduced to bracts. 

 Anther on the face of the column. 



Stem leaves abruptly reduced; lat- 

 eral sepals adnate to the base of 



the lip PiPEHiA (p. 208). 



Stem leaves gradually reduced; lat- 

 eral sepals free LLMNOiicms (p. 209). 



Flowers spirally an-anged in a dense 



spike IiJiuiu.M (p. 211). 



.\nthe)'s on the sununit of the coknna. 



Flowers in a loose leafy raceme Epipactis ( p. 211 ). 



CYPRIPEDIUM. Lady's slipper. 



Lip al)out 1 cm. long; flowers grcenisii blown 1 V. /(iscicu/afinn.. 



Lip 1.5 to 5 cm. long; flowers not greenish brown. 



Flowers yellow; lip 1.5 to 3 cm. long 2. ('. parvljioruin. 



Flowers brown, with a white lip 3 to 5 cm. long 3. ('. montaninn. 



1. Cypripedium fasciculatuni Kellogg; S. Wats. Proc. Am. Acad. 17: 380. 1882. 

 Type locality: "On the White Salmon River al)ove the falls," Washington. Collected 



by Suksdorf. 



Range: Washington to California. 



Specimens examined: Klickitat County, Suk-sdo/f !)()(), 310, May, June, hS8(); Wen^ 

 ache Region, Brandegee 1095. 



2. Cypripedium parvifloruni Salish. Trans. Linn. Soc. 1: 77. 1791. 

 Type loc.vlity: "Sponte nascentem in \'iiginia.'' 



Range: British Columbia to Newfoundland south to Washington, Missouri, and (icoigia. 



Specimens examined: Spokane County, Sandbcnj d' Leibcnj 125; Suksdorf 'i)-H): S])o- 

 kane. Piper, May, 1897; Henderson 2478. 



Our western form corresponds to C. Jlavescens DC. in Redoute, Lil. 1: /)/. £0. 1802, 

 questionably distinguishable by somewhat narrower leaves and with the lip a little com- 

 pressed laterall3^ 



3. Cypripedium. montanum Dougl.; Lindl. Gen. & Sp. Orch. 528. 1840. 

 Type locality: "Hal), in America iioreali-occidenlali." Collected by Douglas. 

 Range: Washington and Idaho to California. 



Specimens examined: Mount Stuart, Sandben/ d' Lcibtrg 572; Wenache Mountains, 

 Whited 152; Clealum, //(7«/t/*o/(, June, 1892; Kalis)n4 \'alley, Krcmjer in 1902; Mount 



