ORCHID FAMILY 



471 



2. Cypripedium parviflorum Salisb. 

 Yellow Lady's Slipper. F\g. 1150. 



Cvpripedium pariifloruin Salisb. Trans. Linn. Soc. 1 : 

 77. 1791. 



Cyprit^edium pubescens Willd. Sp. PI. 4: 143. 1805. 



Cxpnpcdium bulbosiim flavescens Farwell, Rep. Mich. 

 ' Acad. Sci. IS: 170. 1913. 



Cvpripcdiiim liirsutuni parviHoruni Rolfe, Orchid Rev. 

 - 15: 184. 1907. 



Stems leafy, 3-8 dm. high. Leaves oval 

 or elliptic. 5-15 cm. long, acute or acuminate ; 

 flowers 1-3, racemose in the axils of the 

 ))racts ; sepals ovate-lanceolate. 3-5 cm. long, 

 longer than the lip, yellowish or greenish, 

 striped with purple ; petals linear-lanceolate, 

 equalling the sepals or longer; lip much in- 

 flated, 2-5 cm. long, pale yellow with purple 

 veins, with a tuft of white jointed hairs near 

 the top ; sterile stamen triangular ; stigma 

 thick, somewhat triangular, incurved. 



In moist woods, mainly Transition Zone; British 

 Columbia to Nova Scotia, south to Nebraska and 

 Georgia. In the Pacific States it has been found only 

 in the vicinity of Spokane, Washington. Type locality: 

 Virginia. 



3. Cypripedium montanum Dougl. Alountain Lady's Slipper. Fig. 1151. 



Cvpripediuiii montanum Dougl.; Lindl. Gen. & Sp. Orchid. 

 528. 1840. 



Cvpripediinii occidentale S. W'ats. Proc. Am. Acad. 11: 

 147. 1876. 



Stems stout, leafy, Z-7 dm. high. Leaves ovate 

 to broadly lanceolate, 8-16 cm. long, 4-8 cm. 

 wide, acute or abruptly short-acuminate. Flowers 

 1-3, racemose in the axils of the bracts; sepals 

 lanceolate, acuminate, 4-6 cm. long, brownish 

 purple, the lower united to near the tip ; petals 

 similar to the sepals in color, but narrower ; lip 

 oblong, 2~2i cm. long, white tinged and veined 

 with purple ; sterile stamen oblong-ovate, 8-10 

 mm. long, yellow with purple spots, deeply chan- 

 nelled above ; stigma somewhat shorter than 

 the sterile stamen ; capsule erect or nearly so, 

 oblong, 2 cm. long. 



In moist open woods. Transition Zone; Vancouver 

 Island to Saskatchewan and Wyoming, south to Marii)0sa 

 and Santa Cruz Counties, California. Type locality: 

 western North America. 



4. Cypripedium fasciculatum Kell. Clustered Lady's Slipper 



Cypripedium fasciculatum Kell. S. Wats. Proc. Am. Acad. 17: 

 380. 1882. 



Cxpripcdium fasciculatum pussillum Hook. f. Bot. Mag. 119: 

 pi. 7275. 1893. 



Stems woolly-pubescent, 10-40 cm. high, with 1 

 or 2 scarious bracts at base. Leaves 2. usually in 

 about the middle of the stem and appearing oppo- 

 site, broadly oval, 5-10 cm. long, 4-7 cm. wide, 

 obtuse or acutish ; the peduncle-like stem above the 

 leaves bearing 1 or 2 lanceolate bracts near the 

 middle; flowers solitary or usually several in a 

 cluster ; bracteate, greenish ; sepals lanceolate, acu- 

 minate, 15-25 mm. long, brown-veined, the lower 

 pair wholly united or the very tips separate; petals 

 similar but narrower ; lip depressed-ovate, greenish 

 yellow with brown-purple veins, 8-10 mm. long; 

 sterile stamen oblong-ovate, obtuse, 3 mm. long, 

 stigma equalling the sterile anther; capsule oblong, 2 

 cm. long. 



Moist woods. Transition Zone; eastern W^ashington in the 

 Wenatche Mountains to Plumas County in the Sierra Nevada 

 and the Santa Cruz Mountains in the California Coast Ranges. 

 Type locality: White Salmon River, above the Falls, Washing- 

 ton. 



