446 OKCHIDACEJE. (ORCHIS FAMILY.) 



of tiie crou-ded (yellow) flowers ; spike oblong or cylindrical ; petals rounded, ere- 

 nate ; ///; oi-alc, with a lacerate/ringed mart/ hi, scarcely shorter than the slender ob- 

 tuse incurved spur, which is not half the length of the ovary. Bogs, Penn. 

 (Pursh) to Virginia and southward. Flowers one quarter the size of the next. 



10. P. cilifsris, Lindl. (YELLOW FRINGED-ORCIIIS.) Leaves oblong 

 or lanceolate ; tlie upper passing into pointed brads, which are shorter than (he 

 long-biased on tries ; spike oblong, rather closely many-flowered ; Jhwcrs bright 

 orange-yellow; lateral sepals rounded, reflexed ; petals linear, cut-fringed at the 

 apex ; Up oblong, about half the length of the spur, furnished with a very luiuj and 

 copious capillary fringe. Bogs and wet places; scarce at the North j common 

 southward. July, Aug. Our handsomest species, l-2 high, with a short 

 spike of very showy flowers ; the lip ' long, the conspicuous fringe fully y long 

 on each side. 



11. P. blcplltiriglottis, Lindl. (WHITE FKINGED-ORCIIIS.) Leaves, 

 &c. as in the last ; flowers white ; petals spatulate, slightly cut or toothed at the 

 apex ; lip oblong or lanceolate-oblong, with the irregular capillary fringe of the 

 margins usually shorter than the disk, one third the length of the spur. Var. 

 HOLOPETALA (P. holopetala, Lindl.) has narrower petals with the toothing 

 obsolete, and the lip less fringed. Peat-bogs and borders of ponds, with No. 

 10, or commonly taking its place in the North. July. A foot high, the flow- 

 ers beautiful, but rather smaller than in the last. 



5. Stem leafy : lip 3-parted, shorter than the somewhat club-shaped long spur, nar- 

 rowed at the base into a claw : roots clustered and fleshy-thickened. 



* Flowers ivhite or greenish. 



12. P. leucoph&a, Nutt. (WESTERN ORCHIS.) Leaves oblong-lan- 

 ceolate; the bracts similar, rather shorter than the (large dull white) flowers; 

 spike elongated, loose; petals obovate, minutely cut-toothed; divisions of the. lip 

 broadly wedge-shaped or fan-shaped, many-deft to the middle into a threadlike fringe; 

 spur longer than the ovary. Moist meadows, Central Ohio to Wisconsin and 

 southwestward. July. Stem 2 -4 high; the spike at length 1 long. Lip 

 about 3' wide. 



13. P. Iiiccra, Gray. (RAGGED ORCHIS.) Leaves oblong or lanceo- 

 late ; raceme loosely many-flowered ; petals oblong-linear, entire ; divisions of the 

 lip narrmr, deeply parted into a few long nearly capillary lobes; spur about the 

 length of the ovary. (O. psycodes, MM., &c., not of L. O. laccra, Micli.r.) 

 Bogs and moist thickets ; rather common. July. Stem 1 - 2 high : bracts 

 shorter or longer than the pale yellowish-green flowers. 



* * Flowers purple. 



14. P. psycdcles, Gray. (SMALL PUR-PLE FRINGED-ORCIIIS.) Leaves 

 oblong, the uppermost passing into linear-lanceolate bracts ; raceme, cylindrical, 

 dnisely niuinj-flowered ; I wer sepals round-oval, ol>tusc ; prtalx w(d<jc-d>onite. or >///- 

 uUite, denticulate aliore ; divisions of the spreading lip broadly W( dire-shaped, 

 many-cleft into a short fringe. (O. psycodes, L. ! O. finihriatn, 7N//>7/, /Jii/doto. 

 O. incisu and O. li-s;i, Mnhl. in Willd.) Moist meadows and alluvial banks; 

 common. July, Aug. Stem 2 high. Flowers short-pedicelled, crowded in 



