310 



ORCHIDACEAE (ORCHIS FAMILY) 



618. 



H. cristate 



x iy s . 



ones ovate; lip oblong-linear, obtuse, 1.5-2 cm. long; spur 1.5-2.5 cm. long; 

 anther-cells strongly projecting at the free beak-like base ; glands nearly ti mm. 

 apart. (Lysias Rydb.) Rich deep woods, Lab. to Alaska, s. to S. C., Minn., 

 and Wash. July, Aug. 



12. H. macrophylia Goldie. Similar to the preceding, but larger in all its 

 parts; spur 3-4 cm. long. Moist coniferous woods, Nfd. to Ont., s. to Ct. and 

 Mich. June-Aug. 



* * Lip fringed, not divided or tripartite. (Blephariglottis Raf .) 



13. H. cristata (Michx.) R. Br. Stem 2-6 dm. high ; lower leaves linear- 

 lanceolate, elongated, the upper becoming gradually reduced to acute bracts ; 



floral bracts nearly as long as the orange-yellow flowers ; 

 raceme 2-3 cm. through ; sepals elliptical ; petals oblong, 

 fringed at the top ; lip ovate, copiously fringed, 5 mm. long ; 

 spur slender, 5-9 mm. long, longer than the lip. Bogs, N. J. 

 to Ark., and south w. July, Aug. FIG. 618. 



14. H. ciliaris (L.) R. Br. (YELLOW FRINGED O.) Stem 

 4-6 dm. high ; leaves linear-oblong or lanceolate, the upper 

 ones passing into pointed bracts shorter than the ovaries; 

 raceme 4-6 cm. through ; flowers orange-yellow ; lateral sepals 

 orbicular; petals linear-oblong or linear-lanceolate, toothed 

 at the apex ; lip oblong, 1 cm. long, copiously fringed, the basal segments often 

 branched ; spur 2-2.5 cm. long. Peaty bogs and meadows, Vt. and Mass, to 

 Mich., Mo., and south w. July, Aug. 



15. H. blepharigl6ttis (Willd.) Torr. (WHITE FRINGED 0.) 

 Similar to the preceding in habit ; flowers white ; lateral sepals 

 orbicular, upper sepal elliptical, concave ; petals linear-oblong, 

 somewhat pointed, cristate above or toothed ; lip narrowly ovate- 

 lanceolate, 8-10 mm. long, fringed, the segments once divided 

 or simple; spur about 2 cm. long. Bogs and peaty land, Nfd. 

 to Fla., w. to Mich, and Miss. July, Aug. FIG. 619. Var. 

 coNSpfcuA (Nash) Ames. Racemes lax; spur 4 cm. long. 

 Occurring south w. Var. HOLOPETALA (Lindl.) Gray. Petals 

 narrower, with the toothing obsolete and the lip less fringed. 



x H. Cdnbyi Ames. {H. blephariglottis x H. cristata.) Lip 

 about 7 mm. long, deeply fringed; spur 12 mm. long. Swamp 619. H.blephari- 

 near Lewes, Del., July, 1878 (Canby). Intermediate in color 

 and size of flowers between the parent species. 



* * * Lip S-parted, divisions toothed or fringed. 



- Flowers greenish or whitish. 



*+ Petals entire. 



16. H. lacera (Michx.) R. Br. (RAGGED FRINGED O.) Stems 3-6 dm. high ; 

 leaves oblong or lanceolate ; raceme loose or dense, many-flowered ; petals 



oblong, divisions of the lip narrow, deeply incised, the segments 

 capillary; spur about the length of the ovary, 1.5 cm. long; 

 glands oblong-linear, as long as the stalk of the pcllen-masses. 

 Wet or moist open ground, Nfd. to Minn., southw. to Mo. and 

 Ala. July, Aug. FIG. 620. 



++ ** Petals minutely cut-toothed. 



17. H. leucophaSa (Nutt.) Gray. Stem 6-12 dm. high; 

 leaves oblong-lanceolate ; raceme commonly elongated, loose ; 

 the large flowers fragrant ; petals obovate ; divisions of the lip 

 17-20 mm. long, many cleft to the middle into a copious fringe ; 

 spur 3.5 cm. long; glands transversely oval. Wet meadows and prairies, 

 N. S. and Me. to Minn., southw. w. of the Allegheny Mts. to La. June, 

 July. 



glottis x 1. 



620. H. lacera x 1. 



