132 



ORCHIDACEiE. 



high or less, leafy at base; cauline leaves triangular-ovate, thin, 

 appressed, 4 to 9 lines long; spike rather dense, 2\ to 3 in. long; 

 sepals and petals similar, 1£ to 2 lines long; lip triangular-ovate, of 

 about the same length; spur fully \ longer than the ovary. 



Under oaks in the hills south of Livermore, acc. to Greene; San 

 Luis Obispo Co., Gr. W. Michael. 



3. H. leucostachys Wats. Sierra Kein-orchis. Stem leafy, 

 16 to 22 in. high; leaves linear or lanceolate, 3 to 8 lines broad; 

 flowers white, rather large, in a dense or open spike which is 4 to 8 

 in. long; bracts linear-subulate, exceeding the ovary; sepals oblong 

 or oblong-ovate, 3 or 4-nerved, thin, 2 or 3 lines long; petals 

 lanceolate; lip slender-lanceolate from a roundish-dilated base, much 

 exceeding the sepals and petals; spur slender, 4 to 6 lines long; beak 

 of the stigma prominent, ovate, more than half the length of the 

 connective; capsule oblong, sessile, 6 to 9 lines long. 



Common about springs and in moist meadows of the Sierra Nevada; 

 Shasta region ; Point Arena; attributed to the San Francisco Peninsula. 



4. H. maritima Greene. Low and stout, 6 to 10 or 14 in. high; 

 basal leaves oblong, acute, 3 to 6 in. long, £ to 1 in. wide, the lowest 

 narrowed to a broad petiole; upper cauline leaves reduced, appressed, 

 lanceolate-subulate; spike 1^ to 4 in. long, slightly conical, 7 to 13 

 lines broad, the flowers white, with a heavy fragrance, closely 

 crowded; sepals broadly oblong, obtuse, with a green midvein,a little 

 exceeding 2 lines; petals 2 lines long, broadest at the base, ligulate- 

 attenuate above; lip narrowly ovate, with a prominent ridge toward 

 the base; spur slender, longer than the ovary; column short and 

 almost beakless. 



Sea cliffs of the San Francisco Peninsula (Fort Point and Point 

 Lobos). July-Oct. 



3. EPIPACTIS Haller. 



Stem leafy from creeping rootstocks. Flowers in racemes with 

 foliaceous bracts. Sepals and petals nearly equal, spreading; lip 

 strongly constricted at the middle, the lower portion deeply concave, 

 the upper portion dilated. Anther 2-celled, sessile behind the 

 broad truncate stigma, on a slender jointed base; the pollen-masses 

 become attached above to the gland capping the small rounded beak 

 of the stigma. Ovaries reflex*ed at maturity. 



1. E. gigantea Dougl. Stream Orchis. Stout, 1 to 2 ft. high, 

 nearly glabrous; leaves ovate below, lanceolate above, acute or 

 acuminate, 3 to 7 in. long; raceme minutely pubescent; flowers 3 to 

 10, greenish or rose-color, on pedicels 2 lines long; sepals 7 lines long 

 (exceeding the petals), the upper concave and somewhat carinate; 

 petals rose-color, purple-veined, particularly the lip; lower portion of 

 lip with short erect lobes or wings and with many callous tubercles 

 near the base; upper portion ovate-lanceolate, crested or ridged 

 towards the base; capsule oblong. 



Moist stream banks from Santa Barbara to Mt. Diablo, Marin Co. 

 (Nicasio, Taylorville), Cazadero, the Napa Mountains and northward. 

 May 15- June. 



