330 OBCHIDACEAE 



Stem leafy at base; leaves withering at or before anthesis; lip with a more or less distinct 

 median ridge; upper petals straight. 



Spur shorter than the ovary; spike with flowers openly spaced 1. B. uiMlascheiwis. 



Spur equaling or exceeding the ovary. 



Slender, the spike lax, attenuate at tip; flowers whitish 2. H. elegans. 



Stout, the spike dense. 



Spike narrowly cylindric, rounded in outline at tip; flowers greenish.... 3. H. michaeU. 

 Spike cylindrie-conieal ; flowers white 4. B. maritima. 



Stem leafy; leaves remaining until fruit is set; lip flat or concave witliout median ridge; upper 



petals inarched and overlapping at tip. 



Flowers white ; stem thickened; lip rhombic-lanceolate 5. H. leucostachys. 



Flowers greenish; stem very slender; lip narrowly linear. 



Spur slender, equaling or longer than lip _ 6. H. sparsiflora. 



Spur short, saclike, shorter than lip 7. H. saccala. 



1. H. unalaschensis Wats. Stem rigid, straight, erect, 1 to 2 (or rarely 3) 

 feet high ; leaves 3 or 4, basal, drying up by flowering time, 6 to 8 inehes long, 

 the lowest oblong, the upper oblong-laneeolate, longer ; flowers greenish or yel- 

 lowish green, openly spaced on the long tapering spike and exceeding the ovate- 

 lanceolate bracts ; perianth-segments 1 to 2 lines long ; sepals translucent ; upper 

 sepal ovate-acute, somewhat deflexed between the greenish petals ; lateral sepals 

 and petals oblong-lanceolate ; lip ovate, rounded at the apex, rather thick with 

 a prominent ridge down the middle ; spur thick, clavate, about equaling, or 

 exceeding the lip, shorter than the ovary : capsule 6 to 8 lines long at maturity. 



Dry soil, pine and fir forests: cismontane Southern California, Sierra Ne- 

 vada, noi'therly to Siskiyou Co., thence soutlierly to Humboldt Co. Far north 

 to Alaska. 



Locs. — Cottonwood Creek, San Diego Co., T. Brandegee; Cuyamaca, T. Brandegee; Ca.ion 

 Hills, Dnnn ; Del Mar, T. Brandegee; Paradise Valley, D. Cleveland 864; Hunsacker Flat, San 

 Bernarilino Mts., Ball 13.36; Huntington Lake, Fresno Co., A. L. Grant; Wawona, Jcpxon 

 4307; Hetch-Hetchy, A. L. Grant 862; Strawberry, Tuolumne Co., Jcpxon 6498; Bear Valley, 

 Nevada Co., Sonne; Mt. Shasta, Jepson; Yreka, Greene; Hupa, Davy Sr Blasdale 5637. 



Eefs. — H.\BEN.\RIA UNAL.\scHENSis Wats. Proc. Am. Acad. 12:277 (1877). Spiranthes 

 unalaschensis Spreng. Svst. 3:708 (1826), tvpe loc. Aleutian Is!. MontoHvaea unalaschensis 

 Eydb. Mem. N. Y. Bot.' Gard. 1:107 (1900). Piperia unalaschensis Rydb. Bull. Torr. Club 

 28:270, 635 (1901). Bahenaria rooperi Wats. I.e. type loc. San Diego, Cooper. Piperia cooperi 

 Eydb. 1.0. 636. P. lanoifoUa Eydb. I.e. 637, type loc. Sierra Santa Monica, B. E. Basse 5675. 



2. H. elegans Jepson. Slender, strict, 10 to li inches high; basal leaves 

 oblanceolate to lanceolate, 2 to 31/2 inches long, those of the stem reduced and 

 acuminate or often almost none ; spike slender, laxly flowered, attenuate at apex, 

 5 to 7 inches long; flowers whitish; upper .sepal lanceolate; lip oblong-ovate, 

 obtuse, spur as long as or a little longer than the ovary. 



Southern (Jalifornia and Coast Range woods mostly near the coast from 

 Monterey Co. north to Humboldt Co. ; Sierra Nevada. 



Locs. — Samoa. Humboldt Co., Tracy 880; Elk Mt., Lake Co., Jepson (nearest H. elegans 

 but with the outline of spike and the lip of H. michaeli); Calistoga, Jepson; Miller Caiion. 

 Monterey Co., Ball 10074 ; Palomar, Ball 5475. 



Var. elata Jepson n. var. Taller (to 2\:>, feet high) ; spike stouter, elongated (10 to 13 

 inches long), slenderly attenuate. — (Elatior; spica robustior, elongata, unc. 10-13 longa, ad 

 apicem perattenuata.) — Brushy hillslopes, Vaca Mts. to Alameda Co. 



Locs. — Gates Caiion, Vaca Mts., Jepson (tvpe) ; Berkeley Hills, Jepson 8192; Oaklaml Hills. 

 Bolander 2431. 



Eefs. — H.\BEN.\RIA ELEGANS Jcpsou. Platanthcra elegans Lindl. Gen. &Sp. Orch. 285 

 (1835), type from Northwest America, Voualas. Montolivaca ele(ians Rvdb. Mem. N. Y. Bot. 

 Gard. I:i06 (1900), in part. Piperia elei/ans Rydb. Bull. Torr. Club" 28:270. 638 (1901). 

 P. leptopeiala Rj-db. Bull. Torr. Club 28:6.37 (1901), type loc. mts. east of San Diego, Parry. 

 P. multiflora Rydb. I.e. 638, type loc. Gray's Harbor, Wash., is a form with narrow petals 

 and sepals. P. longi.ipica Eydb. I.e. 639. resting on Gymnadenia longispiea Durand, Jour. Acad. 

 Phila. ser. 2, 3:101 (1855), type loc. Nevada City, Pratten. Babenaria longispioa Parish, PI. 

 World, 20:209 (1917). Var."ELATA Jepson {=B. elegans Boland. Cat. Ph San Franc. 29,— 

 1870). 



