ORCHID FAMILY 



477 



8. Piperia michaeli (Greene) Rydb. 

 Purple-floM-ered Piperia. Fig. 1166. 



Habenaria michaeli Greene, Man. Bay Reg. 306. 1894. 



Piperia michaeli Rvdb. 

 1901. 



Bull. Torrey Club 28: 640. 



Stem stout. 2-3 dm. high, leafless at flower- 

 ing time. Basal leaves, elliptic or oblanceolat;^, 

 about 15 cm. long, 4 cm. wide, withering before 

 anthesis ; stem leaves numerous, all bract-like ; 

 spike very dense, 5-15 cm. long; flowers green- 

 isli ; upper sepal ovate, 4 mm. long, the lateral 

 oblong lanceolate obtuse ; lip ovate, obtuse, 

 scarcely hastate at base; spur filiform, two and 

 a half times the lip. 



Wooded hillsides; Upper Sonoran and Transition 

 Zones; Wasliington south through the Coast Ranges 

 to San Luis Obispo County, California. Type locality: 

 San Luis Obispo County, California. 



9. Piperia maritima (Greene) Rydb. 

 Coast Piperia. Fig. 1167. 



Habenaria tnaritinia Greene, Pittonia 2: 298. 1892. 

 Piperia maritima Rydb. Bull. Torrey Club 28: 641. 

 1901. 



Stem stout, 2-3 dm. high, leafless at 

 flowering time. Basal leaves 2 or 3, oblong, 

 obtuse or acute, about 1 dm. long, 3-4 cm. 

 wide, withering before anthesis ; stem leaves 

 all bract-like, numerous; spike very dense, 

 4-10 cm. long; flowers white; upper sepal 

 ovate, obtuse, 4 rnm. long, the lateral oblong 

 lanceolate ; lip elliptic, obtuse, slightly has- 

 tate, W'hite and thin; spur filiform, about 

 two and a half times longer than the lip. 



Dry hills along the coast, Upper Sonoran and 

 Transition Zones; San Francisco to Monterey 

 County. Type locality: Point Lobos, San Fran- 

 cisco, California. 



4. LYSIAS Salisb. Trans. Hort. Soc. London 1 : 288. 1812. 



Stem scapose, from tubers or fleshy roots. Leaves two, basal. Flowers spicate, greenish 

 or white. Sepals free, large and spreading. Petals small and narrow ; lip entire, linear or 

 nearly so; spur slender, usually longer than the ovary. Beak of the stigma without append- 

 ages. Anther sacs widely diverging, their narrow beak-like bases projecting forward. Capsule 

 cylindric-clavate, distinctly stipitate. [Named for Lysias, an Attic orator.] 



A circumboreal genus of about 6 species. Type species, Lysias bifolia (L.) Salisb. 



1. Lysias orbiculata (Pursli) Rydb. 

 Large Round-leaved Orchid. Fig. 1168. 



Orchis orbiculata Pursh, Fl. Am. Sept. 588. 1826. 

 Habenaria macrophylla Goldie, Edinb. Phil. Tourn. 6: 331. 



1822. 

 Habenaria orbiculata Torr. Comp. 318. 1826. 

 Lysias orbiculata Rydb. in Britton, Man. 294. 1901. 



Scape short, bracted, 3-6 dm. high, occasionally 

 bearing a small leaf. Basal leaves 2, orbicular, 

 spreading flat on the ground, silver beneath, shining 

 above, 5-8 cm. broad, raceme loosely many-flowered ; 

 pedicles about 1 cm. long, erect in fruit ; flowers 

 greenish white ; upper sepal short, rounded, the lateral 

 falcate-ovate. 8-10 mm. long, spreading; lip oblong - 

 linear, obtuse, entire, white, 12 mm. long; spur longer 

 than the ovary, often 3 cm. long. 



In rich woods, Canadian Zone; British Columbia and Cas- 

 cade Mountains of northern Washington east to Newfound- 

 land and Virginia. Heal-all. July-Aug. Type, locality : "on 

 the mountains of Pennsylvania and Virginia." 



