112 OBCHIDACEf. 



6. H. Cooperi, Watson. Stout: lip ovate: upper sepal ovate. San Diego. 



7. H. g^cilis, Watson. Like No. 4: lip linear: spur saccate. Or., Wash. 



8. E. TVTiclitBli, Greene. Stout stem, leafless: spike dense: sepals i in. long. S. CaL 



6. SPIKANTHES, Richard. 



1. S. Komanzofflana, Chamisso. Spike dense, conspicuously bracteate, 1-4 in. long: 

 perianth greenish-white, J in. long, curved (Called Ladies' Tresses). Wet places. 



2. S. porrifolia, Lindl. Similar: Sowers smaller: 2 callosities at base of lip. 



6. GOODYEAKA, Robt. Brown. 

 1. Q, Henziesii, LindL Scape pubescent, 6-15 in. high: leaves smooth, 2-3 in. long, 

 in a regulate tuft: spike of pubenilent white flowers 1-sided. (Rattlesnake PUtviain.) 



7. lilSTERA, Robt. Brown. 



1. Ij. Oonvalarioides, Nutt. Slender, 3-12 in. high: flowers purplish in a pubescent 

 raceme: lip 2-lobed or emarginate, toothed at base, 2-5 lines long. Damp woods, 



2. tt. cordata, R. Br. Smaller: flowers minute, smooth. (Twayblade.) N. Cal., N. 



8. EPIPACTIS, HaUer. 

 1. H. gigfantea, Dougl. Leafy, 1-4 ft. high: leaves ovate to lanceolate: flowers 3-10, 

 greenish, purple-veined; sepals ovate-lanceolate, J-| in. long; lip aa long. Along 

 streams. 



9. CEPHAXANTHERA, Richard. 

 X. C. Oregana, Beich. f. Parasite: perianth ^ in. long; sepals and petals lanceolate; 

 lip as in Hpipaetis with wavy -crested nerves. Forests, K. Cal to Or, 



10. OYPBIPEDHJM, Linnaeus. 



1. C. fasciculatum, Kellogg. Villous, 2-6 in. high: leaves ovate, a pair: peduncle 

 viscid; Howers several in a cluster or 1, greenish. (Bradley's Cypripedium). Rare. 



2. C. montaniun, Uougl. Leafy, 1-2 ft. high; flowers 1-3; sepals and wavy-twisted 

 petals brownish, narrow, li-2i in. long: lip oblong, white, purple-veined. Cent. 

 Cal. to Or. 



3. C. Californiciun, Or. Often taller: flowers 3-12: sepals ) in. long: lip obovoid- 

 globose. In swamps or wet places. K. Cal. 



IRIDACEiE. 



Perennial herbs with sword-ehaped or grass-like leaves, the divisions of the snperiof 

 peiianth all petaloid and oonvulute in the bud, withering-persistent. 



