342 ORCHID ACE JE. (ORCHIS FAMILY.) 



* * Spur none, the lateral sepals and base of the column strongly gibbous over the 

 top of the ovary : Up entire: flowers larger, purple and veined, not spotted. 

 3. C. striata, Lindl. Scape stout, a foot or two high, many-flowered: 

 flowers often 6 or 7 lines lon^^ ; lip fleshy, somewhat narrowed below, reflexed 

 above the base and bearing the prominent laminae upon the arch. — C. Macrcei, 

 Gray, Manual, 510. From Washington and Oregon eastward to the Great 

 Lakes. 



3. APLBCTItUM, Torr. Putty-root. 



Lip 3-ridged. Column nearly straight, not broader at base. Scape lateral 

 from a thick globose solid bulb upon a slender horizontal rootstock, the bulb 

 bearing at summit a large petioled plaited leaf. Flowers rather large, soon 

 deflexed. 



I. A. hiemale, Torr. Scape with 3 or 4 greenish sheaths: the radical 

 leaf ovate-oblonj; to broadly oblauceolate, 4 to 8 inches long, many-nerved, 

 continuing through the winter : sepals and petals greenish-brown, 5-nerved ; 

 lip whitish or somewhat spotted, attenuate into a distinct claw: ovary attenu- 

 ate into a slender pedicel. — Along our eastern border and eastward to the 

 Atlantic ; found also in Oregon. 



4. HABENARIA, WiUd. 



Sepals and petals nearly alike, convergent or the lower sepals spreading. 

 Lip without ridges or callosities. Column very short. Anther-cells parallel 

 or divergent at base. — Stems from fleshy-fibrous or tuberous roots : flowers 

 greenish or white, not showy in our species. 



« Stems slender, bracteate, with 2 or 3 leaves at base: sepals l-nerved: spur 

 longer than the lip. 



1. H. Unalaschensis, Watson. Spike of flowers elongated and rather 

 open: leaves narrowly lanceolate to linenr: bracts ovate, not exceeding the 

 ovary : sepals, petals, and lip about a line long, the narrow or somewhat cla- 

 vate spur scarcely or sometimes nearly twice longer. — H. fcetida, Watson, 

 Bot. King Exped. 34L In the Wasatch, Uinta, and Teton Mountains, and 

 along the Facitic coast to Oonalaska. 



* * Sepals Z-Tierved : spur rvot longer than the entire lip. 



-{- Stem leaf]}. 



2. H. hyperborea, R. Br. Leaves lanceolate, erect : spike dense : flowers 

 greenish ; lip and petals lanceolate, somewhat equal, the latter spreading from 

 the base : glands orbicular: stalk of the pollen-masses very slender and weak. 

 — Colorado and northward, thence across tlie continent. 



3. H. dilatata, Gray. Like the last, but more slender and with narrower 

 commonly linear leaves: flowers ivhite ; lip lanceolate from a rhomboidal-d Hated 

 base, its base with the bases of other petals and sepals erect-connivent : glands 

 apjnvximate, large and strap-shajKd, vertical, nearly as long as the pollen- 

 mass and its short flat stalk together. — From Colorado northward and 

 eastward. 



