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a. Corallorhiza, . Coral root. 
Yellowish or purplishgsaprophytes or root parasites. Stems unbranched » 
bearing a few sheathing scales, arising from masses of white intricately 
branched coral-like roots. Inflorescence a raceme, the flowers nodding in 
age. Perianth segments subequal except the lowermost, oblong or lanceolate, 
the lateral sepals united at the base with the foot of the colum, in som 
species forming a more or less evident protuberance or spur at the sumnit 
of the ovary, the lowermost petal wider, often toothed below the middle. 
Anther 1, opening by a lid. Follen masses 4, waxy. Capsules pendulous. 
© Plants yellowish green, 20-30 cm. tall; lower lip white, 
4/' nepnr spotted with yellow /. Co trifida : 
ON AO Lee aeniad — 
Q Plants pe tinged with yellow{, rarely 
, « yellowish-brown; lower lip of corolla striped, 
“! blotched or dotted with purpley 
Z% Lower lip blotched, mottled or dotted with purple; 
, /the spur a small protuberance present on the top ; 
© \of the ovary 
“ Stamineal column 4-4.5 mm. tall; lateral lobes of 
BC /lower lip 1-1.5 mm. tall; lower lip purple : 
@ \ dotted With distinct dots 2, Se maculata 
Stamineal colum 5-6 mm tall, lower lip rutauaby gee | 
sce with purple, white towards the tip; , i 
lateral lobes wanting or minute 3. Ce Mer tensiana ' 
@ Lower lip striped with 5 distinct purple stripes; 
@ spur wholly wanting 4. C. striata 
— 
le Ce trigiann® thatel. var. virescens (Far.) Ames. ——>Stems 20-350 cm. 
tall, yellowish or greenish-yellow, in small clumps, slender; scales commonly 
2-4, ’ sheathing about half the stem; bracts 1. 5 mm. long or less; #:evexs> 
| wellowish-gre eon pperianth segments}, 5-5 mme long, l-nerved; lip oblong, white, 
Sho e@ sepals, with two small teeth below the middle and two ridges 
on the palate; spur scarcely evident, a small protuberance at the very summit of 
the ovary; capsule 12 mm. lons, elliptical. stronelv ribbed. taverine rather 
abruptly at the base to a short stipe. —_~ 
eee ee 
pw: & et cia” — 
lioist ‘woods, Priest Re Exp. Stace Gold Hill; betw,. Pend Oreille and Kootenai 
Ri$ez3 Roman Nose Mte 
. ee ae wR REF On Oe ee 
