478 ORCHIDACEAE. 
1. Corallorhiza Corallorhiza (L.) Karst. Early Coral-root. (Fig. 1139.) 
Ophrys Corallorhiza 1,. Sp. Pl. 945. 1753. 
Corallorhiza innata R. Br. in Ait. Hort. Kew. Ed. 2, 
5: 209. 1813. 
Corallorhiza Corallorhiza Karst. Deutsch. Fl. 448. 
1880-83. x 
Scape glabrous, 4/-12’ high, clothed with 2-5 
closely sheathing scales. _Raceme 1/—3/ long, 3-12- 
flowered; flowers dull purple, about 14’ long, on 
very short minutely bracted pedicels; sepals and 
petals narrow, about 3’ long; lip shorter than the 
petals, oblong, whitish, 2-toothed or 2-lobed above 
the base; spur, a sac or small protuberance adnate 
to the summit of the ovary; capsule 4/’-6’’ long, 
oblong or somewhat obovoid. 
In woods, Nova Scotia to Alaska, south to New Jer- 
sey, in the mountains to Georgia, and to Michigan and 
Washington. Ascends to 3000 ft.in Vermont. Also in 
Europe. May-June. 
2. Corallorhiza odontorhiza (Willd. ) 
Nutt. Small-flowered Coral-root. & 
(Fig. 1140.) 
Cymbidium odontorhizon Willd. Sp. Pl. 4: 110. 
1805. 
Corallorhiza odontorhiza Hutt. Gen. 2: 197. 1818. 
Scape slender, purplish, 6’-15’ high. Raceme 
2/-4’ long, 6-20-flowered; flowers 3/’-4’’ long, 
purplish, sepals and petals lanceolate, 2’’ long 
or less, marked with purple lines; lip as long as 
the petals, broadly oval or obovate, entire or 
denticulate, narrowed at the base, not notched, 
whitish; spur, a small sac adnate to the top of 
the ovary; wings of the column very narrow. 
In woods, Massachusetts to Michigan, Florida | 
and Missouri. Ascends to 3000 ft. in North Caro- oi 
lina. July—Sept. 
3. Corallorhiza Wisteriana Conrad. 
Wister’s Coral-root. (Fig. 1141.) 
Corallorhiza Wisteriana Conrad, Journ. Acad. Phila. 
6: 145. 1829. 
Stem slender, but usually stouter than that of the 
preceding species, 8’-16’ high, bearing several 
sheathing scales. Raceme 2/-5/ long, loose, 6-15- 
flowered; flowers about 7’’ long, slender-pedicelled, 
ascending or erect; lip broadly oval or obovate, 
4’’-5’ long, 4’’-5’’ wide; abruptly clawed, white 
with crimson spots, crenulate, notched at the apex; 
lamellae, 2 short prominent ridges; spur, a some- 
what conspicuous protuberence adnate to the top of 
the ovary; column strongly 2-winged toward the 
base; capsule elliptic-oblong or oblong-obovoid, 
about 5’ long, drooping when ripe. 
In woods, Massachusetts to Ohio, Florida and Texas. 
Feb.—May. 
