ORcriiDACE^. (orchis family.) 455 



somewhat hastate, 3-lobcd above the base, with two distinct ridges on the face, 

 white spotted with crimson ; sepals and petals oblong-h\nceolate, brownish ; cap- 

 sule oval or elliptical. — Damp shady woods, Georgia, and northward. Sept. 

 and Oct. — A vernal species in the Northern States. 



4. APLECTRUM, Nutt. Putty-root. 



Sepals and petals alike, linear-oblong, erect. Lip spurless, short-clawed, 

 3-lobed and 3-ridged at the throat. Column straightish, cylindrical. Anther 

 lid-like, slightly lateral. Pollen-masses 4. — Root tuberous, proliferous, very 

 glutinous within, first bearing a single large plaited and petioled leaf, which is 

 persistent through the winter, and afterward a 3-sheathed scape, with a raceme 

 of yellowish flowers at the summit. 



1. A. hieraale, Nutt. (Corallorhiza hicmalis, £"//. Limodorum trifidum, 

 Michx. ) — Rich woods, chiefly in the upper districts, and northward. April and 

 May. — Leaf oval, many-nerved, 4'-6' long. Scape 12'- 15' high, 10-15-flow- 

 ered. Sepals and petals yellowish, tipped with brownish purple. Lip whitish, 

 spotted, the middle lobe rounded and crenulate on the margins. Capsule re- 

 flexed. 



5. EPIDENDRUM, L. Tree-Orchis. 



Sepals and petals nearly equal and alike, widely spreading. Lip with the 

 claw wholly or partly adnatc to the elongated margined or winged column, en- 

 tire or parted, mostly rigid or tubercled on the face. Spur none, or adnate to 

 the ovary. Column prolonged at the apex into a tootlicd or fimbriate cup. 

 Anther lid-like, somewhat 4-celled. Pollen-masses 4, lenticular, stalked. — 

 Stemless herbs, from a tuberous or creeping rliizoma, clinging to the bark of 

 trees by thick and matted roots. Leaves sheathing, rigid, perennial. Scape 

 sheathed or bractcd, bearing a raceme of greenish and purplish flowers. 



1. E. COnopseum, Ait. Scape few - many-flowered ; leaves 1-3, coria- 

 ceous, lanceolate, acute, spreading ; bracts subulate, the lowest somewhat leafy; 

 sepals spatulate, obtuse, with revolute margins ; petals linear-spatulatc, obtuse ; 

 lip 2-tuberclcd at the base, 3-lobcd, the lateral lobes rounded and crenulate, the 

 middle one notched at the apex, the claw wholly adnate to the slightly margined 

 column. — On various trees, but chiefly on Magnolias, Florida to South Caro- 

 lina. Aug. — Scape 2'-8'high. Leaves l'-3' long. Flowers 4"-5" long, 

 green tinged with purple. 



2. E. venosum, Lindl. Scape tumid at the base, 5-7-flowered; leaves 

 2, linear-lanceolate, abruptly pointed ; bracts short, ovate ; sepals and petals 

 spatulate-lanceolate, acute ; lip 3-parted, 2-crested in the middle ; tlie lateral 

 lobes oblong, acute ; the middle one wedge-shaped, notched at the apex, the 

 claw partly adnate to the 2-winged column. — South Florida, Dr. Blod/dt. — 

 Scape 1° liigh, invested with numeroua short whitish sheaths. Leaves 4' -5' 

 long. Flowers 8" long. 



