538 FLORA OF TEXAS. 



LIPARLS, Richard. Twayblade. 



iSepals spreading; j^etals linear or filiform, spreading or 

 reflexed ; Up entire, flat, often with two tubercles above the 

 base; column long, semi-terete, incurved, margined at the 

 i!i\}Q\', pollen-masses 4, collateral, united by pairs at the 

 apex. — Low herbs, from bulbous roots ; leaves 2, sheathing 

 the base of the scape-like stem ; flowers racemed, greenish 

 or purplish. 



L'. LiLiiFOLiA, Richard. Leaves elliptical, obtuse, sheath- 

 ed at the base; scape 3-angled, lO-SO-flowered, longer than 

 the leaves; sepals linear, whitish; petals filiform, reflexed, 

 yellowish; lip^ large, wedge-obovate, concave, abruptly 

 pointed, brownish purple. (Malaxis liliifolia, Swartz.) 

 Low shady woods and banks. June and July. Scape 

 5-10' liigh; leaves 2-4' long; lip -J-' long. 



CORALLORHIZA, Haller. Coral-eoot. 



Septals smd petals alike, oblong or lanceolate, connivent; 

 lijj clasping the base of the straight 2-edged column, spread- 

 ing and concave above, 2-ridged near the base, spurless, or 

 with the spur adnate to the ovary; anther lid-like ; p)ollen- 

 masses 4, incumbent. — Low dull-colored leafless herls, with 

 coral-like roots, sheathed stems, and racemose floicers. 



C. odoxtorhiza, Nutt. Boot pinnately branched and 

 toothed; stem tumid at the base, slender above; sheaths 

 3, elongated; racemes 10-15-flowered ; sepals and the 

 rather shorter spotted petals erect, lanceolate, obtuse ; lip 

 entire, longer than the sepals, distinctly clawed, the spread- 

 ing limb oval, concave, 3-nerved, with two tooth-like ridges 

 in the throat, white spotted with purple; the margins 

 crenulate below the middle and involute above ; margins 

 of the column thickened and incurved at the base ; capsule 

 oval, nodding. Shady woods. February and March. Stem 

 8-16' high; lip 4" long. 



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