GooDYERA. ORCHIDACEiE. 285 



Rhizoma somewhat branching, throwing off thick fleshy fibrous roots. Leaves 1-2 inches 

 long, abruptly narrowed at the base into a petiole, of a dark dull green, marked with whitish 

 coarsely reticulated veins. Scape 8-12 inches or more in height, terete, pubescent, bearing 

 from 5-8 lanceolate scales. Flowers small, greenish white, in a close spike which is from 

 2-4 inches long. Bracts longer than the ovary, lanceolate, acuminate. Sepals broadly 

 ovate, obtuse, concave. Petals obliquely obovate. Lip deeply saccate, with a small abrupt 

 recurved acumination. Anther not mucronate. Summit of the column obscurely 2-toothed 

 and mucronate. 



Shady fertile woods : frequent. Fl. July - August. 



2. GooDYERA REPENs, R. Br. Smaller Goodyera. 



Leaves ovate-lanceolate, obscurely reticulate ; scales and flowers slightly pubescent ; lip 

 ovate, with an oblong obtuse acumination; column acutely 2-toothed at the summit. — R.Brown, 



1. c. ; Nutt.gen. 2. p. 190 ; Torr. compend. p. 319 ; Beck, hot. p. 343 ; Hook. fl. Bor.-Am. 



2. p. 203. Satyrium repens, Linn. sp. 2. p. 945 ; Michx. fl. 2. p. 157 (in part). Neottia 

 repens, Willd. sp. 4. p. 76 ; Pursh, fl. 2. p. 589 ; Bigel. fl. Bost. p. 323. 



Rhizoma creeping and branching. Leaves 1-2 inches long, acute, entirely green, or much 

 less reticulated than in the preceding species, tapering at the base into a petiole. Scape 

 slender, bracteate. Spike 2-3 inches long ; the bracts and flowers more or less pubescent. 

 Sepals ovate, obtuse. Petals oblong. Lip moderately saccate, somewhat fleshy, with a 

 rather long slightly recurved acumination. Stigma with 2 teelh or short horns at the summit. 



Shady woods in the northern counties, and on the higher parts of the Catskill mountains. 

 Fl. July and August. Our specimens from the northern part of the State agree very well 

 with the European G. repens, but the Catskill plant differs in several points. The anther is 

 distinctly mucronate, and the summit of the column terminates in two long subulate processes. 



14. LISTERA. R. Brown in hart. Kew. (ed. 2.) 5. p. 201 ; Lindl. Orchid, p. 455. 



TWAYBLADE. 

 [In honor of Dr. Martin Listes, a learned British naturalist.] 



Sepals and petals somewhat equal, spreading or reflexed. Lip mostly pendulous, 2-lobed or 

 2-cleft. Column short, wingless ; the beak rounded. Anther dorsal, ovate. Pollen 

 powdery. — Stem mostly with 2 opposite leaves. Flowers small, in a slender spike. 



1. LisTERA coRDATA, R. BroioTi. ' Heurt-leaved Twayblade. 



Stem with two cordate opposite leaves about the middle ; column very short, without a 

 crest ; sepals ovate-oblong ; lip linear, about 2\ times longer than the sepals, with a single 

 tooth on each side at the base, cleft to near the middle, the segments linear. — R. Br. I. c. ; 

 Nutt. gen. 2. p. 190 ? ; Torr. compend. p. 321 ; Beck, hot. p. 344 ; Hook. fl. Bor.-Am. 2. 

 p. 204. Ophrys cordata, Linn. sp. 2. p. 946 ; Michx. fl. 2. p. 158. Epipactis cordata, 



