ORCHIDACE^E. 351 



at the base. Column curved. Stigma ovate, mostly rostrate. 

 Ovary oblique. Pollen powdery. 



1. S. tortilis Rich. : radical leaves lance-linear ; scape sheathed; flowers 

 spirally secund ; lip trifid ; the middle lobe larger and crenulate. Neottia 

 tortilis Pursh. Ophrys cestivalis Mich. 



Low meadows. N. Y. to Flor. June, July. 1{.. Scape about a foot high. 

 Flowers white, spirally twisted in a terminal spike which is 2 4 inches long. 

 Perhaps not distinct from the next. Three-lobed Ladies' Tresses. 



2. S. gracilis Big. : radical leaves ovate ; scape sheathing ; flowers in a 

 spiral row ; lip obovate, curled. 



Dry woods. N. Y. and Mass. July. \i. Scape 8 12 inches high, erect, 

 with a few sheathing scales or leafets. Leaves on short petioles, sometimes fall- 

 ing off before the plant flowers. Flowers white, in a twisted spike. 



Slender Ladies' Tresses. 



3. S. cernua Rich. : leaves nearly radical, lance-linear ; scape sheathed, 

 the lower sheaths bearing short leaves ; flowers in a dense spike, obliquely 

 recurved and cernuous ; lip oblong, obtuse, crisped and crenate. Neottia 

 cernua Willd. 



Moist grounds. Can. to Flor. July, Aug. Ij.. Scape 6 18 inches high, 

 (rarely 2 3 feet.) Leaves radical or near the base of the scape, 3 10 inches 

 long. Flowers greenish- white, sometimes a little yellowish, larger than in the 

 preceding. It is liable to considerable variation in the number, and somewhat 

 in the form of the leaves. Nodding Ladies' Tresses. 



4. S. plantaginea Torr. : entirely smooth ; leaves mostly radical, oblong- 

 lanceolate, 3 7-nerved ; scape somewhat succulent, with 2 3 nearly leaf- 

 less sheaths ; spike loosely spiral ; flowers slender and recurved-cernuous ; 

 lip oblong, obtuse, crenulate on the margin, about 5-nerved. S. (gstivalis 

 Oakes, not of Rich. Neottia plantaginea Raf. 



Moist woods. Ver. and N. Y. Torr. June. '^j-. Root consisting of oblong 

 fascicled tubers. Scape 5 10 inches high, with 2 or 3 sheaths which are pro- 

 duced into short linear leaves. Flowers white, the lip pale-yellow, in a spike 

 which is about 2 inches long. Ladies' Tresses. 



16. GOODYERA. Brawn. Goodyera. 

 (In honor of John Goodyer, an old English botanist.) 



Perianth ringent ; the outer segments herbaceous, the upper 

 one vaulted, the 2 lateral ones placed beneath the saccate en- 

 tire lip. Column free. Pollen angular. Stigma roundish or 

 rostrate. 



1 . G. pubesccns Brown : radical leaves ovate, petiolate, reticulate ; scapo 

 with the flowers and sheathing scales pubescent ; outer lateral segments 

 of the perianth ovate : lip roundish-ovate, acuminate. Neottia pubesc.en.s 

 Willd. 



Shady woods. Can. to Flor. July, Aug. 1\.. Scape 6 10 inches high. 

 Leaves radical, dark-green, veined with white. Flowers greenish-white, in an 

 oblong spike. Rattlesnake Plantain. 



2. G. repens Brown : radical leaves ovate-lanceolate, petiolate, somewhat 

 reticulate ; flowers unilateral and with the scales slightly pubescent ; outer 

 segments of the perianth and lip lanceolate. Neoltia re-pens Wittd. 



