GYNANDRIA DIANDRIA 



5iST 



inch longf elliptic-oblong erect, or appressed, on an angular clavate pedicel 



about half the length of the capsule. 



Uab. Moist meadows ; E. Goshen: rare. Fl. June. Fi . September. 



Obi This was first collected in 1813, by Mr. Geo. W. Hall, in a meadow near 

 the Gen. Greene Tavern, in East Goshen,-the only locality yet known in ihii 

 Countv. There are no other species known in the U. Slates. 



410. MICROSTVLIS. JSTutt. Gen. 2. p. 196. 

 [Greek, Mikros, little, and Stylos, a column ; from its slender column.] 



Perianth with the segments distinct, I of them deflected, the 2 inner 

 lateral ones filiform. Lip sessile,- concave, erect, the summit truncate 

 and bidentate. Column minute. Pollinia 3, or 4, loose. 



1 M. ophioglossoidks, Nutt. Scape 1-leaved; leaf ovate, amplex-* 

 jc'aul. Beck, Hot. p. 351. 



Malaxis unifolia. Mjo. Jim. 2. p. 157. Bigcl. host. p. 324* 



M ophioglossoides. IVilld. Sp. 4./;. 90. Pers. Sun. 2. p. 514. MuhL 



Catal. y>.°8t. Pursh, Am. 2. p. 592". Bart. PKiL 2. p. 143. Ell. Sb. 



2. p. 503. Bart. Am. 3. p. 61 (Icon, tab. 92. /. 2.). Torr. Comp. 



p. 322. 



Ophioglossum-like Microsttlts. Vulgo — Adder's tongue. 



Plant yellowish-green. Root perennial, fibrous and fasciculate, bearing a bulb, 

 or tuber, at the base of the scape. S:ape 3 or 4 to 9 inches high, angular, smooth, 

 with a sheath at base, and bearing a solitary leaf near the middle. Leaf 1 to 2 or 



2 and a half inches long, and 2 thirds of an inch to 2 inches wide, ovate, mostly 

 rather acute, smooth, sessile and sheathing, or amplexicaul. Flowers pale green, 

 or greenish-white, small, in an oblong obtuse terminal raceme 1 to 2 inches iu 

 length, many of the flowers abortive ; pedicels very slender, 1 fourth to half an 

 inch long, spreading, rather crowded at summit, the lower ones distant; bracts 

 small, lance-ovate, acute, membranaceous. Segments of the perianth minute, one 

 of them deflected, and involute on the margin ; //p.-erect, cleft at summit, with a 

 tooth in the division. . Capsule about 1 fourth of an incl* long, sub-turbinatc, or 

 obovoid-oblong, on a slightly clavate angular pedicel. 



llab. Moist low grounds, and thickets : not very common. Fl. July. Fr. Octo. 



Ob*. The only known species of the genus. 



Order 2. Diandria. 



§ IV. Lateral anthers perfect, the intermediate one abortive, 

 pet a hid* 



411. OYPRIPEDIUM. L. Mutt. Gen. 722, 



[Gr. Kypris, Venus, and Podion, a shoe ; the inflated lip resembling a flipper.}. 



Perianth with the 2 outer lateral (or lower) segments mostly united 

 nearly to the apex. Lip ventricose, or saccate, inflated, obtuse. Col- 

 umn terminating in a petaloid appendage. 



1. C. pubescexs, Swarz. Stem leafy; outer segments of the peri- 

 anth ovate-oblong, acuminate, the inner ones long, lance-linear, contor- 

 ted; lip shorter than the perianth-segments; appendage of the col*. 



