S5G orciiidace.*. 



Order 117. ORCHID ACES.— Orchis Family. 



Perennial often acatdacent herbs, with fleshy corms, or tuotrous fasricidatci roots, 

 timple, paralM-vined entire leaves, and irregular Ginerous Jl&v.-ers ; the perianth ad- 

 herent to Vie l-ceUed ov try with 3 parietal placenta, gynandrom stamen*., <:nd p-iUen 

 cohering in waxy or mealy masses. Perianth SECUCSNTS in 2 rows, the outur (calyx) 

 Usually colord and potaloid like the inner, the lowest one (lip) different from the 

 others and often spurred. Stamens 3, milted with the style and thus forming I'm 

 tUwnn, on which the 2-ceUed anther is variously situated. 



1. MICROSTYLUS, Nutfc. Adder's-mouth. 



Gr. mikros, little, and stylos, a diminitire column or style. 



Sepals spreading. Petals filiform or linear, spreading. 

 Lip auriclcd or h albert- shaped at the base, entire or nearly 

 so. Column very small, with 2 teeth or wings at the sum- 

 mit. Pollen masses 4, collateral, cohering by pairs at tho 

 npex. — Small Juris, arising from solid bulbs, producing sim- 

 ple stems or scapes, which Lear 1 or 2 leaves, and a raceme of 

 minute greenish flowers. 



M. ophioglossoides, Nutt. Common Adder' s-mouth. 



Leaf solitary near the middle of the stem, ovate, clasping ; raceme short and ob- 

 tuse; pedicels much longer than the flowers; Up obtusely au'rieled at the bow, 

 3- toothed at the summit. 



Damp woods, rare. July. Stem 4 to 10 inches high. 5-angled, with a single leaf 

 about 2]4 inches long and 1 inch wide. Flowers whitish, minute, nuinvrons, in a 

 tenainafruceiac an insh or more in length. 



2. LIPARIS, Richard. Twayblade. 



Cr. UparoSj fat or shining; in allusion to the smooth leaves. 



Sepals and petals nearly equal, linear, or the petals 

 filiform, spreading. Lip flat, entire often bearing 2 tubercles 

 above the base. Column elongated, incurved. Pollen 

 MASSES 4, collateral. — Small perennial herbs, arising from 

 solid bulb.', with 2 root-leaves and a low scape, bearing a ra- 

 ceme of few purplish or greenish flowers, 



1. L. liliifolia, Richard. Lily -leaved Twayblade. 



Leaves 2, ovate, shorter than tho scape; petals filiform, reHcxed ; lip large, wedjpa- 

 ohjvate, abruptly short-pointed 1 . (Malaxia liliifolia, IVilld.) 



Moist woodlands. Juno. Sc-ipe 6 to 8 inches high, triaugular. Leivs ralicaL 

 S to (3 inches long, ]/^ to x /, as wide, tapering into a sheathing b.ise. Fl nu^rs rather 

 htr^e, 10 to 20 in a terminal raceme ; the o sepals greenish-while, 2 upper pel*i# # 

 jellowish : white, and the large lip white. 



2. L- Lceselu, Richard. Smaller Twayblade. 



Leaves 2, elliptical lanceolate or oblong, sharply keeled ; leapt angular; lip obo- 

 ruce or ovate, entire. (Malaxis Correana, Dart.) 

 Bogs tnd * et laeadowi, rare. June, July. S.ape 5 to S lachea high, 3 to 5-angkd. 



