350 MONOCOTYLEDONOUS PLANTS. 



die one 'largest, with the fimbriae connivent ; lateral segments iimbri- 

 ate ; spur ascending, clavate, longer than the germ ; leaves oval-ob- 

 long. Orchis grandiflora Big. 



HAB. Meadows. Mass, and N. H. Big. June. U.Stcm 2 

 feet high, thick and angular, flowers in an oval-oblong spike, 

 pale purple, twice the size of H. jimbriata, from which it also 

 differs in the form of the lip. 



13. * TIPULARIA. Nutt. 



Segments of the perianth spathulate, spreading. Lip en- 

 tire, sessile, conspicuously calcarate below at the base. Co- 

 lumn wingless, porrected, .free. Anther operculate, persis- 

 tent. Pollinia 4, parallel. Gynandria. Monandria. 



T. discolor Nutt. Orchis discolor Pursh.-Limodorum uniflorum Muhl. 



HAB. Pine woods. Ver. to Car. July. l[.Root bulbous. 



Leaf solitary, ovate, petiolate, plaited, smooth. Flowers in a 



terminal raceme, nodding, minute, greenish and destitute of 



bracts. 



*** Pollen cohering in grains, which finally become waxy, and 

 are definite in number. 



14. LIPARIS. Rich. 



Perianth spreading. Lip flat, expanded, entire, turned va- 

 rious ways. Column winged. Pollinia 4, with neither caudi- 

 cula nor glands. Gynandria. Monandria. 



1. L.liliifolia Rich.: leaves 2, ovate-oblong; scape angular; flow- 

 ers racemose ; segments of the perianth linear ; lower ones setaceous, 

 reflexed : lip concave, obovate, mucronate at the tip. Malaxis idiifo- 

 lia Sicartz. Pursh., 



HAB. Wet woods. Can. to Car. June, July. 1J.. Scape 6 ft 

 inches high. Flowers in a short raceme, yellowish and white. 



2. L. correana Sprcng : leaves 2, ovate-oblong ; scape angular ; seg- 

 ments of the perianth revoluie on the margin ; lip oblong keeled, re- 

 curved and cordate at the apex. Malaxis correana Bart. Nutt. 



HAB. WeJ woods. Can. and N. S.Stem 68 inches high, 

 angled and winged, with 2 opposite leaves at the base. Flowers 

 yellowish-green, in a terminal spike. Resembles L. Ictsdii of 

 Europe, but that species has a triangular stem and its lip entire 

 and shorter than the perianth. Dr. Graham m Edin. New Phil. 

 Jour. v. 377. 



15. MICRO STYLIS. Suit. 



Lip flat, sagittate or deeply cordate. Column very small, 

 round. Pollinia 4, loose. Gynandria. Monandria. 



