342 CLASS XX. ORDER I. 



An inelegant species about a foot high, with small yellowish 

 or greenish flowers. Leaves lance-ovate, upper ones linear- 

 lanceolate. — About Fresh pond. — June. — Perennial. 



Orchis orbiculata. Pursh. Round leaved Orchis. 



Lip linear, entire, obtuse ; the three upper petals 

 connivent, the two lateral ones spreading, oblique at 

 base; spur longer than the germ; scape with two 

 flat, orbicular leaves at base. 

 Syn. Hebenaria orbiculatia. Br. 



A remarkable species, with .two large, round leaves spreading 

 flat upon the ground, their form sometimes varying to ovate. 

 Scape a foot or two high, bearing a spike of greenish flowers 

 with long, linear lips. — In Danvers. Dr. Nichols. — In Hallo* 

 well, Maine, and Conway, New Hampshire. — July. — Perennial. 



Orchis dilatata. Pursh. Tall Orchis. 



Lip linear, entire, obtuse, dilated and rounded at 

 base ; spur as long as the lip, shorter than the germ ; 

 bractes as long as the flowers ; stem leafy. 

 Syn. Haeenaria dilatata. Br. 



A very tall species with numerous lanceolate leaves, and green 

 or whitish flowers without beauty. — Common on the sides of the 

 White mountains by the margins of brooks. — July. — Perennial. 

 Orchis bracteata. JVilld. Bracted Orchis. 



Lip linear, emarginate, obsoletely three toothed ; 

 petals subconnivent, lateral ones ovate, broader ; spur 

 obtuse, scrotiforrn; bractes twice as long as the flower. 

 Syn. Haeenaria bracteata. Br. 



Root approaching to palmate ; the divisions fewer. Lower 

 leaves somewhat obovate ; upper leaves lanceolate. Bractes 

 linear-lanceolate, twice as long as the flower. Petals green, 

 ovate, converging, the two lateral ones longest. Lip green, 

 linear oblong, ending in three teeth, the middle one shortest. 

 Spur obtuse, inflated, transparent, half as long as the lip. — 

 Woods, Vermont, &:c. — June. — Perennial. 



