326 82. OEeHiDACE^a;. 



16. CoEALjiOaBHizA. Perianth converging. Lip witli 2 

 prominent longitudinal, ridges at the base, 3-lobed ; lateral 

 lohes sinall; iniddle lobe large, slightly eniarginate. Spur 

 short or wanting. Stigma triangular. Rostellum wanting, 

 'biitwith a large globose appendage. Anth. terriiinal, 2- 

 ceUed, opening transversely. Column long. G-ermen slightly 

 stalked, straight. ' 



16. Mai.axis. Perianth patent. Lip posterior, erect, entire, 

 similar to the pet., smaller than the sepals. Spur 0. Stigma 

 rhomboidal. ilostellum short, entire, acute. Anth. terminal, 

 continuous with the short column, out of the apex of which 

 it .appears as if it were excavated, with 2 imperfect cells. 

 PoUen-masses connected at their apex. Germen upon a 

 twisted stalk. 



■17. iSticbmia. Perianth patent. Lip anterior, erect or ob- 

 ' • lique, entire, dilated, much larger than the sepals. Spur 0. 

 Stigma roundish. Rostellum wanting, but with an appen- 

 dage consisting of 2 tubercles. Anth. terminal, deciduous, 

 moveable Hie a lid, with 2 distinct cells. Column long. 

 Germen on a twisted stalk. 



Tr. y. CYPRIPEDIEM. titermediate anther barren petal- 

 ' like, 2 lateral anthers perfect. 



18. Cypbipbdidm. Perianth patent. Lip inflated. Column 

 trifid above ; the lateral lobes bearing stamens ; middle lobe 

 sterile, dilated. Two lower (lateral) sepals combined. 

 Germen straight. 



Tribe I. OphrydinetB. 



1. Ok'chis Linn. Orchis. 



* Glands of the pollen-masses separate, lip erect in the hud. 



t Bracts mostly l-veined, root-knobs undivided. 



X Lip B-lpivd, lobes broad and short. 



1. O.Mdrio (L.) ; lip crenulate, middle lobe truncate-emargi- 

 nate, spm- ascending subclavate rather shorter than the germen, 

 sep.andpet. bltmt converging, anth. obovate rather acute. — E.S. 

 2059. JR. xiii. 363.— St. 6—12 in. high. L. lanceolate, lower 

 spreading, upper adpressed. Fl. few, in a lax spike, purple ; sep. 

 {rarely patent) and pet. marked with green veins, converging so 

 as toiform a sort of helmet ; lip pale in the middle, spotted vpith 

 purple. Fl. sometimes white.' — Meadows and pastures. P. V. 

 VI. Green-ivinged Orchis. E. I. 



