228 ORCHIDS. 



A. Cypripedium Argus. Philippines . . B. M., 6175. 

 A very handsome species, allied to Cypripedium barba- 

 tum ; foliage with rich tesselated markings ; sepal broad, 

 white, with many veinings of dark green and purple ; 

 petals greenish white, rose-colored at tip, studded with 

 dark purple spots ; lip dull purple and white ; flower very 

 large. A rare plant. 



A. Cypripedium barbatum. Mt. Ophir. B. R., 28, 17. 



B. M., 4234. 

 M. O. P., 8. 

 Fl. des Ser., 1453. 

 Fl. des Ser., 190. 



Sepals greenish white, violet-purple below ; upper sepal 

 white, rayed with purple j lip slipper-shaped, violet-pur- 

 ple ; foliage beautifully spotted. 



This species is easily distinguished by the purple, 

 heavy, and shining warts which border the upper margin 

 of the petals. It is a very handsome species, free-flow- 

 ering and of easy culture. 



A. Cypripedium barbatum nigrum. 



A showy variety producing very large flowers j lip dark 

 purple. 



A. Cypripedium barbatum superbum. 



A variety with brighter-colored flowers and more white 

 in the sepal. 



There are many other varieties, all good, among which 

 we may mention giganteum, Crossii, majus, multiflorum, 

 and pictum, which only differ in size of plant and color 

 of flower. 



