coKFOii:vrATio:^r or the genus ctpuipediuk. 



413 



four staraens — Ai, ai, and a 2 developed as flat petals, while «3 

 s present in the form of a small lip. In this case not one of the 



stamens was fertile; hut all were pefcalodic, as was also one of 

 the styles Gi, thns affording an instance of a double-flowered 

 Cypripedium* (fig. 8, p. 414). 



Fig. 6. 



Fig- 7. 



s 



s s 



Ci/pripedium Lawrenceanum, 

 Plan of arrangement of parts, 



Cypripedium Lawrmceanum. —Flovrer lu section, with 

 some of the parts removed to show 07ie lip, 02, en- 

 closed within the normal one L. S, sepals, the two 

 lower ones concrescent ; P P, petals cut across at 

 their base ; Ai staminode ; S, sti<^ma. 



* Masters m Gard. Chron. May 9. 1885, p. 597, fig. 112 



