DISPLACEMENT. 



93 



complete absence of the lower one. In the second or 

 inner whorl of the perianth the lip is merely a little 

 oblique on one side, but the lateral petals are distorted, 

 displaced, and adherent one to the other and to the 



Fio. 44. Malformed flower of 

 Cypripedium. 



Fig. 45. Diagram of mal- 

 formed Cypi'i^edium. o, outer 

 segments; i, inner segments of 

 perianth ; e, lip ; , stigma ; a, 

 anther. 



column, while the posterior shield-like rudimentary 

 anther is completely wanting. 



In a specimen of Lycaste Skinneri similar changes 

 were observed, as shown in the plan, fig. 47. Here 

 the posterior sepal was deficient, the two lateral ones 



o 



Fio. 46. Diagram showing ordi- Fio. 47. Plan of flower of Ly- 



nary arrangement in Cypripedium. caste Skinneri, showing displace- 



o, outer, i, inner segments of peri- ment of organs, 

 anth; e, lip; a, anther; a', abortive 

 stamen ; s, stigma. 



were present, one of them with a long tubular spur, oo; 

 of the two lateral petals, i i, one was twisted out of 

 place, so as partially to occupy the place of the 

 deficient sepal ; the lip was represented by two three- 

 lobed segments, /, one above and mthin the other. The 



