£ynandrU. 465 



columnar receptacle. The learned Schreber 

 therefore justly removed them to the 5th 

 Class. 



But this Order may receive a reinforce- 

 ment from the Linnaean Pentandria Digy- 

 nia. Several of the Contort a have long- 

 been thought to belong to Gynandria ; see 

 Pergularia, Ic Pich t. 16, and Andr. 

 >Bcpos.t. 184. In this gertus, as well as 

 Cynanchum and Asckpias, the pollen is 

 produced in 5 pair of glutinous masses, 

 exactly like the pollen of Orchidece, from 

 5 glands inserted upon the stigma, so that 

 no plants can be more certainly gynandrous. 

 Some obscurity arises from each mass of 

 pollen being received into a kind of bag or 

 cell, formed by a peculiar valvular appa- 

 ratus that encircles the organs of impreg- 

 nation, and bears a great resemblance to 

 filaments or stamens. The pollen however 

 is, in the above genera, neither attached 

 to, nor secreted by these cells or valves. 

 but by the 5 glands, each of which is dou- 

 ble or two-lobed, and all of them seated 

 on that thick abrupt angular body which 

 performs the functions of a stigma. Nor is 

 2 h 



