26 Asclepias quadrifolia. 



smaller than the rest, and all paler beneath than above. A pair of leaves 

 more acute than the others at the fork of the umbels, which are two in 

 number, loose-flowered. Flowers white, small, on filiform pedicels. 

 Root long, horizontal, tubercular, of a yellow-ochre colour, with lighter- 

 coloured fibres. Grows generally in shady places. Flowers from May 

 to July. 



The table represents the plant of its natural size. 



