50 PENTANDRIA DIGYNIA. Asclepias. 



Column of fructification, including the nectarium, 

 scarcely differing from the other Asclepiadice will not 

 therefore require to be particularized. Follicles slender, 

 diverging horizontally, round, about as thick as a goose 

 quill where thickest, and about five inches long, obtuse, 

 dotted with small, scabrous specks, otherwise smooth, 

 and brown. Seeds cuneiform. Tuft or coma very long, de- 

 licately fine, and white. Integument single, smooth, brown, 

 adhering firmly to the perisperm which is in small quanti- 

 ty, and pale coloured. Embryo straight, inverse. Cotyle- 

 dons linear-oblong. Radicle cylindric, pointing to the 

 coma or tuft. 



24. A. micrantJia. R. 



Twining, smooth. Leaves petioled, oval, rather obtuse, 

 long, acuminate, tumid. Panicles sub-axillary, globu- 

 lar ; corols companulate, stellate, villous. Genitalia sub- 

 globular. A large, perennial, twining, delicate plant, 

 a native of Hindoostan, from the vicinity of Cawnpore. 

 Colonel Hardwicke sent it to the Botanic Garden at Cal- 

 cutta, where it blossoms during the rains. 



25. A. herbacea. R. 



Herbaceous, erect. Leaves petioled, oblong. Umbels 

 compound. Corols with globular tube, which enclose the 

 genitalia. 



This is probably Sir William Jones's Padmarka, see 

 Asiatic Researches, vol. 4. page 267. It is a native of the 

 interior parts of Bengal, and was introduced into this gar- 

 den by Dr. William Carey. 



Root perennial, ligneous. Stems herbaceous, straight, 

 with scarcely any branches. Bark of the oldest parts, light 

 ash colour, of the young shoots green. Leaves opposite, 

 petioled, oblong, entire, smooth on both sides, pale green, 

 underneath more so ; there are four or five minute bristly 

 glands on the upper surface of the middle nerve near 



