It is a native of Texas, whence it was sent to Sir William 

 Hooker, by the late Mr. Thomas Drummond, in 1835. 



Fig. 1. represents a corolla cut open, to shew the inser- 

 tion of the stamens ; 2. is an ovary cut across, together with 

 a cup-like disk in which it is seated ; 3. is the calyx opened 

 out, to shew the pistil; and 4. is a very highly magnified 

 view of one of the hairs that so thickly clothe the calyx ; the 

 surface of the hair is thickly studded with minute elevated 

 points, a circumstance by no means common. 



