NEOPIIYTON. 33 



hardly viscose pubescent entire obtuse, flowers 

 axillary subsessile, calix hispid striate, petals 

 white cuneate small — in the Alieghanies of 

 Pennsylvania, only found once in 1833, north 

 of Garble, annual, semipedal,quite distinct from 

 C viscosissima having many purple flowers, 

 stem much branched and clammy, leaves nar- 

 rower lanceolate <^*c. 



269. CoMANDUA OBOVATA Raf. stcm ramose 

 angular striate, leaves oboval subobtuse, um- 

 bellules 3-5fiowered, pedicels equal to flowers, 

 bracts obovate equal to pedicels — mts. Aliegha- 

 nies pedal. The Thcsium umbellatum of L, 

 has been well described as a N. G. Comandra 

 by Nuttal, but he neglected the species thereof, 

 and so have done all our botanists, there are 

 now 7 or 8 sp. of this G. and I will distinguish 

 5 sp. of it, all blended by our careless Authors. 

 All have white estival flowers. 



270. Comandra elliptica Raf. stem angu- 

 lar hardly branched, leaves broad oblong ellip- 

 tic acute, umbellules sub Sflowered, pedicels 

 shorter, bracts lanceolate equal to pedicels — 

 common, pedal, estival, probably the C. ?«m- 

 belUilata of Nuttal and most of our Botanists. 



271. Comandra obtusi folia Raf. stem an- 

 gular branched above, loaves imbricate narrow 

 oblong obtuse, umbellules 3-5fl. pedicels very 

 short or wanting, bracts subulate — ^Ohio to 

 Illinois, semipedal, 



272. Comandra media Raf. stem terete stri- 

 ate ramose, leaves broad oblong acute, umbell- 

 ules l-3flore, pedicels equal, no bracts — in New 

 Jersey and Virginia, pedal. 



273. Comandra cuneifolia Raf. stem slen- 

 der subangular, leaves lax cuneate nearly acute 

 umbellules 3-5flore, pedicels very short, bracts 



5 



