or JfORTH AWERICA. /« 



also to my Chondrophora (tli^ Chrysoconia 

 nudata of N.) with a scaly phoranthe &.c. — 

 I have prepared a monograph of 15 sp. \\here' 

 of y are my own, M. dt.ntata^ rotundifolia, 

 oblongata^ quinquejida^ cuneata, pulcei^ulentay 

 lobata^besides my CacaUapttranlhes and pan- 

 iculata of annals Nut. 1820, the old sp. are M, 

 atriplicifolia^ reniformis^ ovata^ lanceotata^ 

 plantaginea (the C. taberosa of N.) — as to the 

 CcLcalia suaceolens L. which Elliot refers to 

 Senecio^ it is my G. Hasteola distinguished by 

 the anthers cristate. I will only add here a few 

 of my N. sp. 



936. Mesadenia kotundifolia R. leaves 

 rounded 3-5nerved entire or repand glaucous 

 beneath, lower on long petiols, obtuse or retuse, 

 upper sessile acute, flowers corymbose, seg- 

 ments of perianths oblong obtuse enerve, mar- 

 gin white — In the Musketong and Mahantango 

 Mts. of AUeghanies, 2 or 3 feet high, lower 

 leaves 3 or 4 inches long and broad with 5 

 nerves reticulate, petiols 4 to 8 inches long, 

 upper leaves uncial. 



9'57. Mesadenia dentata R. leaves broadly- 

 ovate acute and acutely dentate 3-5nerved not 

 glaucous, lower on short petiols, on stem sessile 

 acuminate, flowers in compound corymb, seg- 

 ments of perianth oblong acute suhtrinerve — in 

 Alabama, very different from M. ovata with 

 obtuse narrower leaves. Tripedal, leaves 4 to 

 5 inches long, 3 or 4 broad, petiols 2 or 3 long, 

 stem leaves 1 or "2 inches long, corymb with 

 many branches and multiflore. 



938. M^ADENiA PULVERULENTA R, leaves 

 petiolate onerved glaucous pulverulent on both 

 sides, lower on long petiols broadly cordate acute 

 angular, upper ovate or rhomboidal acute at 



