OF NORTH AMKR1CA. ?9 



also to my Chondrophora (the Chrysocoma 

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

 I have prepared a monograph of 15 up. where- 

 of 9 are my own, M. de.ntuta, rvtundifolia, 

 oblongata, quinquefida, cuneala^pulttrulenta^ 

 lobata, besides my Cacalia pier ant lies and pan- 

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

 dtriplicifolia, rcniformis, omitn, lance o la t a, 

 plantagiuea (the C. tuberosa of N.) as to the 

 Cacalia suaveolens L. which Elliot refers to 

 ScneciOi it is my G. Hasteola distinguished by 

 the anthers cristate. I will only add here a few 

 of my N. sp. 



936. MESADENIA ROTUNDIFOLIA 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 perianthe oblong obtuse enerve, mar- 

 gin white In the Musketong and Mahantango 

 Alts, of Alleghanies, 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. 



937. MESADENLA 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. oeata 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, coiymb with 

 many branches and multiflore. 



938. MESADENIA PULVERULKNTA R. leaves 

 petiolate onerved glaucous pulverulent on both 

 sides, lower on long petiols broadly cordate acute 

 angular, upper ovate or rhomboid a 1 acute at 



