OF NORTH AMERICA. 79 
also to my Chondrophora ( the Chrysocoma 
niidata of N.) with a scaly phoranthe & c.— 
I have prepared a monograph of 15 sp. where- 
of 9 are my own, if 'L dentata, rotundi folia, 
oblongata , quinquefida , cuncala, pulvevulen ta y 
lobata, besides my C acallaptcranthes and pan- 
iculata of annals Nut. 1820, the old sp. are iff. 
atriplicifolia , reniformis , ovata , lanceolata , 
plantaginea (the C. tuberosa of N.) — as to the 
Cacalia suaveolens L. which Elliot refers to 
Sewcio, it is my G. Hast cola distinguished by 
the anthers cristate. I will only add here a few 
of my N. sp. 
938. Mesadenia rotundifolia R, leaves 
rounded 3-5nerved entire or repand glaucous 
beneath, lower on long petiols, obtuse or retuse, 
upper sessile acute, dowers corymbose, seg« 
ments of perianthe oblong obtuse enerve, mar- 
gin white — In the Musketong and Mahantango 
Mts. 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. 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 subtrinerve— in 
Alabama, very different from IfL ovata with 
obtuse narrower leaves. Tri pedal, leaves 4 to 
5 inches long, 3 or 4 broad, petiols 2 or 3 long, 
stem leaves I or 2 inches long, corymb with 
many branches and multiflore. 
938. Mesadenia pulverulenta R, leaves 
petiolate 5nerved glaucous pulverulent on both 
sides, lower on long petiols broadly cordate acute 
angular, upper ovate or rhomboidal acute at 
