
Exogene. 51 
807. K. virginica, Linn. Dwarf dandelion. May-Aug. Deep 
‘ys Q. 2to 8i. Arid soils, Louisville: M’Murt. ) 
808. Troximon glaucum, Pursh. Jul. y ¢. Mo. Ter. Nutt. 
Rare. ; 
$09. T. cuspidatum, Pursh. May. y. Grassy plains on the 
Misseuri. JVutt. 
Tribe 3. Lactucea.—Lettuce like. 
810. Lactuca elongata, Muhl. Wild lettuce. Milkweed. 
Fire-weed. Aug.—Sept. y. 3to6f. ¢. Newly cleared 
lands. Thickets. Ky. O. Sedative, laxative, diuretic, 
diaphoretic. Wood and Bache, 381. © 
Sll. L. integrifolia, Big. Jul. y 3to4f ¢. rd,&c. Mo. 
Ter. Nut. Near Cin. O. Properties like the last? 
812. L. hirsuta, Vuit, Aug. y& p. 4. O2 
813. L. canadensis, Linn, Sonchus pallidus, Pursh. Canadian 
milkweed. Jul.Sept. y 2to3f. U4. Woods. rd. 
Miami country. Medicinal? like 810. 
814. L. villosa, Jacg. Sonchus acuminatus, Wilid, Aug.— 
Sept. p, 3teo4f. ¢. sw. Miami country. Medicinal? 
815. L. ludoviciana, mihi. Sonchus ludovicianus, Vult. June. 
y- 3 to of. 2. Humid places. Mo. Ter. Mutt, O. Ky. 
{ have not the means of ascertaining where this species 
is placed by Don. 
$16. Agathyrsus leucopheus, Don. Jul.-Sept. Bluish w. 2 f. 
¢. rd. ow. Louisville. M’Murt. Miami country, 
817. A. floridanus, Don. Gall of the earth. Jul.Sept. 6. 
ott. 2. OWs 1,50, A reputed cure for the bite of 
the rattlesnake. 
818. A. macrophyllus, Don. Aug.-Sept. b 4to Tf . 
Humid situations, Miami country. 
$19. Sonchus oleraceus, Linn. Sow thistle. Jul.-Sept. 
2to4f, ©. Waste grounds. cf. Inir. W. 
820. S. arvensis, Linn. Jul. y. 2f. U. cf, &c. Intr. O. 
821. S. spinulosus, Big. Native sow. thistle. Aug. ye 26 
©. Salt marshes. Bk. Woods. rd. &c, Ky. Si. 
_ Miami couatry. 
¥y 
Sus-orpEr Ij. Carpvacex.—The thistle and its allies. 
$22. Arctium lappa, Linn. Burdock. Jul-Aug. p. 3to4f. 
x. Waste grounds. Intr. W. Aperient, diaphoretic, 
alterative. Wood and Bache, 105. Eberle. Beach. 
$23. Carduus lanceolatus, Linn, Common thistle. Sept. p. 
Zto4f. UY. go rd. &es Wy*' | 
$24. C. altissimus, Linn. Tall thistle, Sept. p. 3 to 8 f. 
aires ; 

