LIST OF GENERA AND SPECIES 1341 



Helenium campestre Small. Type, Little Rock, Ark., Hasse, May 25, 1885, in Herb. 



N. Y. B. G. 



Helenium polyphyllum Small. Type, Bain, PL Tenn. Occ., no. 77, in Herb. C. U. 

 Helenium Helenium (Nutt. ) Small. Leptopodum Helenium Nutt. 

 Helenium incisumi (T. & G.) Small. Leptopoda incisa T. & G. 

 Gaillardia trinervata Small. Type, Palmer, Ind. Terr., no. 448, in Herb. C. U. 

 Gaillardia chrysantha Small. Type, Bowie Co., Tex., Eggert, June 13, 1898, in Herb. 



N. Y. B. G. 



Thymophylla tagetoides (T. & G. ) Small. Hymenatherum tagetoides, T. & G. 

 Thymophylla polychaeta (A. Gray) Small. H ymenatherum polychaetum A. Gray. 

 Thymophylla Wrightii (A. Gray) Small. Hymenatherum Wrightii A. Gray. 

 Thymophylla tenuiloba (DC.) Small. Hymenatherum tenuilobum DC. 

 Thymophylla pentachaeta (DC. ) Small. Hymenatherum pentachaetum DC. 

 Thymophylla Treculii (A. Gray) Small. Hymenatherum Treculii A. Gray. 

 Thymophylla gnaphaloides (A. Gray) Small. Hymenatherum gnaphaloides A. Gray. 

 Mesadenia similis Small. Type, BentonCo., Ark., Plank, 1899, in Herb. N. Y. B. G. 

 Mesadenia maxima Harper. Type, Harper, Ga. PI., no. 1164, in Herb. N. Y. B. G. 

 Mesadenia difformis Small. Type, Walton Co., Fla., Curtiss, 1885, in Herb. N. Y. B. G. 

 Mesadenia sulcata (Fernald) Small. Cacalia sulcata Fernald. 

 Senecio rotundus (Britton) Small. Senetio obovatus rotundus Britton. 

 Carduus Helleri Small. Type, Heller, PI. So. Texas, no. 1720, in Herb. C. U. 

 Carduus austrinus Small. Type, Wright, Coll. N. Mex., no. 1291, in Herb. C. U. 

 Carduus revolutus Small. Type, Fla., Chapman, in Herb. C. U. 

 Carduus flaccidus Small. Type, La., Carpenter, in Herb. C. U. 

 Carduus pinetorum Small. Type, Cocoanut Grove, Fla., Small & Nash, Nov. 2 & 5, 1901, 



in Herb. N. Y. B. G. 

 Nabalus cylindricus Small. Type, Roan Mt., Tenn,, Britton, Sept. 9, 1885, in Herb. C. U. 



