508 PROCEEDINGS OF THE AMERICAN ACADEMY. 



D. PAPPOSA (Vent.) Hitchc. Trans. St. Louis Acad. Sci. v. 503 (4 

 February, 1891). This comljination is referred by Durand & Jackson, 

 Ind. Kew. Suppl. 1, p. 147 (1902), to O. Kuntze, Rev. Gen. i. 334 

 (September, 1891). There can, however, be no question as to the 

 priority of Prof. Hitchcock's publication, which was reviewed in the 

 Bulletin of the Torrey Botanical Club, xviii. 91 (issued 10 March, 

 1891). 



D. pinnata (Cav.), comb. nov. Aster pinnahis Cav. Ic. iii. 6, t. 

 212 (1795). Dysodia pubcsccns Lag. Nov. Gen. et Spec. 29 (1816). 

 D. subintegerrima Lag. 1. c. Bochcra incana Lindl. Bot. Reg. t. 1602 

 (1833). Dysodia incana (Lindl.) DC. Prod. v. 640(1836). Boebera 

 subintegerrima (Lag.) Spreng. Syst. iii. 545 (1826). Clomenocoma ? 

 pinnata DC. Prod. v. 641 (1836). Dysodia integcrrima Hemsl. Biol. 

 Cent. -Am. Bot. ii. 219 (1881), by error for D. subintegerrima. 



D. polychaeta (Gray), comb. nov. Ilymenatherum polychaetum 

 Gray, PI. \Yright. i. 116 (1852). Thymophylla poh/c/iaeta (Gray) 

 Small, Fl. S. E. U. S. 1295, 1341 (1903). ' ^ ' 



D. setifolia (Lag.), comb. nov. Thymophylla sefifolia Lag. Nov. 

 Gen. et Spec. 25 (1816). Thymophyllum sctifolium Hemsl. Biol. 

 Cent. -Am. Bot. ii. 221 (1881). Ilymenatherum setifolium (Lag.) Gray, 

 Proc. Am. Acad. xix. 42 (1883). 



D. Thurberi (Gray), comb. nov. Ilymenatherum ten ui folium var.? 

 Gray, PI. Wright, ii. 93 (1853). H. Thurberi Gray, Proc". Am. Acad. 

 xix.'41 (1SS3). 



D. tenuiloba (DC), comb. nov. Ilymenatherum tenuilobum DC. 

 Prod. V. 642 (1836). //. tenuifolium Gray, PI. Wright, i. 118 (1852), 

 by error of determination, not Cass. Thymophylla tenuiloba (DC.) 

 Small, Fl. S. E. U. S. 1295, 1341 (1903). 



D. Treculii (Gray), comb. nov. Ilj/menafherum n. sp.? no. 13 

 Gray, PI. Wright, i. 116 (1852). Ilymenaiher um Treculii Gray, 

 Proc. Am. Acad. xix. 42 (1883). Thymophylla Tnrulii (Gray) 

 Small, Fl. S. E. U. S. 1295, 1341 (1903). ' 



D. Wrightii (Gray), comb. nov. Ilymenatherum Wrightii Gray, 

 PI. Fendl. 89 (1819).' Thymophylla Wrightii (Gray) Small, Fl. S. E. 

 U. S. 1295, 1341 (1903). 



PoROPHYLLUM DECUMBENS DC. Prod. V. 650 (1836). Kleinia suf- 

 fruticosa Lodd. Bot. Cab. xvi. t. 1561 (1829), not Willd. This- is one 

 of many plants, which have been described solely from cultivated 

 specimens. The stock was thought to have originally come from 

 Mexico, but though first brought into cultivation as early as the twen- 

 ties, it has never been rediscovered in Mexico or Central America. 



