1914] 
GREENMAN AND THOMPSON—FLOWERING PLANTS 413 
Flaveria longifolia Gray, Pl. Fendl. 88. 1849. 
Var. subtomentosa Greenman & Thompson, var. nov. 
Forme typice habitu simili; caule plus minusve tomentoso; 
folis lanceolato-attenuatis basi plerumque ampliatis amplexi- 
caulibusque utrinque subtomentosis. 
Specimens examined: 
Mexico: State of San Luis Potosi, Minas de San Rafael, Novem- 
ber, 1910, C. A. Purpus, 4776 (Mo. Bot. Gard. Herb.), 
TYPE; Rio Verde, 17 November, 1910, C. R. Orcutt, 5421 
(Mo. Bot. Gard. Herb.); Rio Verde, 2-8 June, 1904, Dr. 
Edward Palmer, 26 (Mo. Bot. Gard. Herb.). 
