1476 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 



7. Coleosanthus lemmoni (A. Gray) Kuutze, Rev. Gen. PI. 1: 328. 1891. 

 Brickellia lemmoni A. Gray, Proc. Amer. Acad. 17: 206. 1882. 

 Chihuahua. Southern Arizona; type from Chiricahua Mountains. 

 Sufifrutescent below, about 50 cm. high, griseous-puberulous; leaf blades 



elliptic to lance-oblong, 2 to 4.5 cm. long, 1 to 1.4 cm. wide, crenate-serrate, 

 griseous-puberulous; heads racemose or spicate, at length conical-paniculate, 

 slender-pediceled, 11 to 14 mm. high, about 10-fiowered. 

 7a. Coleosanthus lemmoni wootoni (Greene) Blake. 



Coleosanthus wootoni Greene, Bull. Torrey Club 24: 511. 1897. 



Coleosanthus densus Greene, Pittonia 4: 126. 1900. 



Brickellia lemmoni wootoni Robinson, Mem. Gray Herb. 1: 50. 1917. 



Chihuahua. New Mexico; type from Organ Mountains. 



Heads mostly subsessile, thyrsoid-panicled. 



8. Coleosanthus venosus Woot. & Standi. Contr. U. S. Nat. Herb. 16: 177. 



1913. 



Brickellia venosa Robinson, Mem. Gray Herb. 1: 50. 1917. 



Sonora and Chihuahua. New Mexico and Arizona; type from Mangas 

 Springs, New Mexico. 



Frutescent at base, griseous-puberulous, about 70 cm. high; leaf blades nar- 

 rowly eUiptic or linear-elliptic, 2.5 to 5.5 cm. long, 2 to 9 mm. wide, crenate or 

 subentire, obtuse; heads 1 cm. high, about 24-fiowered, on slender pedicels 

 mostly twice as long, forming a narrow loose panicle. 



9. Coleosanthus oliganthes (Less.) Kuntze, Rev. Gen. PI. 1: 328. 1891, as 



C. oliganihus. 



Eupatorium oliganlhes Less. Linnaea 5: 137. 1830. 



Bulboslylis oliganthes DC. Prodr. 5: 139. 1836. 



Brickellia oliganthes A. Gray, PI. Wright. 1: 84. 1852. 



Coleosanthus polyanthemus Greene, Pittonia 4: 126. 1900. 



Nuevo Le6n to Veracruz; type from Hacienda de La Laguna, Veracruz. 



Herbaceous or sufifrutescent, about 60 cm. high, griseous-puberulous; leaf blades 

 oblong to oval, 2.5 to 5.5 cm. long, 1 to 2 cm. wide, crenate-serrulate, coriaceous; 

 heads about 12 mm. high, slender-pediceled or subsessile, in a narrow, often 

 spiciform panicle. 



10. Coleosanthus reticulatus (DC.) Kuntze, Rev. Gen. PL 1: 328. 1891. 

 Bulboslylis reticulata DC. Prodr. 7: 268. 1838. 



Brickellia reticulata A. Gray, PI. Wright 1: 84. 1852. 

 Mexico; exact locality not known. 



Suffrutescent, griseous-puberulous; leaves oblong, entire, coriaceous; heads 

 pedicellate, about 20-fiowered. (Description compiled.) 



11. Coleosanthus verbenaceus Greene, Pittonia 4: 125. 1900. 

 Brickellia verbenacea Robinson, Mem. Gray Herb. 1: 53. 1917. 

 San Luis Potosi to Morelos and Jalisfo; tj'pe from San Luis Potosi. 

 Sufifrutescent or herbaceous, up to 1.2 meters high, scabriusculous; leaf blades 



oblong-elliptic to ovate-oblong, 3 to 6 cm. long, 1 to 2.8 cm. wide, serrate, very 

 strongly reticulate beneath, coriaceous; heads chiefly sessile in a spikelike panicle, 

 about 14-tlowered; phyllaries firm but thin. 



12. Coleosanthus pringlei (A. Gray) Kuntze, Rev. Gen. PI. 1: 328. 1891. 

 Brickellia pringlei A. Gray, Proc. Amer. Acad. 17: 206. 1882. 



Sonora and Tepic. Southern Arizona; type from Santa Catalina Mountains. 



Sufifrutescent or herbaceous, scabrous-puberulous; leaf blades oblong or lance- 

 oblong, 2 to 6 cm. long, 1 to 2 cm. wide, serrate, coriaceous, griseous-tomentellous 

 or scabriusculous beneath; heads sessile or nearly so in the upper axils, sometimes 

 glomerate, 16 to 18 mm. high, 19 to 24-flowered. 



