1478 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 



20. Coleosanthus glutinosus (A. Gray) Blake. 



Brickellia glutinosa A. Gray, Proc. Amer. Acad. 21: 385. 18S6. 



Known only from the type locality, near Jimulco, Coahuila. 



Fruticose, glutinous-scabriduloiis, about 25 cm. high; leaf blades 5 to 8 mm. 

 long and wide, dentate-lobate, punctate, coriaceous; heads about 26-fiowered, 

 terminating branchlets; phyllaries thick, stramineous, acute, the outer with 

 short caudate tips. 



21. Coleosanthus laciniatus (A. Gray) Kuntze, Rev. Gen. PI. 1: 328. 1891. 

 Brickellia laciniata A. Gray, PI. Wright. 1: 87. 1852. 



Chihuahua to Nuevo Le6n and Zacatecas. Texas and New Mexico; type 

 collected 40 miles east of El Paso, Texas. 



White-barked, hispidulous-puberulous, up to 1.2 meters high; leaves alternate, 

 the blades broadly ovate to rhombic-ovate, 6 to 15 mm. long and wide, coarsely 

 and bluntly toothed, coriaceous; heads 9 to 12 mm. high, about 9-flowered, in 

 long narrow leafy inflorescences; phj^llaries thinnish, obtuse, scarious-margined. 



22. Coleosanthus calif ornicus (Torr. & Gray) Kuntze, Rev. Gen. PI. 1: 

 328. 1891. 



Bulhostylis calif orjiica Torr. & Gray, Fl. N. Amer. 2: 79. 1841. 



Brickellia californica A. Gray, Mem. Amer. Acad. n. ser. 4: 64. 1849. 



Brickellia wrightii A. Gray, PI. Wright. 2: 72. 1853. 



Coleosanthus melissaef alius Greene, Leaflets 1: 150. 1905. 



Chihuahua, Sonora, and northern Baja California. Colorado to California 

 and Texas; type from California. 



Fruticose, up to 1 meter high, griseous-puberulous; leaves alternate, the 

 blades deltoid-ovate, 1 to 5 cm. long and broad, subtruncate or cordate at base, 

 thickish; petioles 4 to 20 mm. long; heads racemosely or spicately arranged. 

 22a. Coleosanthus californicus tener (A. Gray) Blake. 



Brickellia tencra A. Gray, PI. Wright. 2: 72. 1853. 



Brickellia wrightii tenera A. Gray, Syn. Fl. 1-: 106. 1884. 



Coleosanthus tener Kuntze, Rev. Gen. PI. 1: 328. 1891. 



Coleosanthus axillaris Greene, Leaflets 1: 149. 1905. 



Brickellia californica tenera Robinson, Mem. Gray Herb. 1: 70. 1917. 



Sonora; type from Santa Cruz. Utah to Arizona and New Mexico. 



Similar; leaves mostly 3.5 to 4.5 cm. long, ovate, thin, abruptly narrowed or 

 rounded at base; heads usually glomerate in the axils. 

 22b. Coleosanthus californicus lobulatus (Robinson) Blake. 



Brickellia californica lohulata RoViinson, Mem. Gray Herb. 1: 71. /. 48, 5. 1917. 



Known only from the tj'pe locality, near Parras, Coahuila. 



Leaves thin, about 4 cm. long and wide, deltoid-ovate, broadly cordate, 

 coarseh' crenate-lobulate. 



23. Coleosanthus veronicaefolius (H. B. K.) Kuntze, Rev. Gen. PL 1: 

 328. 1891, as C. veronicifoliiis. 



Eupatorium veronicaefolium H. B. K. Nov. Gen. «fe Sp. 4: 112. pL 341. 1820. 



Bulhostylis veronicae folia DC. Prodr. 5: 139. 1836. 



Brickellia galeottii A. Gray, PI. Wright. 1: 85. 1852. 



Coleosanthus galeottii Kuntze, Rev. Gen. PI. 1: 328. 1891. 



Coahuila to Oaxaca; type from State of Mexico, near Guadalupe. 



Shrubby, about 80 cm. high, griseous-puberulous or hispidulous; leaves oppo- 

 osite, the blades 4 to 16 mm. long, 7 to 25 mm. wide, crenate, thick, griseous- 

 puberulous; petioles 3 to 6 mm. long; heads 12 to 17 mm. high, 18 to 25-flowered, 

 panicled or subspicate; outer phyllaries tomentose at tip, obtuse. "Gober- 

 nadora," "gobernadora de Puebla" (Hidalgo); "mejorana" (Zacatecas); 

 "peist6n," {Urbina); "pexto," "pext6n" (Ramirez); "pest6n," "oregano del 

 cerro" (Durango); "oregano del monte," "oregano del campo." 



