1482 CONTEIBUTIONS FEOM THE NATIONAL HERBARIUM 



heads 17 mm. high, about 25-flowered, nodding, in a loose panicle, on slender 

 pubescent and stipitate-glandular pedicels; phyllaries acuminate, at least the 

 outer glandular. "Gobernadora" (Puebla); "atanasia amarga" (Jalisco, Valley 

 of Mexico); "prodigiosa" (Urbina); "hierba del becerro" (San Luis Potosi, 

 Valley of Mexico); "hierba dulce" {Ramirez); "atanasia" (Oaxaca). 



The plant is reported to contain a glucoside, brickelline. It is employed 

 popularly as a vermifuge and febrifuge, and also as a remedy for diarrhea and 

 affections of the stomach. 

 37a. Coleosanthus squarrosus oligadenus (Robinson) Blake. 



Brickellia squarrosa oligadena Robinson, Mem. Gra}- Herb. 1: 92. /. 70, j3. 

 1917. 



Known onlj^ from the type locality, Hacienda Coahuayula, Michoacdn. 



Similar; pedicels griseous-pubescent, nearly or quite lacking the stipitate 

 glands; outer phyllaries griseous-pubescent, not glandular. 



38. Coleosanthus botterii (Robinson) Blake. 



Brickellia botterii Robinson, Mem. Gray Herb. 1: 93./. 72. 1917. 



Known only from the type localitj', Orizaba, Veracruz. 



Fruticose, sordid-tomentulose, glabrescent; leaf blades oblong-ovate or trian- 

 gular-ovate, 4 to 6 cm. long, crenulate, scarcely reticulate, griseous-tomen- 

 tulosc beneath; heads 13 mm. high, aVjout 16-flowered, in a pyramidal panicle, 

 mostly nodding, on slender stipitate-glandular pedicels; phj'llaries pilosulous, 

 the outer glandular. 



39. Coleosanthus adenocarpus (Robinson) Arthur, Torreya 22: 30. 1922. 

 Brickellia adowcarpa Rubin.'^oii, Mem. Gray Herb. 1: 93./. 73. 1917. 

 Oaxaca; type from Rancho de Caldcr6ii. Guatemala. 



Slighth^ lignescent perennial, crisp-puberulous, glabrescent; leaf blades ovate, 

 3.5 \o 5.4 cm. long; heads 18 mm. high, about 22-flowered, clustered at tips of 

 branches in convex cymes, on griseou.s-villous or tomentose pedicels; phyllaries 

 attenuate, appressed or somewhat squarrose, the outer villous. 

 39a. Coleosanthus adenocarpus glandulipes (Robinson) Blake. 



Brickellia adcnocarpa (jlandulipc.-i Robinson, Mem. Gray Herl). 1: 94./. 73, l3. 

 1917. 



Chiapas. Guatemala; type from Quezaltenango. 



Similar; pedicels glandular-puberulous; outer phyllaries sordid-glandular. 



40. Coleosanthus pacayensis Coulter, Bot. Gaz. 20: 46. 1895. 

 Brickellia pacaijensis Coulter, Bot. Gaz. 16: 98. 1891. 



Brickellia hebecarpoides Robinson, Proc. Amer. Acad. 36: 486. 1901. 



Michoacdn and Morelos to Veracruz and Oaxaca. Guatemala to Nicaragua; 

 type from Pacaya, Guatemala. 



Suffrutescciit to fruticose, 1 to 3 ineters high, from griseous-tomentose to 

 densely stipitate-glandular; leaf blades ovate, 4 to 7 cm. long, reticulate; heads 

 1 to 1.4 cm. high, 22 to 25-flowered, paniculate, on denselj' stipitate-glandular 

 pedicels; phyllaries glandular-pubescent. 



41. Coleosanthus floribundus (A. Gray) Kuntze, Rev. Gen. PL 1: 328. 

 '1891. 



Brickellia flonbunda A. Gray, PL Wright. 2: 73. 1853. 



Chihuahua and Sonora; type collected near Santa Cruz, Sonora. New 

 Mexico and Arizona. 



Suffrutescent, 1 to 1.5 meters high, stipitate-glandular, aromatic; leaf blades 

 triangular-ovate, 4 to 13 cm. long, coarsely dentate-serrate, scarcely reticulate, 

 green, glandular-punctate, subglabrous; heads 1 cm. high, about 15-flowered, 

 panicled; inner phj-llaries substramineous, the outer herbaceous, densely stipitate- 

 glandular. 



