1480 CONTBIBUTIONS FROM THE NATIONAL, HERBARIUM 



28. Coleosanthus paniculatus (Mill.) Standi, in Standi. & Calder6n, Lista 

 PL Salv. 219. 1925. 



Eupatorium paniculatum Mill. Gard. Diet. ed. 8. Eupatorium no. 15. 1768. 



Eupatorium rigidum Benth. PI. Hartw. 88. 1841. Not E. rigidum Swartz, 1788. 



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



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



Brickellia paniculata Robinson, Proc. Amer. Acad. 42: 48. 1906, 



Tepic and Jalisco to Veracruz, south to Costa Rica; type from Veracruz. 



Frutescent, 2 meters high, griseous-tomentulose; leaf blades 2.8 to 7.5 cm. long 

 and broad, thick, crenate-serrate, densely canescent-tomentulose beneath; heads 

 10 to 12 mm. high, pedicellate, in a broad panicle, about 18-flowered; pedicels 

 stipitate-glandular. 



29. Coleosanthus secundiflorus (Lag.) Kuntze, Rev. Gen. PI. 1: 328. 1891. 

 Eupatorium secundiflorum Lag. Gen. & Sp. Nov. 25. 1816. 



Bulbostylis secundiflora DC. Prodr. 5: 138. 1836. 



Bulbostylis scorodoniaefolia Kunth, "Ind. Sem. Hort. Berol. 1846: 12. 1847;" 

 Ann. Sci. Nat. III. Hot. 7: 187. 1847. 



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



Tamaulipas to Oaxaca. 



Fruticose, densely stipitate-glandular, griseous-tomentellous; leaf blades 3 to 

 7 cm. long, 2 to 5 cm. wide, acute, reticulate, griseous-tomentellous beneath; 

 heads 11 to 16 mm. high, about 20-flowered, in a leafy thyrsoid panicle; phyllaries 

 all acute or acuminate, usually stipitate-glandular. 

 29a. Coleosanthus secundiflorus nepetaefolius (H. B. K.) Blake. 



Eupatorium nepetaefolium H. B. K. Nov. Gen. & Sp. 4: 112. 1820. 



Bulbostylis ? nepetaefolia DC. Prodr. 5: 139. 1836. 



Brickellia secundiflora nepetaefolia Robinson, Mem. Gray Herb. 1: 82. 1917. 



Jalisco to Zacatecas and Guanajuato; type from Santa Rosa Mountains, 

 Guanajuato. 



Similar, but the pubescence denser, the glands lacking or obscure. 



30. Coleosanthus parryi (A. Gray) Kuntze, Rev. Gen. PI. 1: 328. 1891. 

 Brickellia parryi A. Gray, Proc. Amer. Acad. 15: 31. 1879. 



San Luis Potosi and Zacatecas; type from east of City of San Luis Potosi. 



Suffrutescent or fruticose, similar to C. secundiflorus nepetaefolius; heads 

 smaller, 10 to 14 mm. high, 20 to 25-fiowered; phyllaries obtuse. 

 30a. Coleosanthus parryi micaceus (Robinson) Blake. 



Brickellia parryi micacea Robinson, Mem. Gray Herb. 1: 83. 1917. 



Known only from the type locality, near Alvdrez, San Luis Potosi. 



Leaves beneath merely puberulous on the veins, densely dotted with shining 

 glands. 



31. Coleosanthus tomentellus (A. Gray) Kuntze, Rev. Gen. PI. 1: 328. 1891. 

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



Puebla and State of Mexico to Oaxaca; type from Mexico, without definite 

 locality. 



Suffrutescent (?), 1.5 to 2.5 meters high, softly gray-tomentellous or tomentose; 

 leaf blades 4 to 7 cm. long, 3 to 5 cm. wide, crenate, grayish green above, denselj' 

 griseous-tomentose beneath; heads 21 to 32-flowered; outer phyllaries tomentose. 



32. Coleosanthus lancifolius (Robins. & Greenm.) Blake. 



Brickellia lancifolia Robins. & Greenm. Amer. Journ. Sci. III. 50: 153. 1895. 



Known only from the type locality, Sierra de San Felipe, Oaxaca. 



Fruticose, 1.5 to 2.5 meters high, sordid-tomentellous; leaf blades 4.5 to 7 

 cm. long, 1.4 to 2.5 cm. wide, acuminate, subentire, tomentulose beneath; heads 

 thyrsoid-panicled, mostly nodding, 17 to 20 mm. high, 10 to 12-flowered; phyl- 

 laries purplish, glabrous except for the tips of the outermost. 



