STANDLEY TBEES AND SHRUBS OF MEXICO 1459 



77. Eupatorium adenachaenium Schultz Bip.; Klatt, Leopoldina 20: 75 



1884. 

 Eupatorium adenochaetmn Schultz Bip.; Hemsl. Biol. Centr. Amer. Bot. 2: 91. 

 1881; doubtless through clerical or typographical error and without char- 

 acter. 

 Eupatorium adenachenium Schultz Bip.; Hook. f. & Jacks. Ind. Kew. 1: 915. 



1893; also by error. 

 Veracruz; type from Mount Orizaba. 



Shrub with branches subterete and when young clothed with a dull rusty 

 pubescence; leaves opposite, lance-oblong (rather than triangular-ovate as origi- 

 nally described), acuminate at tip, acute at base, coarsely serrate at sides, 6 to 8 

 cm. long, 2.5 to 3 cm. wide, thickish, darkening in drying; petiole about 5 mm. 

 long; corymbs terminal, convex, 15 cm. wide; heads about 12-flowered, pediceled; 

 phyllaries lance-oblong, obtuse, densely short-pubescent and atomiferous; achenes 

 beset with sessile glands, especially on the angles. 



78. Eupatorium brandegeanum Robinson, Contr. Gray Herb. n. ser. 68: 10. 

 1923. 



San Luis Potosf; type from Minas de San Rafael. 



A slender, openly branched and crisped-puberulent shrub; leaves opposite, 

 ovate, obtuse, crenate, truncate or shallowly cordate at base, i^embranaceous, 

 25 to 46 mm. long, 15 to 26 mm. wide; petiole 4 to 5 mm. long; heads 12 to 

 18-flowered, in loose corymbs; pedicels covered with stipitate dark glands; 

 phyllaries green, lance-linear, acute. 



79. Eupatorium glabratum H. B. K. Nov. Gen. & Sp. 4: 127. 1820. 

 Eupatorium xalapense H. B. K. Nov. Gen. & Sp. 4: 128. 1820. 

 Verjwnia toluccana DC. Prodr. 5: 30. 1836. 



Eupatorium gonocladum DC. Prodr. 5: 171. 1836. 



San Luis Potosi, Hidalgo, Veracruz, Puebla, Mexico, and Federal District; 

 type from Real del Monte, Hidalgo. 



Smoothish but viscid shrub 1 to 2.5 meters high; stem subterete, buff to 

 brown; branches ascending, more or less angled; leaves ovate- to rhombic- 

 oblong, obtuse to acute, serrulate to entire, cuneate at base, green above, pale 

 beneath, 2.5 to 6 cm. long, half as wide, slightly fleshy, commonly proliferous in 

 the axils; heads about 15 to 18-flowered, pedicellate in opposite-branched leafy- 

 bracted elongate fastigiate terminal panicles; phyllaries oblong, acutish, puber- 

 ulent, often purple-tinged; corollas pale pink. "Hillo" {Purpus); "hierba del 

 golpe" {Ehrenberg, who states that steam from a decoction of this plant cures 

 sprains). 



A conservatory plant long cultivated for ornament. 



80. Eupatorium subintegrum (Greene) Robinson, Contr. Gray Herb. n. ser. 

 75: 13. 1925. 



Eupatorium espinosarum var. subiniegrifolium Robinson, Proc. Amer. Acad. 26: 

 165. 1891. 



Kyrstenia subintegra Greene, Leaflets 1: 10. 1903. 



San Luis Potosi; type from shaded ledges of limerock, San Jos6 Pass. 



Shrubby, vernicose and viscid, especially on the younger parts; stems terete; 

 branches opposite, ascending, flexuous, finely crisped-puberulent toward the 

 tips; leaves deltoid-ovate, subentire, acuminate, subtruncate at base, subcoriace- 

 ous, 3 to 5 cm. long, 2 to 3 cm. wide; petiole 5 to 9 mm. long; corymbs (often 

 numerous) round-topped, rather dense, 3 to 5 cm. broad; heads slender, 8 to 12 

 mm. long; phyllaries linear-attenuate. 



