STANDLEY — TREES AND SHRUBS OF MEXICO 1461 



84. Eupatorium gracilicaule Schultz Bip.; Robinson, Proc. Amer. Acad. 42: 

 39. 1906. 



Veracruz or Oaxaca; type from Tlacolula. 



Shrub 3 meters high with slender terete smooth stems and opposite curved- 

 ascending branches; leaves ovate, falcate-acuminate, crenate-serrate, rounded or 

 scarcely pointed at base, membranaceous, smoothish, glandular-punctate 

 beneath, 8 cm. long, 3 to 4 cm. wide, the veinlets slightly translucent; petiole 

 slender, 2 to 2.5 cm. long; corymbs rather open, sometimes combined into large 

 leafy-bracted panicles; heads about 13-flowered, slender-pediceled; phyllaries 

 linear, attenuate, dorsally pubescent and atomiferous. 



85. Eupatorium mairetianum DC. Prodr. 5: 167. 1S36. 

 Eupatorium lasioneuron Hook. & Arn. Bot. Beechey Voy. 297. 1840. 

 Eupatorium cognatum Kunth & Bouche, Ind. Sem. Hort. Berol. 1347: 13. 



1847. 



Michoacd,n, Federal District, Morelos, aiid Oaxaca. Guatemala. 



Shrub 1 to 4.5 meters high, more or less arachnoid-tufted on younger parts 

 and especially in axils of the veins on lower surface of leaf; stems terete, brown 

 with white pith; leaves opposite, ovate to rhombic, acuminate, serrate except 

 toward the more often acute base, 6 to 1 1 cm. long, 3 to 5 cm. wide, of firm texture, 

 green and glabrous above, much paler and more or less pubescent beneath; 

 corymbs usually disposed in ovoid leafy-bracted terminal thyrses; heads about 

 25-flowered, 12 to 16 mm. high; phyllaries linear, attenuate, pubescent. 



86. Eupatorium subpenninervium Schultz Bip.; Klatt, Leopoldina 20: 

 89. 1884. 



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

 97. 1881, nomen nudum; Klatt, Leopoldina 20: 89. 1884. 



Eupatorium subinclusum Klatt, Leopoldina 20: 75. 1884. 



Eupatorium oxylepis Schultz Bip.; Klatt, Leopoldina 20: 75. 1884. Not 

 E. oxylepis DC. 



Oaxaca, Puebla, and Chiapas; type from Cumbre de Ectapa. 



Shrub 1.5 to 6 meters high, covered on young branches, petioles, etc., with a 

 dark violet or at length rusty tomentum; leaves opposite, petiolate, ovate, 

 acuminate, crenate-serrate, acute to rounded or rarely subcordate at base, 

 pubescent on both surfaces, deep green above, paler beneath, of soft membra- 

 naceous texture, 5 to 12 cm. long, 4 to 8 cm. wide, pinnately nerved from above 

 the base; petiole 2 to 4.5 cm. long; corynabs terminal, compound, 6 to 16 cm. in 

 diameter; heads 17 to 24-flowered; phyllaries dark violet, linear, obtuse to acute, 

 4 to 5 mm. long, only half the length of the florets; corollas purple. 



87. Eupatorium vernale Vatke & Kurtz, Ind. Sem. Hort. Berol. 1871: 

 Append. 2. 1871; Gartenflora 1873: 36. 1873. 



Described from cultivated material thought to have been of Mexican origin. 



Shrub, or tall, slightly lignescent herb, in habit similar to the preceding but 

 covered with a much looser, villous or tomentose pubescence of pale spreading 

 hairs; leaves acuminate, coarsely serrate-dentate; phj'Uaries green, at maturity 

 7 to 10 mm. long, attenuate. 



88. Eupatorium chiapense Robinson, Proc. Amer. Acad. 35: 332. 1900. 

 Chiapas and Morelos; also on crest of the Sierra Madre between Michoacdn 



and Guerrero; type collected near Pinabete, Chiapas. 



A shrub 3 meters high; stems terete, densely clothed with purple or at length 

 rusty tomentum; leaves opposite, oblong-ovate, acuminate to (rarely) obtuse, 

 serrate, rounded, subcordate, or (rarely) obtusely pointed at base, pinnately nerv- 

 ed from well above the base, pubescent on both surfaces, 6 to 14 cm. long, 5 to 8 

 cm. wide, membranaceous; petiole 2 to 6 cm. long; corymbs ample, convex, 



