STANDLEY TREES AND SHRUBS OF MEXICO 1503 



Baccharis fasciculata Klatt, Leopoldina 20: 91. 1884. nomen nudum. 



Chihuahua and Tamaulipas to Puebla; type from Tlapuajahua. New Mexico 

 and Arizona. 



Diffusely branched, low shrub, glandular-roughened, white-barked; larger 

 leaves cuneate-oblanceolate, about 1.5 cm. long, 3 to 5 mm. wide, sharply serru- 

 late or serrate-dentate, chiefly deciduous at flowering time, those of the branches 

 fascicled, linear or linear-oblanceolate, mostly entire and 5 mm. long or less; 

 involucre 3 to 6 mm. high, the phyllaries with greenish midline; achnes about 

 8-nerved, glandular-scabridulous; pappus somewhat straw-colored, 8 to 10 man. 

 long. "Hierba del pasmo" (Coahuila); "popotillo" (Nayarit); "boshi" (Otomf, 

 Urhina); "jaral bianco," "tepopote" (Jahsco); "tepopotl" (Nahuatl). 



In Coahuila the dried and powdered plant is employed as a dressing for sores. 



4. Baccharis neglecta Britton in Britt. & Brown, Illustr. Fl. 3: 394. /. 3835. 



1898. 



Baccharis angustifnlia A. Gray, Journ. Bost. Soc. Nat. Hist. 6: 224. 1850. 

 Not B. angustifolia Michx. 1803. 



Chihuahua to Coahuila and Durango. Nebraska to Texas. 



Shrubby, about 1 meter high, glandular-glutinous, with numerous erect or 

 ascending, striate, leafy branches; leaves linear to oblanceolate, the larger 4 to 

 8 cm. long, 3 to 8 mm. wide, coarsely few-toothed or entire, weakly triplinerved; 

 heads very numerous, in usually broad leafy panicles; involucre 3 to 4 mm. high; 

 achenes about 8-nerved, glabrous; pappus brownish-tinged, 1 cm. long. "Jarilla 

 comun," "jarilla del rio" (Durango). 



5. Baccharis emoryi A. Gray in Torr. U. S. & Mex. Bound. Bot. 83. 185"'. 

 Northern Mexico (according to Hemsley). Utah to California and Arizona; 



type from the Gila River, Arizona. 



Glutinous shrub, up to 4.5 meters high; leaves oblanceolate or oblong-elliptic, 

 2 to 6.5 cm. long, 3 to 18 mm. wide, coarselj' few-toothed or entire, triplinerved; 

 involucre 4 to 8 mm. long; achenes glabrous, about 8-nerved; pappus brownish 

 white, about 1 cm. long. 



6. Baccharis sarothroides A. Gray, Proc. Amer. Acad. 17: 211. 1882. 

 Sonora, Sinaloa, and Baja California and its islands. California; type from 



San Diego County. 



Glutinous shrub, up to 4.5 meters high, with densely fastigiate, striate-angled 

 branchlets; larger leaves linear, 2 cm. long or less, entire, deciduous, those of the 

 branchlets minute, scale-like; involucre 2 (staminate) to 8 mm. high; achenes 

 glabrous, about S-nerved; pappus brownish-tinged, about 1 cm. long. "Hierba 

 del pasmo" (Baja California). 



The twigs are chewed as a remedy for toothache (Palmei-). 



7. Baccharis conferta H. B. K. Nov. Gen. & Sp. 4: 55. 1820. 

 Baccharis xalapensis H. B. K. Nov. Gen. & Sp. 4: 56. 1820. 



fiacc/ia/-is p/ii7ippensis Less, in Schlecht. & Cham. Linnaea 5: 147. 1830. Not 



B. philipensis H. B. K. 1820. 

 Baccharis cuneata DC. Prodr. 5: 408. 1836. 

 ? Baccharis orizabaensis Schultz Bip.; Hemsl. Biol. Centr. Amer. Bot. 2: 130. 



1881, nomen nudum. 

 San Luis Potosi to Puebla and Veracruz; type from Cuernavaca, Morelos. 

 Much-branched glutinous shrub, up to 2 meters high, very leafy; leaves cuneate 

 or rhombic-cuneate, 1 to 2 cm. long, 4 to 15 mm. wide, usually 3 or 5-dentate, 

 rarely entire, 1-nerved; heads subsessile in close clusters 1 to 2.5 cm. wide at tips 

 of branch&s; involucre 3 mm. high; achenes glabrous, about 10-nerved, the brown- 

 ish-tinged pappus about 5 mm. long. "Escobilla" (Morelos); "tepopote" 

 (Urbina); "escoba del monte" (Veracruz); "hierba del carbonero" (Valley of 

 Mexico) . 



57020—26 13 



