148 COMPOSITE. 
78, ENGELMANNIA, | 
Engelmannia, Torr. & Gray, Fl. N. Amer. ii. p. 283, non Ki]. nec Pfeiff.; Benth. et Hook. Gen. 
Plant. ii. p. 351. 
An herbaceous monotype. 
1. Engelmannia pinnatifida, Torr. & Gray, Fl. N. Amer. ii. p. 283; Torr. 
Bot. Marcy Exped. t. 11. 
Texas.—NortH Mexico, Ojo Caliente, Chihuahua (Thurber), Buena Vista ( Gregg). 
Hb. Kew. 
79. PARTHENIUM. 
Parthenium, Linn. Gen. Plant. n. 1058; Benth. et Hook. Gen. Plant. ii, p. 351. 
About seven shrubby and herbaceous species, inhabiting North America, Mexico, and 
the West Indies. 
1. Parthenium argentatum, A. Gr. in Torr. Bot. U.S. & Mex. Bound. Surv. 
p. 86. 
Texas.—Nortu Mexico, San Luis to San Antonio (Parry, 435). Hb. Kew. 
We are not certain whether this was collected within our limits, 
2. Parthenium fruticosum, Less. in Linnea, v. p. 152; DO. Prodr. v. p. 532. 
South Mexico, Plan del Rio (Schtede & Deppe), Zacuapan (Linden, 477), Cordillera 
of Vera Cruz, in woods at 3000 feet (Galeotti, 2123). Hb. Kew. 
3. Parthenium hysterophorus, Linn. Sp. Pl. p. 1402; DC. Prodr. v. p. 532. 
Villanova bipinnatifida, Ort. Dec. p. 48, t. 6. 
Argyrocheta bipinnatifida, Cav. Ie. iv. p. 54, t. 878. 
Lovistana; Texas; New Mexico.—Norta Mexico, near Parras and Buena Vista 
(Gregg), Monterey (Eaton § Edwards) ; Sovran Mexico, Mirador (Linden, 1145), region 
of Orizaba (Bourgeau, 2558 ; Sallé), valleys of Cordova and Mexico (Bourgeau, 1554, 
391), Jalapa (Coulter, 400)—Wesr Inpims and Cotompia to Cum and Urvevay; 
naturalized in India, Bourbon, Mauritius, &c. Hb. Kew. 
4. Parthenium incanum, H. B. K. Nov. Gen. et Sp. iv. p. 260, t. 391; DC. 
Prodr. v. p. 532. 
Parthenium ramosissimum, DC. Prodr. v. p. 532. 
Texas.—Norta Mexico, San Luis Potosi (Berlandier, 1342), Camp Bowie (Rothrock), 
in various localities (Gregg), region of San Luis Potosi, 6000 to 8000 feet (Parry & 
Palmer, 434); Sours Mexico, mountains around Mexico (Berlandier, 632). Hb. Kew. 
5. Parthenium tomentosum, DC. Prodr. v. p. 532. 
SoutH Mexico, between Oaxaca and Mitla (Andrieuaz, 281), Oaxaca, at 6000 feet 
(Galeotti, 2123). Hb. Kew. 
