COMPOSITA. 203 
21. Bidens mollis, Pcepp. et Endl. Nov. Gen. et Sp. iii. p. 49; Walp. Rep. ii. 
p- 619. 
GvuATEMALA, Calvario (Bernoulli, 155).—Prrvu, Ecuapor. Hb. Kew. 
22. Bidens odorata, Cav. Ic. Pl. i. p. 9, t. 13; DC. Prodr. v. p. 603. 
Mexico. | 
23. Bidens ostruthioides, Schz. Bip. in Seem. Bot. Voy. ‘ Herald,’ p. 308. 
Delucia ostruthioides, DC. Prodr. v. p. 633; Deless. Ic. Sel. iv. t. 40. 
Sout Mexico, Santa Fé &c., valley of Mexico (Schaffner, 228 ; Bourgeau, 835), Vera 
Cruz to Orizaba (Miller, 1950), without locality (bates). Hb. Kew. 
24, Bidens pilosa, Linn. Sp. Pl. p. 1166; DC. Prodr. v. p. 597. 
Bidens leucantha, Willd. Sp. Pl. iii. p. 1719 ; DC. Prodr. v. p. 598. 
Fiorina, Texas, New Mexico.—Nortu Mexico, Sierra Madre (Seemann, 2047); 
Sourh Mexico, Orizaba (Bourgeau, 188, 811, 2561), San Angel (Bourgeau, 150); 
Guatemala, Duefias (Salvin & Godman); Nicaragua, Chontales (Tate, 184); Costa 
Rica (Endres, 45).—Southward to Cuit1 and South Brazit, and in the West INp1zs ; 
and now also a common weed in the tropics of the Old World. Hb. Kew. 
25. Bidens procera, Don in Bot. Reg. t. 684; DC. Prodr. v. p. 603. 
Mexico. 
26. Bidens procumbens, H. B. K. Nov. Gen. et Sp. iv. p. 232. 
Soutn Mexico, near Jalapa? (Humboldt & Bonpland). 
27. Bidens sambucifolia, Cav. Ic. Pl. iii. p. 15, t. 219; DC. Prodr. v. p. 599. 
Mexico ?—PEeErv. 
28. Bidens sartorii, Schz. Bip. in Seem. Bot. Voy. ‘ Herald,’ p. 307. 
Sourn Mexico, near Mirador (Sartorius). 
29. Bidens seemannii, Schz. Bip. in Seem. Bot. Voy. ‘ Herald,’ p. 307. 
Norto Mexico, Sierra Madre (Seemann, 2014), region of San Luis Potosi, 6000 to 
8000 feet (Parry & Palmer, 485). Hb. Kew. 
30. Bidens striata, Sweet, Brit. Fl. Gard. t. 237; Bot. Mag. t. 3155. 
South Mexico, valley of Mexico (Schaffner, 239), Real del Monte (Coulter, 392), 
Orizaba (Bourgeau, 2681); GuateMaLa, Mazatenango (Bernoulli, 1205). Hb. Kew. 
81. Bidens tereticaulis, DC. Prodr. v. p. 598. 
Bidens squarrosa, Less. in Linnea, v. p. 156. 
Bidens coreopsidis, DC. Prodr. vii. p. 599. 
Nortu Mexico, region of San Luis Potosi (Palmer, 1116); Sovurn Mexico, Orizaba 
(Bilimek, 203), near Tantoyuca (Berlandier, 2148, 2150); Nicaragua, between Mata- 
galpa and Segovia (@rsted).— Widely dispersed in SourH America and the West INpizs. 
Hb. Kew. 
2d 2 
