156 NORTH AMERICAN FLORA [Volume 34 



late, 1-3 cm. long, glabrous, acute at each end, finely serrate, the teeth often bristle-pointed; 

 glands scattered; heads several, in open leafy cymes; peduncles 5-15 cm. long, slender; invo- 

 lucre almost clavate, about 15 mm. long, 4-5 mm. broad; bracts about 5, with lanceolate 

 ciliolate tips, and with two lateral rows of 2 or 3 elongate linear glands and a single gland in 

 the free portion; ray-flowers 5; ligules obovate, about 1 cm. long, emarginate at the apex; 

 disk-corollas 7 mm. long; tube slightly puberulent, nearly 2 mm. long, shorter than the 

 trumpet-shaped glabrous throat; lobes lanceolate; achenes nearly 1 cm. long, strigillose; two 

 of the squamellae awn-like, subulate, 8 mm. long, the other 3-6 short, obovate or cuneate, 

 1-2 mm. long. 



Type collected on shaded bluffs near Guadalajara, Jalisco, October 4, 1889, Pringle 2488 (herb. 

 Columbia Univ.). 



Distribution: Jalisco. 



22. Tagetes foetidissima DC. Prodr. 5: 645. 1836. 



Tageles tanacelifolia Steud. Norn. Bot. ed. 2. 2: 660, as synonym. 1841. 



A glabrous annual; stem 3-10 dm. high, terete, often tinged with purple, branched above; 

 leaves alternate or the lower opposite, pinnate, 3-9 cm. long; leaflets 11-29, the upper con- 

 fluent, oblong or lance-oblong, obtusish, 1-2.5 cm. long, serrate, the lower teeth often bristle- 

 pointed; heads cymose-paniculate; peduncles 0.5-2.5 cm. long; involucre subcylindric or 

 obclavate, acute at the base, about 15 mm. long and 3 mm. broad; bracts 5, often purple-tinged, 

 with deltoid tips, and with two lateral rows of 4-6 oblong glands and a single gland in the 

 free portion; ray-flowers usually 5; ligules oblong, 2 mm. long or less, ascending; disk-flowers 

 about 7; corollas greenish-yellow, 7 mm. long; tube 1.5 mm. long, glabrous; throat almost 

 cylindric, viscid-hispid; lobes lanceolate; achenes hirsute, 6 mm. long, clavate; two of the 

 squamellae awn-like, 7 mm. long, the other 3 oblong, 1 mm. long. 



Type locality: Mexico. 



Distribution: Southern Mexico to Guatemala. 



23. Tagetes Nelsonii Greenman, Proc. Am. Acad. 39: 117. 1903. 



A tall stout annual; stem striate, purple, glabrous, 5 dm. high or more; leaves pinnate, 



petioled; leaflets 3-7, lanceolate or elliptic, 1-6 cm. long, 0.5-2 cm. wide, acute, sharply and 



evenly serrate, dark-green and glabrous or nearly so above, pubescent, especially on the veins 



beneath, with numerous small scattered glands; heads numerous in a corymbiform compound 



cyme, short-peduncled; involucre cylindric, about 8 mm. long; bracts 5-7, with deltoid tips; 



glands partly elliptic and partly smaller and round, rather irregularly arranged; ray-flowers 5 



or 6; ligules oblong, 5 mm. long; disk-flowers 9-12; corollas 4 mm. long, greenish-yellow; 



achenes 4-5 mm. long, glabrous; squamellae linear, very unequal, the longer nearly 2 mm. 



long, the shorter 0.5 mm. long. 



Type locality: Tumbola, Chiapas. 

 Distribution: Known only from the type locality. 



24. Tagetes minuta L. Sp. PI. 887. 1753. 



Tageles bonariensis Pers. Syn. PI. 2: 459. 1807. 



Tagetes glandulifera Schrank, Hort. Monac. pi. 54. 1819. 



Tageles glandulosa Schrank; Link, Enuni. 2: 339. 1822. 



Tageles monlana DC. Prodr. 5: 644, as synonym. 1836. 



A glabrous, branched, very leafy annual; stem 3-10 dm. high, with erect branches, striate; 

 leaves mostly alternate, 5-15 cm. long, pinnate; leaflets 11-17, the upper decurrent, linear- 

 lanceolate, sharply serrate, 2-6 cm. long; glands in a single row on each side, at the base of 

 the teeth, and in the larger leaflets some additional scattered glands; heads numerous in con- 

 gested cymes, subsessile or short-peduncled; peduncles less than 1 cm. long; involucre about 

 1 cm. long, 2.5-3 mm. broad; bracts 5, with rounded free lobes, and with two lateral rows of 

 about 4 linear glands each and a single gland in the free portion; ray-flowers usually 3; ligules 

 suborbicular, 1 mm. long; disk-flowers 4-5; corollas 4 mm. long, somewhat viscid-hirsute; tube 

 much shorter than the trumpet-shaped throat; achenes 5-6 mm. long, strigulose; 1 or 2 of 

 the squamellae subulate, 2 mm. long, the other 3 or 4 less than 0.5 mm. long. 



Type locality: Chile. 



Distribution: Peru and Brazil to Argentina and Chile; adventive in North Carolina. 



Illustrations: Dill. Hort. Kith. pi. 280, f. 362; .Schrank, Hort. Monac. pi. 54. 



