154 NORTH AMERICAN FLORA [Volume 34 



nate at the base, about 12 mm. long and 5 mm. broad; bracts 5-7, glabrous, with deltoid 



tips, and with two marginal rows of 5 or 6 glands each and one gland in the free portion, the 



lower glands linear, the upper oval or round ; ligules oblong, about 1 2 mm. long and 4-5 mm. 



wide; disk-corollas 6 mm. long, puberulent; tube shorter than the funnelform throat; 



achenes 5 mm. long; 2 of the squamellae subulate, 3 mm. long, the other 3 oblong, less than 



1 mm. long. 



Type locality: Near Zypaquira (Zipaquiraj. Colombia. 

 Distribution: Guatemala to Colombia. 

 Illustration: H. & B. PI. Aequin. pi. 73. 



15. Tagetes alamensis Rydberg, sp. nov. 



A tall annual or perennial; stem strict, finely puberulent, often tinged with purple; leaves 

 opposite 5-1 cm. long, pinnate; rachis with scattered callous-tipped teeth; leaflets 7-9, linear- 

 lanceolate, puberulent or glabrate above, more or less pubescent, especially on the veins 

 beneath, 1-4 cm. long, distantly serrate with cuspidate teeth, with a gland at the base of each 

 tooth, rarely with z few additional scattered ones; heads few, cymose; peduncles 2-4 cm. 

 long; involucre campanulate, turbinate at the base, about 8 mm. long and 5 mm. broad; 

 bracts 8-10, with deltoid obtuse tips, and with two marginal rows of about 4 glands each and a 

 single gland in the free portion; ligules orange, 12-14 mm. long, 5-6 mm. wide; disk-flowers 

 many; corollas 6 mm. long, greenish-yellow at the base, orange above; tube short, glabrous; 

 throat elongate-funnelform, pubescent; lobes lanceolate, pubescent; achenes 5 mm. long, 

 glabrous; squamellae very unequal, one subulate, 4-5 mm. long, 1 or 2 linear, acute, 2-2.5 

 mm. long, and the rest truncate, about 1 mm. long. 



Tvpe collected in Sierra de Alamos, near Alamos. Sonora. March. 1910, Rose, Standley cr= Russell 

 herb. N. Y. Bot. Card. . 



16. Tagetes erecta L. Sp. PI. 887. 1753. 



Tagetes major Gaertn. Fruct. 2: 437. 1791. 



A tall stout annual; stem glabrous, 3-15 dm. high, angled and striate; leaves pinnate; 

 leaflets 11-17, lanceolate or linear-lanceolate, 1-5 cm. long, acute at each end, sharply serrate; 

 glands scattered but usually not very numerous; teeth of the upper leaves often bristle-tipped; 

 heads solitary at the ends of the branches; peduncles 5-15 cm. long, decidedly but gradually 

 enlarged upwards, fistulose ; involucre campanulate, 15-20 mm. long, 7-12 mm. broad, glabrous; 

 brae h deltoid or lanceolate tips, and with mostly two marginal rows of 6 or 7 glands 



and 3 glands in the free portion, most of the glands elliptic; ray-flowers 5-8; ligules broadly 



ate, 1-2 cm. long; disk-flowers numerous; corollas 8-10 mm. long, glabrous; tube 2 mm. 

 throat trumpet-shaped; lobes lanceolate; achenes 7-8 mm. long, glabrous or scabrous 

 :. *_he angles; squamellae united, one acute and longer, 5-10 mm. long, the rest 4-5 

 mm. long. 



Type locality: Mexico. 



Mexico and Central America: cultivated, and often escaped; naturalized in 

 the West Indies, Florida, and many places in South America and the Old World. 



Ill- - Lam. Tab. En'cvc. pi. 684; Gaertn. Fruct. pi. 172; E. & P. Nat. Pfl. 4 5 :/. 126, 



B, C. 



17. Tagetes patula L. Sp. PI. 887. 1753. 



lunulata Ortega, Dec. Hort. Matrit. 44. 1797. 

 Tat? meet, Brit. PI. Gard. pi. 151. 1816. Not T. corymbosa Lag. 1805. 



tenuifolia H. B. K. Nov. Gen. & Sp. 4: 196. 1820. Not T. tenuifolia Cav. 1793. 



A glabrous annual; stem 2-5 dm. high, branched, often purple-tinged, terete; leaves 

 ,-.ite or the upper alternate, pinnate, 5-10 cm. long; leaflets linear-lanceolate or lanceolate, 

 1-3 cm. long, sharply toothed; teeth, especially those of the upper leaves, often bristle-tipped; 

 glands scattered and rather numerous ; heads cymose ; peduncles 5- 1 cm. long, scarcely enlarged 

 upwards; involucre campanulate, about 12 mm. long, 6-7 mm. broad, glabrous; bracts 5-7, 

 with deltoid-acuminate or acute tips, and with two marginal rows of about 4 glands each 

 and 3 glands in the free portion, the lower glands linear, the upper oval; ligules 8-10 mm. 

 long, 7-8 mm. wide; disk-corollas 7-8 mm. long; tube shorter than the trumpet-shaped throat; 



