152 NORTH AMERICAN FLORA [Volume 34 



7. Tagetes lacera Brand. Zoe 1: 314. 1S90. 



A glabrous perennial or annual; stems several from the base, erect, terete, often 1 m. high; 

 leaves opposite or alternate, 10-15 cm. long; rachis more or less margined and toothed; leaflets 

 7-11, lanceolate, acute, serrate; rachis, lower teeth, and the leaflets of the upper leaves bristle- 

 pointed; peduncles 5-15 cm. long, thickened upwards; involucre campanulate, 12-15 mm. 

 long, 7-8 mm. broad; bracts 8-10, with triangular tips, and with two lateral rows of 3 or 4 

 glands and a single gland in the free portion; lower glands linear, the upper 3 oblong; ligules 

 yellow, oblong, retuse, 8-10 mm. long; disk-corollas 7-8 mm. long, pubescent; achenes 8 mm. 

 long, hirsutulous; pappus of 1-4, usually 2, subulate, awn-tipped squamellae, 5-6 mm. long, 

 and several minute, lacerate, obovate ones. 



Type locality: Sierra de la Laguna, Lower California. 

 Distribution: Lower California. 



8. Tagetes Lemmoni A. Gray, Proc. Am. Acad. 19: 40. 1883. 



A leafy perennial; stems 5-10 dm. high, minutely puberulent or in age glabrate, fastigiately 

 branched above; leaves opposite, 3-7-foliolate ; leaflets lanceolate to linear-elliptic, 1-4 cm. 

 long, minutely puberulent, sharply serrate with one gland in each tooth; heads many; peduncles 

 2-3 cm. long, with a few bract-like leaves, scarcely thickened; involucre campanulate, sub- 

 turbinate at the base, 8 mm. long, 7 mm. broad; bracts 6-8, with triangular tips, and with 

 two lateral rows of about 5 glands and a single gland in the tip ; ray-flowers 6-8 ; ligules 

 broadly oblong, about 1 cm. long and 5 mm. wide; disk-flowers many; corollas 7 mm. long; 

 tube 1.5 mm. long, glabrous, much shorter than the narrowly funnelform throat; lobes lanceo- 

 late; achenes about 6 mm. long; 1-3 of the squamellae subulate, 1.5-2 mm. long, the other 2-4 

 shorter, oblong, obtuse. 



Type locality: Huachuca Mountains, Arizona. 

 Distribution: Arizona. 



9. Tagetes Palmeri A. Gray, Proc. Am. Acad. 21: 392. 1886. 



A leafy perennial; stems 3-10 dm. high, branched, frutescent below, glabrous; leaves 

 opposite, pinnate; leaflets 7-15, linear-lanceolate, 1-4 cm. long, glabrous, acuminate, sharply 

 serrulate, with a single gland at the base of each tooth ; heads corymbose-f astigiate ; peduncles 

 2-4 cm. long, slightly thicker above; involucre broadly campanulate, 6-7 mm. long, and nearly 

 as broad; bracts 8-10, with triangular tips, and with two lateral rows of 3 glands and a single 

 one in the tip; ray-flowers 5-8; ligules obovate-oblong, 10-12 mm. long, orange; disk-flowers 

 many; corollas glabrous, 5 mm. long; tube much shorter than the throat; achenes 4-5 mm. 

 long, puberulent; 2 of the squamellae subulate, the other 2 or 3 shorter, quadrate, truncate. 



Type locality: Halfway between Batopilas and the Cumbre, Chihuahua. 

 Distribution: Known only from the type locality. 



10. Tagetes linifolia Seaton, Proc. Am. Acad. 28: 120. 1893. 



A glabrous perennial, with a short woody caudex; stems several, erect, slender, purple- 

 tinged, about 3 dm. high; leaves opposite or rarely alternate above, pinnate, 2-4 cm. long; 

 leaflets 7-11, narrowly linear, 1-2 cm. long, entire, apiculate or spinulose-tipped, with two 

 rows of glands; heads solitary at the end of the stems; peduncles about 1 dm. long, slender, not 

 thickened upwards; involucre narrowly campanulate-turbinate, 12-13 mm. long, 5-6 mm. 

 broad, glabrous; bracts 5, with triangular, acuminate tips, and with two rows of 4 or 5 marginal 

 glands and a single gland in the tip, the lower two pairs of glands being elongate-linear, the 

 rest short, oval or elliptic; ray-flowers 5; ligules yellow, obcordate, 12-16 mm. long; disk- 

 flowers 25-40; corollas 8 mm. long, glabrous; tube only 2 mm. long; throat elongate-funnelform; 

 lobes lanceolate; achenes 6-7 mm. long, angled, scabrous; pappus of the disk-flowers of two 

 subulate acute squamellae 6-7 mm. long, and 3 oblong truncate ones only 2-3 mm. long; 

 that of the ray-flowers of only short truncate squamellae. 



Type locality: Rocky hills near Esperanza [Puebla]. 



Distribution: Type locality and vicinity. 



