Part 3, 1916] CARDUACEAE: TAGETEAE 201 
14. Pectis linearifolia Urban, Symb. Ant. 5: 276. 1907. 
Pectis linifolia Griseb. Fl. Brit. W. Ind. 378. 1861. Not P. linifolial. 1759. 
Pectis ciliaris Fernald, Proc. Am. Acad. 33: 66. 1897. Not P. ciliaris L. 1759. 
A leafy annual; stem erect or ascending, 1-4 dm. high, with ascending or spreading 
branches, puberulent along two decurrent lines; leaves narrowly linear, 1.5-3 cm. long, 1-2 
mm. wide, with more or less revolute margins, scarcely connate, with 3-6 pairs of bristles 
towards the base; glands in a single row along each margin; heads 1-5, clustered at the ends 
of the branches, subsessile or on peduncles less than 4 mm. long; involucre 4.5-5 mm. high, 
2-3 mm. broad; bracts lance-linear, acute or obtuse; ray-flowers 5; ligules 2 mm. long; disk- 
flowers 6 or 7; corollas about 2.5 mm. long; achenes 2.8-3 mm. long; squamellae of the disk- 
flowers 5, of the ray-flowers 2, narrowly lanceolate, aristate-attenuate, as long as the disk- 
corollas. 
Type LocaLity: Tampa, Florida. 
DisTRIBUTION: Florida and Jamaica. 
15. Pectis Swartziana Less. Linnaea 6: 711. 1831. 
Pectis ciliaris Sw. Obs. 307, in part. 1791. Not P. ciliaris L. 1759. 
Pectis Bonplandiana DC. Prodr. 5: 99, in part. 1836. Not P. Bonplandiana H. B. K. 1820. 
Pectis patula .. {.; DC. Prodr. 5:99, assynonym. 1836. 
Pectis punctata Sw.; DC. Prodr. 5: 99, assynonym. 1836. Not P. punctata Jacq. 1760. 
Pectis pratensis C. Wright; Sauv. Anal. Acad. Ci. Habana 6: 210. 1870. 
Pectis linifolia Kuntze, Rev. Gen. 3?: 166. 1898. Not P. prone Ee 1759. 
? Pectis panamensis Brand. Univ. Calif. Publ. Bot. 4: 192. 
A slender annual; stem erect, 0.5-1.5 dm. high, dichotomously branched, with spreading 
branches, glabrous, often purplish, angled; leaves linear or lance-linear, 1-3.5 cm. long, 1.5—4 
mm. wide, obtuse or acute, mostly mucronate, ciliate with 1-3 pairs of bristles near the base; 
glands scattered, rather few; heads solitary in the forks, on peduncles 2.5-3 cm. long; in- 
volucre about 4 mm. high, 3 mm. broad; bracts 7 or 8, oblong-linear, acute or obtuse, strongly 
but obtusely carinate at the base; ray-flowers 6-8 (rarely 9 or 10); ligules linear-oblong, 2.5 
mm. long; disk-flowers 5-7; corollas 2 mm. long; achenes 2.5—3 mm. long, appressed-pilose or 
glabrate; squamellae of the disk-flowers 5-10, lance-linear, distinct or connate, incised at the 
apex, less than 1 mm. long, some of them sometimes awned, those of the ray-flowers smaller 
or reduced to a crown. 
TYPE Locatiry: Not given, probably Jamaica. 
DIsTRIBUTION: Cuba; Jamaica; Tamaulipas to Bolivia. 
16. Pectis propetes Greenman, Proc. Am. Acad. 40: 49. 1904. 
A low annual; stem at last prostrate and branched, puberulent along two decurrent 
lines, purplish; leaves narrowly oblong or oblanceolate, 1—3.5 cm. long, 2-5 mm. wide, obtuse 
or mucronate, with 5—9 pairs of bristles towards the base, minutely scabrous-ciliate, pale-green; 
glands scattered; heads solitary in the axils; peduncles 2—4.5 cm. long; involucre campanulate- 
cylindric, 6-7.5 mm. high, about 4 mm. broad, glabrous; bracts 5, oblong, obtuse or truncate 
at the apex, carinate to above the middle, scarious-margined; ray-flowers 5; ligules oblong, 
about 7 mm. long, 2 mm. wide; disk-flowers 20-25; corollas 3-3.5 mm. long, sub-bilabiate; 
achenes about 4 mm. long, hirsutulous; squamellae of the disk-flowers 5, of the ray-flowers 2, 
lanceolate, acuminate, nearly 2 mm. long. 
Tyre Locatity: Near San Juan Capistrano, Zacatecas. 
Distrieution: Known only from the type locality. 
17. Pectis domingensis Urban, Symb. Ant. 7: 429. 1912. 
A leafy annual; stem erect, 2-3 dm. high, with spreading branches, puberulent along two 
decurrent lines; leaves linear, 1.5—-2.5 cm. long, 1-2.5 mm. wide, slightly if at all connate, with 
4-10 pairs of bristles below the middle; glands in a single row along each margin, and a 
few scattered ones; heads more or less aggregate at the ends of the branches; peduncles 1-10 
mm. long; involucre 5 mm. high, 2.5-3 mm. broad; bracts 5, narrowly oblong, obtuse; ray- 
