1588 CONTRIBUTIOi^s^S FROM THE XATIOXAL HEEBAEIUM 



3. Coreopsis parvifolia Blake, Proc. Amer. Acad. 49: 338. 1913. 

 Known only from the type locality, Esperanza, Puebla. 



Shrub, trichotomously branched, somewhat pubescent, glabrate; leaf blades 

 oval, serrate above the base, subsessile; heads solitary, 3 cm. wide, on peduncles 

 3 to 6.5 cm. long; achenes epappose. 



4. Coreopsis cyclocarpa Blake, Proc. Amer. Acad. 49: 339. 1913. 

 Leptosyne mexicana A. Gray in S. Wats. Proc. Amer. Acad. 22: 429. 1887. 



Not Coreo-psis mexicana Hemsl. 1881. 



Jalisco; type from Rio Blanco. 



Herbaceous or suffruticulose, many-stemmed, about 60 cm. high, nearly gla- 

 brous, leafy; leaves 2 mm. wide or less; heads few, long-peduncled, 1.5 to 2.5 cm. 

 wide; disk corollas without hairy annulus; outer achenes suborbicular; pappus 

 none. 



5. Coreopsis pinnatisecta Blake, Proc. Amer. Acad. 49: 339. 1913. 

 Leptosyne pringlei Robins. «fe Greenm. Amer. Journ. Sci. III. 50: 155. 1895. 



Not Coreopsis pringlei Robinson. 1907. 



Puebla and Oaxaca; type from Sierra de San Felipe, Oaxaca. 



Herbaceous or suffruticulose, 40 to 70 cm. high, essentially glabrous; leaves 

 2 to 4 cm. long, pinnately or sometimes bipinnately lobed, the lobes 1 mm. wide 

 or less; heads few, long-peduncled, 2.5 cm. wide; disk corollas with hairy annulus; 

 pappus none. 



6. Coreopsis insularis (T. S. Brandeg.) Blake, Proc. Amer. Acad. 49: 340. 



1913. 



Leptosyne insularis T. S. Brandeg. Erythea 7: 5. 1899. 



Known only from the type locality, Socorro Island. 



Decumtjent, suffruticose or suffruticulose, nearly glal)rous; leaves 1 to 2.5 

 cm. long, the lubes 1 mm. wide or les.s; disk corollas without annulus; pappus 

 none. 



7. Coreopsis cordylocarpa A. Gray in S. Wats. Proc. Amer. Acad. 22: 428. 



1887. 



Jalisco; type from Rio Blanco. 



Suffrutescent, about 2 meters high, leafy; leaves petioled, the blades 4.5 to 

 12 cm. long, pinnatisect, the lobes 2 or 3 pairs, linear-lanceolate, serrate or the 

 lower sometimes lobed at base, 2 to 9 mm. wide, somewhat pubescent; heads few 

 or numerous, long-peduncled, 2.5 to 3.5 cm. wide; achenes linear-clavate, scarcely 

 obcompressed, up to 12 mm. long. 



8. Coreopsis petrophiloides Robins. & Greenm. Proc. Amer. Acad. 29:388. 



1894. 



Colima to Michoacan; type from the Nevada de Colima. 



Shrubby, 1 meter high, sparsely pubescent above and often on the leaves; 

 leaves petioled, the blades 4 to 9 cm. long, 1 to 3.5 cm. wide, acute at each end 

 or acuminate, the upper reduced; heads few, about 3.5 cm. wide. 



9. Coreopsis petrophila A. Gray inS. Wats. Proc. Amer. Acad. 22:428.1887. 

 Durango and Jalisco; type from Rio Blanco, Jalisco. 



Suffruticose, branched, very leafy, nearly or quite glabrous; leaves slender- 

 petioled, the blades deltoid in outline, 3 to 4 cm. long and wide, bipinnatisect, 

 the primary lobes 3 or 4 pairs, the ultimate divisions 1 to 2 mm. wide; heads 

 several or many, panicled, 1.5 to 2 cm. wide. 



The specimen from Durango has broader leaf lobes than normal, and is referred 

 to this species with some hesitation. 



10. Coreopsis rhyacophila Greenm. Proc. Amer. Acad. 35: 313. 1900. 

 Morelos; type from Cuernavaca. 



