Part 1, 1914] CARDUACEAE : HELENIEAE 23 



appendages; achenes oblong with callous margins, puberulent, minutely or obscurely ciliate, 



3 mm. long; pappus of a minute crown of squamellae and a single scabrous awn as long as the 



achene. 



Type locality: Badehuache, Sonora. 

 Distribution: Sonora. 



5. Leptopharynx grandif olia (Brand.) Rydberg. 



Perityle grandifolia Brand. Zoe 5: 224. 1905. 



A perennial, branching from the suffrutescent base, 1-2 dm. high; branches sparingly viscid- 



villous; leaves opposite; petioles 3-5 cm. long, viscid- villous ; blades broadly ovate, 4-7 cm. 



long, viscid-pubescent on both sides, 5-7-ribbed, coarsely crenate-serrate, cordate at base 



with acute sinus; peduncles 3-5 cm. long; involucre 5-6 mm. high and as broad; bracts linear, 



viscid- villous ; ligules white, 5-6 mm. long; disk-flowers numerous; corolla- tube glandular- 



puberulent, 1-1.5 mm. long; throat cylindric, 2.5 mm. long; achenes oblong, 3 mm. long, 



without callous margins and pappus. 



Type locality: Cerro Colorado, Sinaloa. 

 Distribution: Sinaloa. 



6. Leptopharynx Palmeri (S. Wats.) Rydberg. 



Perityle Palmeri S. Wats. Proc. Am. Acad. 24: 57. 1889. 



A low perennial, woody at the base; stems 1-2.5 dm. high, striate, glandular- villous when 



young; leaves opposite; petioles 3-5 cm. long, viscid- villous ; blades thin, ovate-cordate, 3-5- 



ribbed, 3-5 cm. long, viscid-puberulent on both sides, acutely 7-9-lobed and sharply serrate, 



the lobes triangular, acute; peduncles 3-7 cm. long; involucre 7-8 mm. high and about 10 



mm. broad; bracts narrowly linear, attenuate, viscid- villous ; ray-flowers about 15; ligules 



yellow, 8 mm. long; disk-flowers numerous; corolla-tube glandular, 1.5 mm. long; throat 3 mm. 



long, subcylindric; achenes oblong, ciliate on the margins, 3 mm. long; pappus of a crown of 



squamellae slightly longer than the hairs, and a single barbellate awn equaling the disk-corolla. 



Type locality: Guaymas, Sonora. 

 Distribution: Guaymas and vicinity. 



7. Leptopharynx lobata Rydberg, sp. nov. 



A low perennial, woody at the base; stem scarcely 1 dm. high, sparingly viscid- villous ; 

 leaves opposite; petioles slender, 2-3 cm. long; blades very thin, reniform in outline, 1.5-2.5 

 cm. broad, nearly glabrous, 3-5-ribbed, usually 5-lobed, with rounded sinuses between the 

 lobes; lobes obovate in outline, doubly dentate; peduncles 4-5 cm. long; involucre 8 mm. 

 high and about as broad; bracts linear, acute, sparingly viscid-villous ; ligules yellow, 

 oblong, 8 mm. long, 2-2.5 mm. broad; disk-flowers many; corolla-tube nearly 2 mm. long, 

 glandular-puberulent ; throat subcylindric, 3 mm. long; achenes oblong, nearly 5 mm. long, 

 short-ciliate on the callous margins; pappus of a small crown and a single barbellate awn as 

 long as the disk-corolla. 



Type collected at Coronado, Lower California, February 19, 1889, T. S. Brandegee (Gray Herb.) . 



8. Leptopharynx trisecta Rydberg, sp. nov. 



A suffruticose perennial; stems 1-3 dm. high, decumbent or ascending, arachnoid- villous 

 and more or less glandular; leaves mostly opposite, the uppermost alternate; petioles 1-3 cm. 

 long; blades deltoid or ovate in outline, deeply 3-cleft with rounded sinuses, the divisions usually 

 again lobed and dentate, 1-3 cm. long, more or less viscid-villous and glandular-puberulent; 

 heads corymbose; peduncles 1-3 cm. long; involucre 7-8 mm. high, 10-12 (rarely 13-15) mm. 

 broad; bracts glandular-puberulent, linear-oblanceolate, acute; ray-flowers 10-20; ligules pale- 

 yellow, oblong, 6-8 mm. long; disk-corollas glandular-puberulent; tube 1.5-2 mm. long; throat 

 fully 3 mm. long; achenes oblong, densely ciliate on the margins, which are scarcely callous, 

 pubescent on the faces; pappus of a short crown of lanceolate squamellae; awn solitary, as long 

 as the corolla, scabrous. 



Type collected on dry cliffs, rocky hills near city of Chihuahua, March 20, 1885, Pringle 183 

 (herb. N. Y. Bot. Gard.). 



Distribution: Chihuahua. 



