Parr 3, 1916] CARDUACEAE: TAGETEAE 189 
21. Porophyllum ochroleucum Rydberg, sp. nov. 
A shrubby perennial; stems 5 dm. high or more; branches green, terete, glabrous, striate, 
ascending; leaves short-petioled; blades narrowly oblanceolate, 3-5 cm. long, 2-4 mm. wide; 
heads in dense cymes; peduncles about 1 cm., rarely 1.5—2 cm. long; involucre campanulate, 
about 9 mm. high, 5-6 mm. broad; bracts 5, linear, with triangular acute tips, glabrous, with 
2 rows of linear glands; flowers about 15; corollas ochroleucous, 6-7 mm. long; tube more than 
twice as long as the funnelform throat; achenes 7 mm. long, hispidulous; pappus yellowish, 
tinged with purple, about 6 mm. long; bristles hispidulous. 
Type collected at Sancito, Lower California, October 14, 1893, T. S. Brandegee (herb. N. Y. 
Bot. Gard.). 
22. Porophyllum cedrense Rose & Standley, sp. nov. 
A diffusely branched shrub, less than 5 dm. high; branches terete, slightly striate, often 
purplish; leaves alternate, sessile; blades fleshy, oblong, 1—2 cm. long, obtuse; heads usually soli- 
tary, usually nodding; peduncles 3-5 cm. long; involucre campanulate, fully 1 cm. high, 6 mm. 
broad; bracts 5, oblong, more or less purplish, abruptly short-acuminate, with 2 rows of linear 
glands; corollas pale, 5 mm. long; tube longer than the funnelform throat; achenes hispidulous 
on the angles; pappus tawny, 5 mm. long; bristles hispidulous. 
= ag collected on Cedros Island, Lower California, March 10, 1911, J. N. Rose (U. S. Nat. 
erb.). 
23. Porophyllum obtusifolium DC. Prodr. 5: 650. 1836. 
A suffruticose perennial; stems several, erect, strict, 4-5 dm. high, glabrous, striate; leaves 
alternate or some opposite, short-petioled, the lower blades oblanceolate, spatulate or oblong, 
rounded or obtuse at the apex, thick, the upper linear and acute, with 3-5 glands along the 
margins; heads many in a terminal subracemose or corymbose inflorescence; peduncles 
striate, 2-3 cm. long; involucre campanulate, 9-10 mm. high, purple; bracts oblong, with round- 
keeled backs, scarious margins, and 2 rows of linear glands, acute; corollas dirty-white or slightly 
pinkish, 6 mm. long; tube slender, puberulent; throat funnelform, very short; lobes long and 
linear-lanceolate; achenes 6 mm. long, glabrous; pappus straw-colored, tinged with purple, 
4 mm. long; bristles hispidulous. 
Type Locatity: Near Villalpando, Mexico. 
DISTRIBUTION: Jalisco, Guanajuato, and Mexico (state). 
24. Porophyllum coloratum (H.B.K.) DC. Prodr. 5: 650. 1836. 
Kleinia colorata H. B. K. Nov. Gen. & Sp. 4: 158. 1820. 
? Kleinia tagetoides H. B. K. Nov. Gen. & Sp. 4: 158. 1820. 
? Porophyllum tagetoides DC. Prodr. 5: 650. 1836. 
Hunteria fuscata Moc. & Sessé; DC. Prodr. 5: 650, assynonym. 1836. 
A slender annual, sometimes glaucous; stem 3-5 dm. high, branched, glabrous, striate or 
somewhat angled; leaves mostly alternate, short-petioled; blades narrowly lance-linear or linear, 
2-5 cm. long; heads solitary at the ends of the branches; peduncles 2-5 em. long; involucre 
campanulate, 9-10 mm. high, dark-purple; bracts mostly 5, linear-oblong, round-keeled on the 
back, somewhat gibbous at the base, obtuse at the apex, with 2 rows of linear glands; corollas 
purple, 6 mm. long; tube puberulent, longer than the narrowly funnelform throat; lobes 
narrowly lanceolate; achenes 5 mm. long, hispidulous, black; pappus 7 mm. long, ochroleu- 
cous, often tinged with purple; bristles hispidulous. 
Type LocaLity: Guanajuato. 
DistriBuTion: Sonora to San Luis Potosi and Oaxaca. 
ILLUSTRATION: Mart. Amoen. Monac. #l. 15. 
25. Porophyllum Linaria (Cav.) DC. Prodr. 5: 649. 1836. 
Cacalia Linaria Cav. Ic. 3: 29. 1794. 
Hunteria columbina Moc. & Sessé; DC. Prodr. 5: 649, as synonym. 1836. 
_ Porophylium linariaefolium St.-Lag. Ann. Soc. Bot. Lyon 7: 132. 1880. 
A suffruticose perennial; stem 3-5 dm. high, with light-green, grooved or striate, erect 
branches; leaves alternate, sessile; blades 2—5 cm. long, narrowly linear, somewhat fleshy, often 
revolute, with 2 rows of oblong glands; heads few, corymbose; involucre campanulate, about 
