Blake — A Revision of the Genus Viguiera 55 
panicled, 3.5-4 cm. wide; disk 9~(fruit)16 mm. high, 8-14 mm. 
thick, convex in fruit. Involucre 9-11 mm. high, 4—5-seriate, the 
phyllaries blackish-green, the two or three outer series oblong or 
obovate-oblong, herbaceous at the acute reflexed apex, indurated 
and ribbed below, tuberculate-strigillose and hispid-ciliate, the 
inner two series somewhat indurated below, subherbaceous at 
length chartaceous at the enlarged apex, tuberculate-strigillose, 
more or less glandular-dotted, ciliolate, enlarged and looser in 
fruit. Rays about 10, oblong to lance-oblong, 1.2—2 cm. long, 3-4 
mm. wide, sometimes deeply 2-lobed;  disk-corollas sometimes 
purplish-tinged in age, puberulous, 6 mm. long (tube 1.8-2 mm.). 
Pales mucronately pointed, glabrous, 6.5 mm. long. Achenes 
sparsely hairy or subglabrate, 4 mm. long, 1 mm. wide. Awns 
2 mm. long, rather easily deciduous at maturity; squamellae 
quadrate, laciniate-fimbriate, 0.2-0.8 mm. long, a pair at base of 
each awn, easily deciduous. — B. & H. ex Hemsl. Biol. Centr.- 
Am. Bot. ii. 177 (1881); Gray, Proc. Am. Acad. xix. 5 (1883); 
Rob. & Greenm. Proc. Bost. Soc. Nat. Hist. xxix. 88 (1899). 
Helianthus buddleiaeformis DC.! Prod. v. 588 (1836). Verbesina 
mollis ? Alam. ex DC. 1. c. as syn. (1836), not HBK. Helianthus 
rugosus Schauer! Linnaea xix. 728 (1847), not Meyen, Reise 
ii. 45 (1835). Viguiera rugosus (a) (Schauer) B. & H. ex Hemsl. 
l. c. ii. 178 (1881). — MEXICO: Guanasvato: Villalpando, 1829, 
Mendez (cotyrpr of H. buddleiaeformis: Prod.); MuicHoacan: 
Patzcuaro, 20 Oct. 1898, Holway 3217 (G.); Quinceo, near Morelia, 
11 Nov. 1909, Arséne (U.S.); State or Mexico: Valley of Mexico, 
1855, Schaffner 7 (G.); 1. ¢., Schmitz 59 (G.); San Nicolas, 26 Sept. 
1865, Bourgeau 965 (B. M., G., K., U. S.); hills near Santa Fe, 3 
— Oct. 1865, Bourgeau 965 bis G., K., U. S.); Sante Fe, 18 Oct. 
1903, Rose & Painter 8002 (U. S.); near Tacubaja, Sept. 1854, 
Schaffner 159 (K.); Tultenango Canyon, 17 Oct. 1890, Pringle 
3314 (B. M., G., K., Mo., U. 8.); hills, Valley of Mexico, 29 Oct. 
1896, Pringle 7348 (G): en Hondo Canyon, 22 Oct. 1900, Pringle 
9055 (G., K., Mo., U. §.); thickets near Eslaba, 2440 m.; 18 Oct. 
1903, Pringle 11608 (G., K., U. 8.); near City of Mexico, 18 Oct. 
1903, Holway 5173 (G.); Pursia: Yavesia, Liebmann 610 (G.). 
Mexico without locality: Alaman (coryPs of H.buddleiaeformis: G., 
Prod.); Tate 117 (K.); Mackenzie (K.); Baites 16 (K.,Prod.); Hahn 
(K.); Aschenborn (TYPE cou. of H. rugosus: K.).—T. 2. Fie. 2. 
