58 Contributions from the Gray Herbarium 
series oblong, chartaceous, round-tipped, enlarged in fruit; all 
appressed. Rays 12, 1-2 cm. long, 2.8-7.5 mm. wide; disk-corollas 
densely puberulous, 6-7 mm. long (tube 1.5 mm. long). Pales 
acute, spinulose-erose on margin and keel, 8-11 mm. long. Achenes 
somewhat appressed-silky-pubescent, 6.5 mm. long. Awns linear- 
lanceolate, 4.5-6 mm. long; squamellae about 6-8, subequal or the 
inner minute, free or more or less united below, 1.5 mm. long or 
less; pappus persistent. — Blake, Proc. Am. Acad. li. 518 (1916). 
Tithonia pachycephala H. & A.! Bot. Beech. Voy. 299 (1840), not 
DC. (err. iden.). 7. angustifolia H. & A.!1. ¢. 435 (1841). Viguiera 
blepharolepis Gray! Proc. Am. Acad. xix. 5 (1883). — MEXICO: 
SinaLoa: Cerro de Pinal, Dec. 1848, Seemann 1481 (TYPE COLL. 
of V. blepharolepis: G., K.); Trric: Tepic, Sinclair (typPE of T. 
angustifolia: K.), Barclay (B. M.), Jan.—Feb. 1892, Palmer 1859 
(G., U. §.); Jaisco: rocky hills near Tequila, 12 Oct. 1893, 
Primgle 4546 (B. M., G., K., Mo., U. 8.). Mexico without definite 
locality (Tepic ?): Beechey (K.). 
12. V. ensifolia (Sch. Bip.), comb. nov. Apparently herbaceous, 
slender, sparsely branched above, the stem subsparsely tuberculate- 
strigillose. Leaves opposite, linear-lanceolate, long-attenuate and 
somewhat falcate, 3-nerved and reticulate beneath, very obscurely 
serrulate, above dull green, harshly tuberculate-strigillose, the 
tubercles persistent, beneath finely and evenly canescent-strigillose 
and gland-dotted, 11-12 em. long, 0.9-1.3 em. wide, the upper 
much reduced; petioles about 4 mm. long. Heads 2 cm. wide, 
rather numerous (25 in specimen), on axillary and terminal pe- 
duncles 2.5-5.5 em. long; disk 9 mm. high, 11 mm. wide. Involucre 
5-seriate, about 9 mm. high, the phyllaries oval (outer) to oblong 
or oblong-obovate, densely and canescently strigillose and ciliolate, 
the outer strigose toward apex and mucronate, with indurated base 
and siccate-subherbaceous tip, the inner broadly rounded, with 
somewhat ampliated submembranaceous apex, all whitish-green, 
appressed or the inner with somewhat loose tips. Rays about 8 (?), 
about 9 mm. long, 5 mm. wide ; disk-corollas puberulous especially 
below, 4.2 mm. long (tube 1 mm.). Pales narrow, acutish, minutely 
puberulent especially above, 5.6 mm. long. Achenes (immature) 
brownish, glabrous. Pappus none. — Montagnea ensifolia Sch. 
Bip.! in Seem. Bot. Herald 304 (1856-57). Zaluzania ensifolia 
Sch. Bip. Flora xlvii. 216 (1864). Gymnolomia ensifolia (Sch. Bip.) 
