290 PROCEEDINGS OF THE AMERICAN ACADEMY. 
branching; branches diffuse, fastigiate-corymbose, leafy ; upper stem 
somewhat villous, leaves linear-lanceolate, acute, remotely dentate, 
1-nerved, 2.5 cm. long, .2 em. wide, base connate-vaginate : peduncles 
and pedicels winged: heads .3 cm. long, with a bracteate base, 1-ligulate, 
5-flowered: 9 achene 1.5 mm. long, y 1 mm. long. — Klatt, Leopold. 
xxili. 146 (1887) ; F. angustifolia, Sch. Bip. non Pers. var. ramosissima, 
Klatt, l.c.— Mexico: Tehuacan, Pringle, 6756, Aug. 1897, alt. 1500 m. 
(hb. Gr., hb, U. S.); Puebla near Tehuacan, Pringle, 7031, 1895 (hb. 
U.S., hb. Gr.) ; Liebmann, 456 and 457 (hb. Gr.). 
++ ++ Bracts swollen. 
10. F, anomara, Rob. A glabrous annual, a span high: stem 
striate, angulate, much branched: leaves linear or lanceolate-linear, 
gradually narrowed to a slightly connate base, acute, 4 cm. to 5 cm. 
long, .3 cm. to .5 em. wide: heads numerous, aggregated at the ends of 
the branches in dense corymbs, very small, subtended by minute dark- 
tipped bracts, 1-(rarely 2-) flowered; the single flower either tubular or 
ligulate : involucral scales of unequal breadth, lanceolate-linear or oblong, 
more or less narrowed but obtuse at the apex, persisting in fruit, and 
becoming swollen and bulbous on the back near the base; corollas 
bright yellow; in the tubular flowers the campanulate throat and spread- 
ing limb equalling the tube, the latter hairy on the outer surface; the 
igules .2 cm. or less in length: achenes about equal. — Rob. Proc. Am. 
Acad. xxvii. 178 (1892). — Mexico: San Luis Potosi, Sept. 1890, 
Pringle, 3669; Plains of Venegas, Pringle, 5367, Nov. 1892 (hb. U.S.) ; 
Parry, in 1878, North Mexico, 31, and in 1878 en route from San Luis 
Potosi to San Antonio, Texas, 500 (ab. Gr., hb. U. S.). 
+ + Perennial. 
++ Inflorescence much branched ; glomerules of few heads. 
11. F, Palmeri, nov. sp. Thickened perennial root, giving rise to 
1 to several more or less reclining stems; stem pale, branching copiously, 
glabrous: leaves linear-lanceolate, Sparingly denticulate, slightly connate, 
1 to 3.5 cm. long: heads in rather small cymes; cymes in compound 
_ corymbiform panicles: involucral bracts 3, equal, slightly keeled, .5 cm. 
long, the 1-2 outside bracts minute: lamina 9 oval, .3 cm. long, exceed- 
ing slightly the achene; corolla tube villous. — Mexico: San Lorenzo 
: Laguna, 93-114 kms. southwest of Parras, Coahuila, Palmer, 684, 
May, 1880 (hb. Gr., hb. U. S.). 
