Blake — A Revision of the Genus Viguiera 45 
Viguiera HBK. Nov. Gen. et Sp. iv. 224. t. 379 (1820); Spreng. 
Syst. ili. 615 (1826), excl. V. foliacea; DC. Prod. v. 578 (1836), 
excl. V. foliacea; Gardn. Lond. Journ. Bot. vii. 395 (1848), excel. 
spp.; Benth. & Hook. Gen. PI. ii. 375 (1873); Hemsl. Biol. Centr.- 
Am. Bot. ii. 177 (1881); Gray, Proc. Am. Acad. xix. 5 (1883); 
Baker in Mart. Fl. Bras. vi. pt. 3. 217 (1884); Gray in Wats. 
Proc. Am. Acad. xxii. 426 (1887); Brandegee, Proc. Calif. Acad. 
ser. 2. il. 173 (1889); O. Hoffm. Nat. Pflanzenfam. iv. pt. 5. 235. 
f. 116 D (1890); Britton, Bull. Torr. Club xix. 149 (1892); Chod. 
Bull. Herb. Boiss.'ser. 2. ii. 724 (1903); Greenm. Proc. Am. Acad. 
xxx1x. 103 (1903); Glaziou, Bull. Soc. Bot. Fr. lvii. Mém. 3. 412 
(1910); Blake, Proc. Am. Acad. xlix. 348, 374 (1913); Cockerell, 
Torreya xv. 11 (1915); Blake, Proc. Am. Acad. li. 518 (1916). 
Viguieria Durand & Jackson, Ind. Kew. Suppl. i. 454 (1906), 
sphalm. 
Leighia Cass. Dict. Sci. Nat. xxv. 435 (1822), as to type species; 
DC. Prod. v. 580 (1836), in part. 
Harpalium Cass. Dict. Sci. Nat. xxv. 437 (1822), excl. type 
species (H. rigidum Cass.); DC. Prod. v. 583 (1836), in part. 
Heliomeris Nutt. Journ. Acad. Nat. Sci. Philad. N.S. i. 171 
(Aug. ee Gray, Pl. Fendl. 84 (1848); Pl. Wright. i. 107 (1852), 
li. 87 (18 
ee. eelioas, Proc. Calif. Acad. ii. 35 (1863). 
Gymnolomia of most authors in great part, not HBK. Nov. Gen. 
et Sp. iv. 217 (1820). 
Microcephalum Sch. Bip. ex Klatt, maecpt xxiil., 90 (1887), 
as syn. (Gymnolomia). : 
Subgenus I. Amphilepis, subg. nov. Herbae perennes vel rare 
suffrutices, capitulis saepe magnis vel majusculis, foliis saepe ovatis 
vel oblongo-lanceolatis, involucri 3—5-seriati plus minusve gradati 
phyllariis saepe lanceolatis vel oblongo-lanceolatis interdum ob- 
longis exterioribus saepius herbaceis acutis involutis rare oblongis 
planis, interioribus oblongis vel oblongo-spathulatis vel -obovatis 
apice ampliato rotundato membranaceo vel chartaceo-membrana- 
ceo et subsicco, pappo ex aristis et squamellis liberis composito vel 
interdum nullo. — Species typica V. excelsa (Willd.) B. & H.— 
Twelve species of Mexico, with medium or large heads, the inner 
phyllaries especially in fruit submembranaceous or subchartaceous 
at the rounded ampliated apex. Species 1-12. 
