Blake — A Revision of the Genus Viguiera 145 
95. V. fusiformis, sp. nov. Herbacea perennis caulibus paucis 
decumbentibus subsimplicibus 1-2-cephalis, e radice lignosa 
tuberosa radiculis tuberoso-fusiformibus, foliis usque ad medium 
caulem oppositi ik Iternis lanceolato-ovatis vel oblongo- 
ovatis utroque acutis strigosis et strigillosis supra obscure viridibus 
infra vix pallidioribus, involucri 2—3-seriati paullum gradati phyl- 
lariis lanceolatis acutis vel subacuminatis infra paullum incrassatis 
costatis strigillosis vel substrigosis apice herbaceis vix patentibus. 
Stems several, decumbent, herbaceous, 2.5-4.8 dm. long, sub- 
simple, bearing 1-2 heads, whitish, striatulate, tuberculate-hispid, 
at length subglabrate, from a woody tuberlike root with tuberous- 
fusiform rootlets. Leaves opposite about to middle, alternate 
above, lance-ovate or narrowly oblong-ovate, acute at each end, 
irregularly serrulate (teeth about 5 pairs, appressed), subtrinerved, 
strigose and strigillose both sides, scarcely paler beneath, 2.3-5.1 
cm. long, 6-16 mm. wide; petioles hispid, 2-3 mm. long or shorter. 
Peduncles 3-10 em. long, strigillose, naked or with one or two small 
bracts; heads 2.7 em. wide; disk 9 mm. high, 10.5-13.5 mm. 
thick. Involucre 2-3-seriate, slightly graduated, 6.5-8 mm. high, 
the phyllaries lanceolate or lance-oblong, acute or obtusish to 
subacuminate, rather densely strigillose or substrigose, scarcely 
ciliate, somewhat indurated and ribbed at base, the herbaceous 
apex subappressed. Rays about 12, yellow, oblong-linear, glandu- 
lar and pubescent on back, 11 mm. long, 2.5 mm. wide; disk- 
corollas yellow, sparsely strigillose, 4-4.5 mm. long (tube 0.7 mm.). 
Pales subacute, mucronulate, lineate, sparsely hispidulous at apex, 
5 mm. long. Achenes black, oblong, sparsely pubescent, 2.5 mm. 
long. Awns 2, slender, ciliolate, 1.8 mm. long; squamellae 4-6, 
sublacerate, 0.5 mm. long. — Viguiera prostrata DC. ! Prod. v. 579 
(1836), excl. the name-bringing syn. Helianthus prostratus Willd. 
Bidens tuberosa Sch. Bip. ! Bull. Soc. Bot. Fr. xii. 79 (1865), nomen; 
Linnaea xxxiv. 528 (1865-66), nomen; B. & H. Gen. PI. ii. 388 
(1873), where referred to Viguiera but comb. not definitely made. 
Viguiera tuberosa B. & H. ex Hook. & Jacks. Ind. Kew. ii. pt. 2. 1201 
(1895), nomen; not V. tuberosa Griseb. (1879). — BOLIVIA: 
fields, neighborhood of Sorata, near Munaypata, Prov. Larecaja, 
2650 m., Jan.March 1859, Mandon 49 (Tyre couu.: B. MM. G., 
K.). ‘Aa in the Prodromus Herbarium ex Balbis, without locality 
(V. prostrata DC.!). — T. 2. Fia. 22. 

