540 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
0. verbesinoides, which sometimes has a pair of shorter awns in addition to 
the two which are normal for the genus. 
EXPLANATION OF PLATE 46.—Oyedaea jahnii, from the type specimen, Natural size. 
Verbesina laevifolia Blake, sp. nov. PLATE 47. 
Shrubby; stem stout, glabrous, purplish-tinged; leaves alternate, crowded 
toward apex of stem (or branches) ; petioles stout, purplish, glabrous, 3 to 4 
mm. long; blades wedge-obovate or elliptic-obovate, 6.5 to 11.5 em. long, 2 to 
3.8 cm. wide, rather abruptly short-acuminate, long-cuneate to base, obscurely 
crenate-serrulate chiefly above middle, somewhat wavy and slightly revolute 
on margin, glabrous and smooth to the touch on both sides, deep green above, 
somewhat paler green beneath, with purplish costa, feather-veined, the lateral 
veins about 13 pairs, anastomosing toward margin, impressed above, prominu- 
lous beneath, the costa prominent beneath; panicle terminal, flattish, 8 to 13 
em. wide, surpassing the leaves, very many-headed, the branches purplish, 
densely spreading-pilose with several-celled whitish hairs, the bracts linear, 
5 to 12 mm. long, about 1 mm. wide, the heads mostly sessile in glomerules of 
about 4, sometimes solitary on pedicels up to 6 mm. long; heads discoid, 8 to 
10-flowered, 1 to (fruit) 1.2 em. high, 5 to (fruit) 8 mm. thick; involucre 2- 
seriate, unequal, 4 to 5 mm. high, the phyllaries few, oblong, obtuse, rather 
sparsely pilosulous with erectish hairs especially toward margin, short-ciliate, 
with greenish white base and subequal, blackish green, appressed apex; disk 
corollas white, 6 mm. long, the tube and throat isodiametric, densely hispid- 
pilose with several-celled erectish hairs, the teeth linear-elliptic, papillose- 
ciliolate (tube 2.2 mm., throat 1.4 mm., teeth 2.4 mm.) ; pales obtuse or acutish, 
sometimes apiculate, about 7 mm. long, sparsely hispid-pilose on back, ciliolate 
above, blackish green toward apex; achenes obovate, compressed, 5 mm. long, 
2.5 to 3 mm. wide, narrowly white-winged on both margins (wings about 0.5 
mm. wide), short-pilose, ciliolate on the wings; awns 2, unequal, slender, 2.2 
to 3.2 mm. long, adnate at base to the wings. 
Type in the U. S. National Herbarium, no. 988436, collected on the Silla de 
Caracas, Coastal Range, Federal District, Venezuela, altitude 2.000 to 2,640 
meters, December 26 to 29, 1918, by H. Pittier (no. 8332). 
A member of the section Lipactinia, related to V. guianensis Baker and V. 
schomburgkii Schultz Bip., but distinguished by its smaller, perfectly glabrous 
and smooth leaves and glabrous stem. 
EXPLANATION OF PLATE 47.—Verbesina laevifolia, from the type specimen. Natural size. 
Calea lindenii (Schultz Bip.) Blake. 
Allocarpus lindeniit Schultz Bip.; Wedd. Chlor. And. 1: 74. 1856. 
Weddell’s description, based on Linden 1625 of 1844, from the Sierra Nevada 
of Santa Marta, Province of Rio Hacha, Colombia, altitude 4,050 meters, applies 
perfectly to specimens collected by Dr. Jahn (no. 70) at Pueblo Llano, Vene- 
zuela, altitude 2,150 meters, December 2, 1910. The species is 1 member of the 
small group of section Allocarpus centering around Calea caracasana (H. B. K.) 
Kuntze, and is readily distinguished from all its relatives by its perfectly 
glabrous stem. 
Chaptalia meridensis Blake, sp. nov. 
Scapose perennial, 20 to 28 em. high; root not seen: leaves all basal, 2 or 
more, marcescent; petioles 1 to 5 cm. long, stout, naked, densely rufous- or 
ochroleucous-lanate, becoming griseous; blades oval or suborbicular-oval, 5 to 
6 cm. long, 3 to 4.5 cm, wide, broadly rounded and sometimes minutely apiculate, 
at base broadly rounded to subcordate, repand or subentire, coriaceous, above 
cinereously arachnoid-lanate, becoming glabrous and shining, beneath densely 
