538 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
11 mm. thick; involucre 2 or sub-3-seriate, graduate, 4.5 mm. high, densely 
cinereous-strigose, the phyllaries lance-ovate or lanceolate, narrowed to a cal- 
lous-mucronulate tip, appressed or the extreme tip somewhat loose; rays 12, 
golden yellow, oval, neutral, the lamina about 9 mm. long, 4 mm. wide; disk 
flowers numerous, their corollas yellow, finely hispidulous chiefly above, 4.5 
mm. long (tube 0.6 mm., throat cylindric, 3.2 mim., teeth ovate, 0.7 mm.) ; pales 
acute, firm-tipped, accumbent-hispidulous, blackish green dorsally, about 5.5 
mm. long; ray achenes inane, hispidulous; disk achenes obovate-oblong, 2.8 
min. long, 1 mm. wide, strongly compressed, multistriatulate, glabrous, blackish 
brown, epappose. 
Type in the U. 8. National Herbarium, no. 1,069,161, collected on the Paramo 
de Timotes, Mérida, Venezuela, altitude 3,200 meters, January 21, 1922, by 
Alfredo Jahn (no, 845). 
Nearest Hymenostephium goebelii (Klatt) Blake, also known only from the 
high pfiramos of Venezuela, which is distinguished by its much narrower leaves 
and regularly tricephalous cymes. 
Otopappus australis Blake, sp. nov. - PLaTE 45, 
Shrub, evidently scandent; stem slender, rather sparsely strigillose; leaves 
opposite; petioles 4 to 6 mm. long, strigillose; blades elliptic-ovate or ovate, 
6 to 10.5 cm. long, 2.5 to 6.2 em. wide, acuminate and more or less faleate, at 
base rounded and often unequal, pergamentaceous, obscurely serrulate, above 
deep green, shining, evenly strigillose but smoothish to the touch, beneath 
duller green, strigillose along the venation, densely dotted with shining glands, 
strongly triplinerved and with an additional weaker herve on each side near 
the margin, the primary veins impressed above, the secondaries obscure, the 
primaries and secondaries prominent beneath, loosely reticulate, the secondaries 
spreading nearly at right angles; peduncles axillary and terminal, strigillose, 
1.3 to 3 cm, long, bearing about 7 heads; bracts spatulate, 7 to 15 mm. long; 
pedicels 3 to 10 mm. long; heads campanulate, 6 mm. high, about 7 mm. 
wide; disk 4 to 5 mm. wide; involucre 3-seriate, 2.5 to 3 mm. high; outer 
phyllaries ovate, with indurate body and strongly refiexed linear obtuse her- 
baceous tip, gland-dotted and sparsely strigillose, the tip 2 to 3.8 mm. long; 
middle phyllaries similar but with shorter herbaceous tip; inner phylaries 
lance-elliptic, indurate throughout, obtuse or acute, obscurely  cilivlate, 
sparsely strigillose, gland-dotted; rays about 10, pale yellow, shorter than the 
disk, fertile, the tube 0.5 mm. long, the lamina linear, 3-nerved, 3 mm. long, 0.6 
mm. wide, sparsely hispidulous and glandular dorsally, the nectary at base of 
style prominent, 0.5 mi. long; disk corollas pale yellow, 3.8 mm. long, hispidu- 
lous toward apex, the tube searcely distinguishable from the throat; pales 
acuminate, hispidulous above, slender, 5 mm. long; ray achenes (immature ) 
trigonous, narrowly 3-winged, 1.8 mm. long, the wings lacerate-ciliate, adnate 
to the base of the 3 awns, these 1.8 mm. long; disk achenes (immature) nar- 
rowly obovate, narrowly 2-winged, 2 mm. long, one of the wings lacerate- 
ciliate; awns 2 (sometimes 3), unequal, spinulose, 2.3 to 3 mm. long, adnate 
at base to the wings; squamellae united into a lacerate crown about 0.4 mm. 
long. 
Type in the U. 8. National Harbarium, no. 1,065,071, collected in valleys anal 
hills of Patanemo, east of Puerto Cabello, Carabobo, Venezuela, altitude 10 
to 250 meters, December 4 to 5, 1919, by H. Pittier (no, 8656), 
ADDITIONAL SPECIMEN EXAMINED : 
VENEZUELA: Trailing on bushes, Guaremales, November 20, 1920, Pittier. 
9142. 
