BLAKE—NEW PLANTS FROM VENEZUELA, 535 
ADDITIONAL SPECIMENS EXAMINED: 
VENEZUELA: Pfiramo de Piedras Blancas, Mérida, altitude 4,000 meters, 
March 27, 1915, Jahn 398. Pf&ramo de Timotes, Mérida, altitude 
4,200 meters, September 4, 1921, Jahn 584. 
This, the only species of the genus known in America outside of Brazil, 
Uruguay, and Paraguay, is at once recognizable by its combination of dense 
glandular pubescence and wingless stem. Schultz Bipontinus’s name Moritzia 
glandulosa® presumably referred to this species, but no description has ever 
been published. Podocoma bartsiaefolia apparently differs from all the known 
species of the genus in its essentially equal involucre and ellipsoid-fusiform 
glabrous achenes, but I have no material of the genus for comparison aside 
from a single sheet of the Australian species, P. cuneifolia R. Br. 
EXPLANATION OF PLATE 43.—Podocoma bartsiaefolia, from the type specimen. Natural 
size. 
Achyrocline flavida Blake, sp. nov. 
Suffrutescent, 28 em. high, few-branched near base; stems stout, simple, 
densely leafy, densely tomentose-lanate with cinerascent wool, beneath the 
tomentum densely subglandular-puberulous; leaves crowded, erect, narrowly 
elliptic, 2 to 2.5 cm. long, 3 to 7 mm. wide, obtuse, obscurely short-decurrent 
at the scarcely narrowed base, densely tomentose-lanate like the stem, beneath 
the tomentum densely spreading-puberulous with subglandular hairs, 3 or 
obscurely 5-plinerved from base; heads very numerous, crowded in a dense 
terminal glomerule 8.5 cm. thick; involucre straw-yellow, 5 mm. high, slightly 
graduated, the phyllaries oval-oblong, obtuse or rounded, or the inner apiculate, 
scarious, nerveless, lanate-pilose and somewhat glandular toward base; heads 
6-flowered, the pistillate flowers 3 or 4, the hermaphrodite 2 or 3; pistillate 
corollas tubular-filiform, at apex sparsely pubescent with short clavate gland- 
tipped hairs, 3.2 mm. long; hermaphrodite corollas similarly pubescent, slen- 
derly*tubular-funnelform, 3.2 mm. long; achenes (scarcely mature) 0.6 mun, 
long; pappus bristles 3 mm. long, deciduous in groups. 
Type in the U. S. National Herbarium, no. 601978, collected in the upper 
belt of the southern slope of Pico de Naiguaté, Miranda, Venezuela, altitude 
2,400 to 2,765 meters, May 24 to 25, 1913, by H. Pittier (no. 6243). 
Apparently distinct from any published species in its single dense terminal 
glomerule of straw-yellow heads, its elliptic, very crowded leaves, and very 
dense, lanate tomentum. 
Riencourtia ovata Blake, sp. nov. PLATE 44. 
Erect herbaceous perennial; root subglobose, tuberiform, about 8 mm. thick; 
stems solitary, simple, or with short axillary branches, about 75 cm. high, 
hispid with appressed or ascending tuberculate-based hairs; leaves remote, 
opposite, 6 or 7 pairs; petioles hispid, 3 to 5 mm. long; blades ovate or rotund- 
ovate, those of the middle leaves larger, 4 to 4.5 em. long, 2 to 2.8 em. wide, 
acute or obtusish, at base broadly rounded or subcordate, papyraceous, crenate- 
serrate with about 9 pairs of teeth, nearly equally green on both sides, hispid- 
pilose both sides with ascending or somewhat spreading hairs, those on the 
upper surface tuberculate-based, triplinerved from the base; glomerules ternate 
ut tip of stem, subsessile or on peduncles up to 4 cm, long, subglobose, 8 to 13 
mm. thick, each composed of about 12 sessile heads, subtended by one or two 
lanceolate herbaceous bracts about 7 mm. long; heads obovoid, 5 mm. long, 
4 mm. thick; phyllaries 6, the 4 outer subequal, broadly obovate-oval, 4.5 mm. 
long, subscarious, strigose above, obscurely callous-mucronulate at the broadly 
® Baker in Mart. Fl. Bras. 6°: 14, 1882, nomen nudum. 
