Sinclairia tonduzii (B. L. Rob.) Rydb.

Sinclairia tonduzii (B. L. Robinson) Rydberg
Liabum Tonduzii B. L. Robinson (; Donn. Smith, Enum. PI. Guat. 6: 82, hyponym. 1903), Proc. Bost. Soc. Nat. Hist. 31: 270. 1904.
A climbing shrub, with dark-gray bark and conspicuous lenticels; young branches tomentose and densely hirsute with dark moniliform hairs; petioles 1.5-4 cm. long, dark-hirsute as the branches; leaf-blades rhombic-ovate, acuminate at the apex, acute at the base, mucronate-denticulate or subentire, 7-15 cm. long, 5-10 cm. wide, scabro-hirsutulous and green above, white-tomentose and hirsute beneath; inflorescence cymose-paniculate, with divergent darktomentose branches ; heads numerous, on short individual peduncles ; involucre turbinate, 6-7 mm. high, 10-12 mm. broad; bracts imbricate in 3 or 4 series, puberulent, striate, the outer short, ovate, acutish, the inner oblong-linear, elongate, rounded at the apex, reflexed in age; corolla glabrous, yellowish; tube gradually expanding into the short funnelform throat, the lobes acute, recurved-spreading; achenes hirsute, 10-ribbed, 2.5 mm. long; pappus-bristles 5-6 mm. long, brown, scabrous-hispidulous, the outer squamellae subulate, 0.5 mm. long.
Type locality: Banks of Rio Virillo, San Jose, Costa Rica. Distribution: Known only from the type locality.

Sinclairia pittieri Rydberg, sp. nov
A shrub, with striate somewhat floceose branches; petioles 5-8 cm. long, connate at the base; leaf-blades broadly oval, 10-15 cm. long, 7-12 cm. broad, acute at each end or shortacuminate at the apex, glabrous above, white-tomentose beneath, denticulate; inflorescence paniculate; branches spreading, floceose; heads numerous, 12-15-flowered, radiate; involucre about 7 mm. high and 10 mm. broad, puberulent; bracts in 4 series, the outer ovate, acute, the inner linear-oblong, rounded at the apex; tube of the ray-corollas 6 mm. long; achenes strigose; pappus-bristles light-brown, 6-7 mm. long, scabrous, the outer squamellae subulate, 1 mm. long or less. »
Type collected near Alajuelita, Costa Rica, December 1894, H. Pittier 9093 (U. S. Nat. Herb. no. 377219).

Sinclairia polyantha (Klatt) Rydberg
Liabum polyanthum Klatt, Bull Soc. Bot. Belg. 31': 209. 1892.
A shrub, with angled, striate, verrucose, and glandular branches; petioles 2-3 cm. long, < onnate at the base; leaf-blades oval or rhombic-oval, abruptly acuminate at the apex, cuneate but not decurrent at the base, 3-ribbed, denticulate, glabrous above, white-tomentose beneath, 9-13 cm. long, 4-8 cm. wide; inflorescence leafy, cymoee-paniculate; branches spreading, puberulent and ■omewhal glandular; heads numerous, 10-12-flowered, radiate; involucre
alxnjt 7 mm. higfa and 10 rum broad, pubi-rulriil ; brads in about 4 series, t litouter ovale ,
. tin inner linear oblong and rounded >t tin apex; tube of tin ray -corollas 4 mm. long, the
ligule oblong, 3 mm long; disk corollas d nun long; achenes apprcssed-pilosc; pappus
abrou , the outer squamellae small, subulate.
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InraiBi now Costa Ri< t