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542 FIELD MUSEUM OF NATURAL HISTORY BOTANY, VOL. XIX 330. Passiflora deficiens Mast. Journ. Bot. Brit. & For. 21: 34. 1883. Scandent shrub (?); tendrils few or none; branches terete, finely puberulent, glaucescent; petioles 1 to 3 cm. long, glandless, finely puberulent; leaves narrowly oblong, 10 to 20 cm. long, 4 to 7 cm. wide, short-acuminate, rounded or slightly narrowed at base, entire, penninerved (principal lateral nerves 10 to 15 to a side, rather prominent, the intermediate secondary nerves fainter, the midnerve biglandular near base), reticulate-veined, subcoriaceous, light green, sublustrous, glabrous; peduncles solitary, 3 to 4 cm. long, slender, articulate above middle, puberulent; bracts setaceous, 1 to 1.5 mm. long, deciduous, borne at point of articulation; calyx tube shortcampanulate, 2 to 4 mm. long, 5 to 7 mm. wide at throat, introrse; sepals oblong, 2 to 2.5 cm. long, 0.8 to 1 cm. wide, obtuse; petals similar to the sepals; outer corona filaments 2 to 2.5 cm. long, falcatedolabriform (dilated portion shallowly lobed or deeply cleft at inner margin), smooth at margin, the inner filaments in 4 or 5 series, to about 4 mm. (lower), decreasing in length from 7 mm. (upper) capillary, capitellate, erect; operculum arising about 3 mm. above base of tube, about 1 mm. long, dependent, crenulate; ovary oblong, rufo-tomentellous; styles hirsutulous. TYPE LOCALITY: Essequibo River, British Guiana. DISTRIBUTION: British Guiana. BRITISH GUIANA: Essequibo River, Jenman 1169 (BG, K, type). Upper Demerara River, Jenman 3999 (BG). Potaro Landing, Jenman 7501 (Ut). In describing this interesting species Masters comments on the deep tubular "basal corona" and on the absence of a "middle corona." As mentioned elsewhere, the use of the terms "middle" and "basal" for the two interior corona-like processes of Passiflora was not wholly satisfactory. In the case of P. deficiens the interior membrane is borne very close to the floor of the calyx tube, much below its middle. However, from its structure it is far more like the operculum of other species of Astrophea than like the true limen (basal corona) in Plectostemma, Dysosmia, and Granadilla. 331. Passiflora costata Mast, in Mart. Fl. Bras. 13, pt. 1: 573. 1872. Passiflora eminula Mast. Journ. Linn. Soc. 20: 32. pi. 20, f. 1-3. 1883. Passiflora hydrophila Barb. Rodr. Vellosia 1: 26. 1891: 3, pt. 1: pi. IS. 1891.
AMERICAN PASSIFLORACEAE 543 Passiflora inundata Ducke, Archiv. Jard. Bot. Rio de Janeiro 4: 146. 1925. Subscandent shrub; branches subangular, stout, puberulent; tendrils few, usually very slender; petioles up to 3.5 cm. long, biglandular at apex, the glands ovate, scarlike; leaves obovate to narrowly oblong-obovate, 5 to 25 cm. long, 4 to 16 cm. wide, rounded, rarely subacute, often emarginate at apex, cordulate or rounded and usually subpeltate at base, penninerved (nerves 12 to 15 to a side, impressed above, prominent beneath), conspicuously reticulate, coriaceous, dull or very slightly lustrous and glabrous above, glabrous or usually finely puberulent beneath, at least on the nerves and veins; peduncles solitary or in pairs, 1 to 4 cm. long; bracts narrowly linear, about 2 mm. long, scattered; flowers 6 to 7 cm. wide (expanded), fragrant; calyx tube broadly campanulate or slightly funnel-shaped, 5 to 10 mm. long, about 1 cm. wide at the throat; sepals oblong-lanceolate, 2 to 3 cm. long, 1 to 1.3 cm. wide, slightly concave at apex, fleshy, green without, white within; petals oblongspatulate, 1.5 to 2.5 cm. long, 1 cm. wide, obtuse, membranous, white; corona filaments in about 6 series, the outermost subdolabriform, 1.5 to 2 cm. long, orange, reddish at middle, laterally compressed, usually lobulate along inner margin at widest point, the attenuate tip verrucose, the filaments of the succeeding series narrowly liguliform, gradually decreasing in length from 5 to 1 mm.; operculum membranous, deflexed at base, the upper half erect, minutely denticulate; gynophore stout, swollen at a point about 5 mm. above base; ovary narrowly ovoid, sulcate, densely tomentose. TYPE LOCALITY: Junction of Rio Negro and Amazon, Brazil. ILLUSTRATIONS: Journ. Linn. Soc. 20: pi. 20, /. 1-3; Vellosia 3, pt. I: pi. 13. DISTRIBUTION: Surinam, French Guiana(?), and British Guiana to northeastern Peru, at low elevations; Rio de Janeiro, where probably introduced. SURINAM: Menge, ex reliq. Wullschlagel (Brux). Lawa River, Kappler 2118 (Leid, P, Ut, V). Tapanahoni River, Versteeg 850 (Ut). Gonini River, Versteeg 177 (Ut), 255 (Ut). Surinam River, Fairchild 3827a (N); Lanjouw 1148 (Ut). Coppename River, Boon 1090 (Ut), 1113 (Ut), 1207 (Ut). Bergendaal, Focke 1148 (Ut). BRITISH GUIANA: Appun 2173 (K). Essequibo River, Jenman 1160 (EG), 1305 (EG, K). Mazaruni River, Jenman 742 (EG, K),
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THE UNIVERSITY OF ILLINOIS
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THE AMERICAN SPECIES OF PASSIFLORAC
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PRINTED IN THE UNITED STATES OF AME
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UNIVERSITY OF ILLINOIS-URBANA
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