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548 FIELD MUSEUM OF NATURAL HISTORY BOTANY, VOL. XIX slightly verrucose to apex, those of the inner series linear-clavate, about 2 mm. long, strongly compressed; operculum borne at middle of tube, 1.5 to 2 mm. long, white, filamentose about to middle; ovary oblong, densely and softly puberulous. TYPE LOCALITY: Minas Geraes, Brazil (type, Martins MS. No. 1136, in Munich Herbarium). ILLUSTRATION: Mart. Fl. Bras. 13, pt. 1: pi. 108, f. 1. DISTRIBUTION: Southeastern Brazil, extending from Minas Geraes southward. BRAZIL: Sello 310 (N), 1092 (B, BM, K), 1105 (B), 1126 (B). Cerros dos Pirrheiros, Pohl 3498 (V). Minas Geraes: Serra do Caraca, Barreto 885 (N); Mendon^a 104-1 (B). Ouro Preto, Schwacke 7474 (B). Rio de Janeiro: Raben (Martins 564; Brux, Cop). Nova Friburgo, Glaziou 13454 (B, Brux, Cop, Gen, K, type of P. platystyla, P); Curran 643 (N). Sao Paulo: "Morro del Oro," Puiggari in 1883 (P). Santa Anna, Brade 6095 (S). Sao Paulo, Mosen in 1870 (S). Cesario, Hoehne 4507 (N). Parana: Itarare", Dusen 16521 (G). Large-leafed forms of this species are sometimes confused with P. Mansii. Flower structure of the two is quite different: in P. Mansii the inner filaments of the corona are subulate, in P. haematostigma linear-clavate; in P. Mansii the operculum is filamentose to the base, in P. haematostigma cleft only part way. Tendrils are usually present in this species, although in Mosen's plant from Sao Paulo they are very slender. Passiflora platystyla is scarcely distinguishable from P. haematostigma. This is one of the few species of Pseudoastrophea of which the lowermost leaves have been seen in herbaria. The sheet of Dusen 16521 in the Gray Herbarium shows a portion of the basal part of the plant bearing leaves shaped much like those of P. ligularis. The thick stem of this lower portion has stout tendrils, and the plant doubtless is a woody vine rather than a shrub. 336. Passiflora ceratocarpa Silveira, Archiv. Jard. Bot. Rio de Janeiro 5: 217. pi. 30. 1930. Woody vine; stem terete, pilosulous, glabrescent with age; petioles about 2 cm. long, biglandular at apex, the glands sessile; leaves ovate or cordate-ovate, 10 to 14 cm. long, 7 to 12 cm. wide, obtuse at apex, cordate, entire, penninerved (principal lateral nerves about 7 to a side), conspicuously reticulate-veined, thick-coriaceous,
AMERICAN PASSIFLORACEAE 549 lustrous and finely puberulent on the nerves above, pilosulous beneath; peduncles solitary, erect, about 1.5 cm. long, articulate near middle; flowers 3.5 to 5 cm. wide (expanded); calyx tube shortcylindric-campanulate, about 10 mm. long, 8 mm. wide; sepals oblong, 2.5 to 3 cm. long, 7 to 8 mm. wide, obtuse, subcoriaceous; petals subequal to the sepals; corona filaments in 2 series, the outer erect, subfalcate, about 1 cm. long, dilated above middle, rounded at apex, those of the second series narrowly linear, about 1 cm. long; operculum borne just below middle of tube, membranous, denticulate; ovary ovoid, puberulous; fruit subglobose, 2.5 to 3 cm. in diameter, the exocarp coriaceous, puberulous; seeds broadly obovate, 5 to 7 mm. long, 4 to 5 mm. wide, coarsely reticulate. TYPE LOCALITY: Para (Belem), Brazil. ILLUSTRATION: Archiv. Jard. Bot. Rio de Janeiro 5: pi. 30. 1930. DISTRIBUTION: Para, lower Amazon Basin, Brazil. BRAZIL: Para: Belem do Para, Ducke 17333 (type collection; B, Bo, K, N, Ut); Dahlgren & Sella 760 (F). This is distinguished from P. haematostigma by its differently shaped outer corona filaments and less deeply cut operculum. The leaves are larger and thicker. 337. Passiflora phaeocaula <strong>Killip</strong>, Journ. Wash. Acad. Sci. 17: 430. 1927. Plant scandent, the tendrils well developed; stem subquadrangular, slender, dark purple; stipules setaceous, soon deciduous; petioles 5 to 8 mm. long, glandless or obscurely glandular at base of leaf, minutely puberulent; leaves oval, 3.5 to 5 cm. long, 2 to 2.5 cm. wide, rounded and slightly emarginate at apex, rounded at base, entire, penninerved (lateral nerves 5 to 7 to a side), reticulate-veined (nerves and veins elevated and conspicuous on both surfaces), thickcoriaceous, lustrous and glabrous above, dull and minutely puberulent beneath; peduncles solitary, 1-flowered, 4 to 6 mm. long, shorter than the adjacent petiole; bracts soon deciduous; calyx tube funnelshaped, about 8 mm. long, 5 mm. wide at throat, dark-maculate within; sepals narrowly oblong, about 2 cm. long, 6 mm. wide, obtuse, ecorniculate; petals similar and subequal to the sepals; corona filaments in 2 series, the outer about 1 cm. long, subdolabriform, linear below, dilated to a width of about 1.5 mm. above middle, attenuate at tip, the inner filiform, about 1.5 mm. long, shallowly bifid; operculum borne in lower third of tube, erect, 4 mm. long, filamentose nearly to base; ovary ovoid, puberulent.
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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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