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440 FIELD MUSEUM OF NATURAL HISTORY BOTANY, VOL. XIX The principal differ- This species is very close to P. subpeltata. ence lies in the much coarser outer corona filaments. The leaves are less deeply lobed and the lobes are proportionately broader than in typical P. subpeltata. Forms of the latter, however, very closely approximate P. pollens in leaf shape. Wright 2599 is listed in Grisebach's catalog of the Wright collection as Passiflora (Granadilla) stipulata Benth., and in Sauvalle's Flora Cubana as Passiflora stipulata Aubl.?. The attributing of this species to Bentham was clearly an inadvertent error on Grisebach's part, as there is no record of Bentham's having used this name. In proposing P. pattens, Masters says, "P. pattens Poepp. MSS. (=P. stipulata Benth. ex Griseb. PI. Wright Cub. 2599, nee Aublet). Habitat in Cuba et in Venezuela: Burchell!, Fendler 2327!." No Poeppig specimen is listed, and I have seen none of his Cuban collections which can possibly be P. pattens. There are at the Boissier Herbarium specimens of Wright 2599 and of a Peruvian collection of Poeppig's, both of which had evidently been examined by Masters. The Peruvian specimen, annotated by Poeppig "P. pallens Poepp. diar.," belongs to a different species. The two Venezuelan specimens cited by Masters as P. pallens represent P. cyanea. 271. Passiflora elegans Mast, in Mart. Fl. Bras. 13, pt. 1: 621. 1872. Plant glabrous throughout; stem terete (younger portions angulate), very slender; stipules semi-ovate-lanceolate, 1 to 1.5 cm. long, 0.4 to 0.6 cm. wide, aristate, rounded at base, oblique; petioles up to 3.5 cm. long, very slender, minutely biglandular near middle, the glands short-stipitate; leaves 2.5 to 5 cm. long, 3.5 to 6 cm. wide, 3-lobed in upper third (lobes suborbicular, subequal, 1.5 to 2 cm. wide, rounded and emarginate at apex, biglandular in sinuses), truncate at base, 3-5-nerved, membranous, glaucous beneath; peduncles 2.5 to 4 cm. long, slender; bracts ovate-lanceolate, 10 to 13 mm. long, 6 mm. wide, acute, narrowed at base, sessile, thinmembranous, glaucous, borne 6 to 10 mm. below base of flower; flowers 3.5 to 4 cm. wide; calyx tube short-campanulate; sepals oblong-lanceolate, about 2 cm. long, 1 cm. wide, obtuse, ecorniculate, white(?); petals subequal to the sepals, about 6 mm. wide, obtuse, white(?) corona filaments in 4 ; series, those of the outer 2 subulate, about 1.5 cm. long, apparently white, banded with blue, those of the third series about 1 mm. long, those of the inner series reduced to
AMERICAN PASSIFLORACEAE 441 mere tubercles; operculum membranous, erect, about 1.5 mm. high, denticulate; ovary globose, glaucous. TYPE LOCALITY: Rio Grande do Sul, Brazil. ILLUSTRATION: Engl. & Prantl, Pflanzenfam. ed. 2. 21: 495. /. 229B. DISTRIBUTION: Southern Brazil to northeastern Argentina. BRAZIL: Rio Grande do Sul, Fox (K, type). Porto Alegre, Malme 152 (N, S). URUGUAY: Isla Gaspar, Rio Uruguay, Stuckert 15474 (Gen). ARGENTINA: Corrientes: Bonpland in 1821 (P). Santa Maria, Bonpland 758 (P). Malme's beautifully prepared material permits a more complete diagnosis of the flowers of this rare species, definitely known hitherto only from the type specimen. Masters placed the species in a section (No. 3) of Granadilla, characterized by a plicate operculum and foliaceous bracts, though his brief description does not suggest that the operculum is plicate. Actually it is nonplicate, and the species is most closely related to the West Indian P. pattens. It may be well to call attention to the fact that the Argentine specimens previously cited were part of a small collection made by Bonpland during the later years of his life, and are not to be confused with the well known Humboldt and Bonpland collection from northwestern South America and Mexico. The specimens of this collection bear a printed label "Herbier de la province de Corrientes, donne" par M(onsieur) A. Bonpland;" this has led to a confusion with Cape Corriente, Colombia, 'a place not visited by Humboldt and Bonpland. 272. Passiflora naviculata Griseb. Abh. Ges. Wiss. Gottingen 19: 149. 1874. Passiflora tucumanensis var. naviculata Hicken, Darwinia 1: 129. 1924. Plant glabrous throughout; stem terete or subangular; stipules semi-ovate, attached near middle of side (hence, subreniform), 1.5 to 2.5 cm. long, 0.5 to 0.8 cm. wide, mucronate, glandular-serrulate; petioles up to 3 cm. long, slender, glandless; leaves 2.5 to 6 cm. long, 4 to 7 cm. wide, 3 (rarely 5)-lobed about two-thirds their length (lobes ovate-oblong or ovate-lanceolate, 1 to 2 cm. wide, obtuse, mucronulate or retuse, 2-4-glandular in the sinuses, the glands sometimes filiform), cordulate or rounded at base, not peltate,
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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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336 FIELD MUSEUM OF NATURAL HISTORY
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LIST OF EXSICCATAE The numbers in p
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Synonyms in italics. INDEX Page num
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UNIVERSITY OF ILLINOIS-URBANA
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