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524 FIELD MUSEUM OF NATURAL HISTORY BOTANY, VOL. XIX is Mt. Chimborazo, so that the above reference to "Peru" is merely an instance of imperfect geographic knowledge. Spruce 6203 is in better condition, and I have selected it as the type; it also bears Andre 4227 now in the Kew Spruce's proposed name macrophylla. Herbarium is apparently true P. macrophylla, but the specimen in the New York Botanical Garden consists of a single large leaf and, detached from this, a portion of a stem with an elongate peduncle bearing five large flowers. The flowers clearly belong to P. gigantifolia; the leaf may be either P. gigantifolia or P. macrophylla. In later publications Masters cited as P. macrophylla other collections from Colombia. I have not had an opportunity of dissecting the flowers of all, but those that I have dissected indicate that most of the specimens are better referred to P. arborea. 312. Passiflora gigantifolia Harms, Bot. Jahrb. 18: Beibl. 46: 1. 1894. Passiflora lorifera Mast. Journ. Linn. Soc. 20: 42. pi. 20, f. 5 (flowers). 1883, in part. Sparingly branched shrub, 1.5 to 4 meters high, the branchlets subterete, glabrous, without tendrils; petioles 3 to 4 cm. long; leaves oblong-obovate or oblong, 50 to 90 cm. long, 22 to 35 cm. wide, acuminate, rounded or cordulate at base, penninerved (midnerve biglandular toward base), membranous, glabrous, sea-green above, glaucous beneath ; peduncles once or twice dichotomous, the common peduncle up to 15 cm. long, the branched part up to 7 cm. long; calyx tube cylindric, 2 to 3 cm. long, 6 to 8 mm. in diameter; sepals oblong, 3.2 to 4 cm. long, 7 to 9 mm. wide, obtuse, subcoriaceous, green without, white within; petals subequaling the sepals, membranous, white; corona filaments orange, in about 4 series, the outermost 2 to 3 cm. long, about 1 mm. wide, enlarged at the apex to an ovate tip about 3 mm. wide, geniculate below the middle and above the middle, the succeeding series successively shorter, 8 to 1 mm. long, falciform; operculum borne just below middle of tube, erect, laciniate to below the middle; limen cupuliform; ovary white-tomentose. TYPE LOCALITY: Near Pisagua and Balsabamba, Province of Babahoyo, Ecuador. ILLUSTRATION: Journ. Linn. Soc. 20: pi. 20, f. 5, as to flowers. DISTRIBUTION: Western Ecuador, up to 600 meters altitude. ECUADOR: Rimbach 14 (B). Manabi: Peripa, Rio Daule, Andre 4227 (Y, as to flowers). Los Rios: Near Pisagua and Balsabamba,
AMERICAN PASSIFLORACEAE 525 200 to 600 meters, Lehmann 4837 (B, type, K). Between Quevado and Mocache, Canton Vinces, 60 meters, Mexia 6680 (N). Mrs. Mexia's beautifully prepared material consists of numerous flowers, longitudinally split when fresh so that the corona filaments and the operculum are easily studied in a dried state. In every detail these specimens agree with Harms' careful diagnosis. The flowers correspond also with those figured by Masters as P. lorifera. That species was based on Andre 4447bis, from Peripa, Ecuador, and the specimen from which the description was drawn was apparently a mixture of the foliage of P. reflexiflora and the flowers of P. gigantifolia. The elements on this sheet now at Kew are wholly of P. reflexiflora, and Andrews field notes apply to that species. At the same locality Andr collected, as No. 4227, material of a "tree passionflower." The sheet of this at Kew is P. macrophylla, as to both flowers and foliage, but the one at the New York Botanical Garden consists of several flowers of P. gigantifolia and a large leaf that may be either of these two species. An explanation for this involved situation may be this: Masters studied unmounted material of Andrews. With No. 4447bis, wnich mostly represented P. reflexiflora, there was a flower of P. gigantifolia. Later someone, Andre" perhaps, realized that the flower did not belong with the foliage, and transferred it to No. 4227, which was distributed to the New York Botanical Garden. Other material of No. 4227, the P. macrophylla element, was mounted for the Kew Herbarium. 313. Passiflora arborea Spreng. Syst. Veg. 3: 42. 1826. Passiflora glauca Humb. & Bonpl. PL Aequinoct. 1: 76. pi. 22. 1813. Not P. glauca Ait. (1789). Astrophea glauca M. Roemer, Fam. Nat. Syn. 2: 151. 1846. Tree 6 to 10 meters high, the cortex smooth, green, the branches alternate, terete, glabrous, the younger reddish brown; petioles 2 to 3 cm. long; leaves oblong or obovate-oblong, 10 to 30 cm. long, 5 to 15 cm. wide, acute or abruptly acuminate at apex, rounded or subcuneate at base, penninerved (nerves prominent beneath, the midnerve biglandular on under surface near base, the glands spreading over the surface of blade; lateral nerves 10 to 15 to a side, at first straight, arcuate toward extremity or arcuate from origin), membranous or subcoriaceous, glabrous, rarely hirsutulous on the nerves and veins beneath, bright green above, often glaucous beneath; peduncles up to 6 cm. long, simple or 1-2-furcate, bracteolate; calyx
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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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UNIVERSITY OF ILLINOIS-URBANA
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