. Carnegie Institution of Washington publication. PERESKIA. 13 This species was described lay De Candolle from Mocino and Scsse's drawing, but it has never been collected since, so far as we can learn. Its large flowers with laciniate petals must make this a very striking species and it is surprising that it has not been rediscovered. Schumann thought it might be the same as P. nicoyana of Costa Rica, but a study of recent Costa Rican collections indicates that the species are distinct. The measurements given in the description are taken from De Candolle's plate, and may require some modificat
. Carnegie Institution of Washington publication. PERESKIA. 13 This species was described lay De Candolle from Mocino and Scsse's drawing, but it has never been collected since, so far as we can learn. Its large flowers with laciniate petals must make this a very striking species and it is surprising that it has not been rediscovered. Schumann thought it might be the same as P. nicoyana of Costa Rica, but a study of recent Costa Rican collections indicates that the species are distinct. The measurements given in the description are taken from De Candolle's plate, and may require some modification. ('actusfimbriatus Mocino and Sesse (De Candolle, Prodr. 3:475. 1828) was published only as a synonym of this species. Illustrations: Mem. Mus. Hist. Nat. Paris 17:11!. 18; Forster, Handb. Cact. ed. 2. 1003. f. 136; Safford, Ann. Rep. Smiths. lust. 1908: 545. f. n. Text-figure 4 is copied from the first illustration above cited. 4. Pereskia nicoyana Weber, Bull. Mus. Hist. Nat. Paris 8:468. 1902. Tree, usually about 8 meters high; branches rigid, stout, covered with smooth brown bark; spines wanting or single, long (4 cm. long), stout and porrect; leaves in fascicles on old branches, but alternate on young shoots, lanceolate or oblanceolate, subsessilc, the lateral veins almost parallel and some-. FIG. 5.—Pereskia nicoyana. FIG. 6.—Pcreskia zehntneri. times seeming to come from the base, acute, bright green, and somewhat shining; axils of the young leaves containing long white hairs; petals reddish yellow, fimbriate; ovary pyriform, bearing 8 to 12 spreading leaves, except the uppermost ones, which are much smaller and connivent. Type locality: Gulf of Nicoya, Costa Rica. Distribution: Costa Rica. The spines, hairs in the axils of the leaves, and fimbriate petals indicate a relationship to the little-known P. lychnidijlora. Mr. H. Pittier informs us that this species is common in the open coastal forests along the Pacific side of Costa Rica. The plant illust
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