236 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



is Xinieniu, in which they are densely hairy within, wliile in Agonandra the 

 petals are glabrous within. 



1. AGONANDRA Miers (Ann. Nat. Hist. II. 8: 172. 1851, noiuen nudum) ; 



Benth. & Hook. Gen. PL 1: 349. 1862. 



Reference: Standley, The North American species of Agonandra, Journ. 

 Washington Acad. Sci. 10: 505-508. 1920. 



Shrubs or small trees, glabrous or nearly so, with slender, often pendulous 

 branches ; leaves alternate, entire, petiolate, stipulate ; llowers small, in brac- 

 teate axillary racemes, usually dioecious; calyx minute, 4 or 5-lobate; stami- 

 nate flowers with 4 or 5 narrow petals, the stamens 4 or 5, exserted, 4 small 

 scales present below the stamens ; pistillate flowers apetalous, the disk urceolate, 

 surrounding the ovary ; fruit fle.s-hy, drupaceous. 



Only one other species of the genus is known, a native of Brazil and Colombia. 



Leaves acute or acuminate; young branches glabrous 1. A. raceniosa. 



Leaves rounded or obtuse at apex ; young branches puberulent. 



Fruit 8 mm. long 2. A. obtusifolia. 



Fruit 15 mm. long 3. A. conzattii. 



i. Agonandra racemosa (DC.) Standi. Journ. Washington Acad. Sci. 10: 

 506. 1920. 



Schaefferia racemosa DC. Prodr. 2:41. 1825. 



Sonora to Guerrero ; originally described from one of Sesse and Mociiio's 

 plates. 



Shrub or small tree, 4 to 5 meters high, glabrous throughout; leaves lanceo- 

 late to broadly ovate-elliptic, 3 to 7.5 cm. long, acute to broadly rounded at base, 

 acute or acuminate at apex or sometimes obtuse and abruptly short-pointed ; 

 staminate flowers 2.5 mm. long, greenish ; fruit ^ibglobose, about 8 mm. long. 

 "Palo del golpe " (MichoacSn, Guerrero). 



2. Agonandra obtusifolia Standi. Journ. Washington Acad. Sci. 10: 507. 1920. 

 Tamaulipas and Veracruz ; tyi)e from Victoria, Tamaulipas. 



Shrub. 1 to 3 meters high, with spreading branches; leaves short-petiolate, 

 narrowly oblong to ovate, 2 to 5 cm. long, cuneate at base, somewhat succulent ; 

 staminate flowers 2.5 mm. long ; fruit yellow, not edible. " Granadillo," " revi- 

 enta cabra " (Tamaulipas), 



3. Agonandra conzattii Standi. Journ. Washington Acad. Sci. 10: 508. 1920. 

 Oaxaca and Puebla ; type from Portillo de Coyula, Distrito de Cuicatlan, 



Oaxaca. 



Leaves short-petiolate, oblong, lanceolate, or oblong-ovate, 2 to 2.5 cm. long, 

 cuneate at base, succulent, the petioles minutely puberulent. " Maromero " 

 (Oaxaca). 



29. OLACACEAE. Olax Family. 



Shrubs or small trees; leaves alternate, estipulate. entire; flowers small, 

 perfect, in cymes or racemes; calyx 4 or 5-dentate; corolla 4 to 0-lobed ; stamens 

 inserted with the perianth ; fruit a drupe. 



Stamens twice as many as the perianth lobes; perianth cleft nearly to the base, 

 the lobes densely barbate within 1. XIMENIA. 



Stamens as many as the perianth lobes ; perianth lobed to the middle or less 

 deeply, the lobes sparsely or not at all barbate 2. SCHOEPFIA. 



