218 Plants Collected in Paraguay. 



stipitate. Capsules pubescent, about 1 mm. long ; seeds in my 

 specimens tetragonous, with even sides and no furrows of any kind. 



i:upliorl>ia liypericifolia, L., Sp. PL, 454. 



Asuncion (372); Pilcomayo River (93^). November-February. 



The plants vary considerably. The stems and capsules, generally 

 o-labrous, are sometimes pubescent. Leaves occasionally linear, 

 falcate, acute and entire, but usually they are well marked, and 

 the seeds are entirely of this species. The plant often grows in the 

 streets of Asuncion as well as in the suburbs. On the campo along 

 the Pilcomayo it sometimes attains a height of 1 or 1^ metres. 



PtiyllanttlllS orbiculatllS, L. C. Richard, Act. Soc. Par. 1792, p. 113. 



Asuncion (678). April. 



Growing in old cultivated fields. Stem erect, slender, 15-20 cm. 

 high. Juice watery, not milky as in Euphorbia. Flowers white, 

 minute, axillary; pedicels in fruit reflexed and 2 mm. long. Leaves 

 orbicular, alternate, glabrous, about 1 cm. in diameter. Capsules 

 depressed-globose, smooth, 6-seeded ; seeds pitted on the convex 

 back. 



Phyllantliiis Cliacoensis, Morong, n. sp. 



A tree 8-12 m. high, with crooked, straggling limbs, which begin near the 

 ground and are often much crowded and hoiizontal, 3-4 dm. in diameter at 

 the base, with much broken, shaggy gray bark; the wood very hard. Leaves 

 pinnate, with 5 or 6 subopposite leaflets, the leaflets oval or nearly orbicular, 

 entire, coriaceous, glabrous, shining, slightly cordate at base, 2-7 cm. long and 

 2-3^ cm. wide, nearly sessile. Flowers monoecious, about 2 mm. high, and on 

 a pedicel of the same length, all on the old wood and appearing before the new 

 leaves, in very slender racemes, which are usually densely crowded, and from 

 3 to 6 em." long. Grlauds of the disk wanting. Perianth segments normally'' 

 4, purple and white or sometimes greenish, obovate, fringed at the apex. 

 Staminate flowers normally with 4 free stamens opposite the segments. 

 These, however, vary very much, and they and the perianth segments are 4, 

 and 7 in number, the segments separate or sometimes partly united. Pis- 

 tillate flowers with a 2- or 3-celled ovary, each cell 2-ovuled. Style short, 

 2-divided, each division splitting into 2-4 stigmas, which curl downwards 

 over the ovary. Fruit a small bluish, 2 celled drupe, which, when dry, has a 

 thick corky putamen, oval, 5 or 6 mm. long. 



In the Gran Chaco, opposite Asuncion (355). =^ Balansa 1712, 

 and Fendler Panama 140 and 323. September-January. 



