100 Plants Collected in Paraguay. 



Leaves bipinnate. Flowers light yellow, numerous, in slightly ob- 

 long (12-15 by 10-12 mm.) heads, which are racemosely arranged 

 at the ends of the branches. Legume 4-6 cm. long, 15 mm. broad, 

 irregularly moniliform. The graceful foliage and elegant flowers of 

 this shrub are pleasant to look at, but the spines inflict dangerous 

 wounds, which are liable to cause gangrene in the hot climate of 

 Paraguay. Common in thickets. 



Acacia Farnesiana (L.), Willd., Sp. PL, iv, 1083. 



Asuncion (751). June-July. 



The well-known "Aromita," which occurs in many parts of South 

 America, on both sides of the Andes. It is a straggling shrub, 

 2-3 m. in height, armed with stout, dangerous thorns. Flowers a 

 deep yellow, in small, globular, fuzzy-looking heads. These are 

 much esteemed for their fragrance, and when placed in bureau- 

 drawers or trunks impart a delightful odor to clothing. Fruit a 

 turgid, fusiform pod, 3 or 4 cm. long, filled with a white, cottony 

 substance, in which many small, lenticular seeds are imbedded. 

 Cultivated in gardens and common in thickets. 



Acacia? 



Pilcomayo River (1050). 



A tall, slender tree some 25 feet high, with slate-colored bark on 

 the trunk, and small hooked spines along the branches. Leaves 

 delicate, bipinnate, with a small, round, flat gland one-third of the 

 distance up the petiole. Pinnae in 3 or 4 pairs, 5 cm. long ; leaflets 

 3-5 mm. long, downy, mucronulate, 15-35 pairs, light green in 

 color. 



Acacia. 



Suburbs of Asuncion (1503). = Balansa 1423. 



Both M. Balansa's and Dr. Morong's specimens were collected 

 only in fruit. N. L. B. 



A small tree 4-6 m. high, glabrous, with gray bark and flexuous 

 branches, the branches glabrescent or puberulent. Spines small, 

 curved downwards, dilated at base, scattered or infra-petiolar. 

 Leaves bipinnate, with 2-4 pairs of pinnae, without glands ; leaflets 

 10-15 pairs, glabrous, linear, acute at the apex, oblique at the base, 

 2-3 nerved, 3-5 mm. long, not quite 1 mm. broad. Common 

 petiole l-lj cm. long, downy. Stipules subulate, deciduous. 

 Flowers not seen. Legumes flat, glabrous, 2-4 cm. long, 8-10 mm. 



