Plants Collected in Paraguay. 91 



legume 15-20 cm. long-, 3 mDi. broad, very abundant. The petiolar 

 gland at the base of the petiole, and none between the leaflets 

 Downy on the upper part of the stem, petioles, and leaflet margins. 



Cassia mimiisoides, L., Sp. PL, 379. 



Caballero (404) ; Pilcomayo River (938). January-March. 



This species much resembles our North American P. nictitans, L., 

 although often much larger, sometimes reaching a height of G dm. 

 Stems suffrutescent at base, simple or branched. Flowers yellow, 

 small, in clusters or solitary on the stem. Gland elongated, cup- 

 shaped. Stem and leaves hirsute. Leaflets small, mucronate, 14-36 

 pairs, linear-oblong, oblique. 



Cassia Morongii, Britton, n. sp. 



Section Chamcefistula. A shrub 1^-2 m. high, the twigs, petioles, leaves 

 and inflorescence densely pubescent. Branches striate or angled ; leaves 

 short-petioled 6-10-foliolate, 6-10 cm. long; leaflets 4 pairs, sessile, oblong- 

 lanceolate, acutish and mucronate at the apex, rounded at the base, 3-4 cm. 

 long, about 1 cm. wide ; a sessile gland in the axil of one of the lower pairs ; 

 racemes 3-5-flowered, short-peduncled, terminal and in the axils of the upper- 

 most leaves ; pedicels 4-8 mm. long ; flowers bright yellow, 1-2 cm. broad ; 

 legume stipitate, quadrangular, pubescent with scattered hairs, 5-6 cm. long, 

 6-7 mm. thick, the valves reticulated. 



Pilcomayo River (1015). April. Resembles G. tomentosa, but 

 the pod very different. 



A tall, branching shrub, occurring sparsely on the banks of the 

 Pilcomayo. Flowers showy, in axillary clusters. The pod has a 

 sharp, subulate point, and contains from 30 to 40 small seeds lying 

 crosswise in as many cells. This was found at the Falls and in one 

 or two other places on the river, and always attracted attention by 

 its bright yellow flowers. 



Cassia niucronifera, Mart., Fl. Bras., xv, pt. 2, 116. 



Yilla Rica (613). January. 



Stems and leaflets fuscous-hairy. Leaflets 2 or 3 pairs. Glands 

 erect, oblong, between each of the 2 lower pairs of leaflets, not cup- 

 shaped. Flowers smaller than in no. 82 or 350. A shrub 9 to 12 

 dm. in height, growing upon the open campo at Yilla Rica. It has 

 long, sharp and hairy stipules, not so deciduous as in most of the 

 species. 



