58 Plants Collected in Paraguay. 



Abiitilon pedunciilare^ H. B. K., Nov. Gen., v. 212. 



Asuncion (204); Pilcomayo River (942). November-April. 

 Named by Edmund Baker. 



Malachra alcaeifolia, Jacq. Coll., ii, 350. 



Pilcomayo River (1034). May. 



A singular plant which was growing in the water of the great 

 laguna on the Pilcomayo River. Stem 1-lj m. high, beset with 

 weak, yellowish prickles. Lower leaves ternate, 3-lobed or entire, 

 dentate, sparsely pellucid-punctate, hairy on the nerves. Flowers 

 lilac, in terminal clusters, 5-8 in a cluster and sessile on an invo- 

 lucre of large, ovate, crenate, foliaceous bracts. Calyx with 5 ovate, 

 very hairy, 3-nerved lobes, shorter than the corolla and subtended by 

 7 or 8 subulate, long-haired bracteoles. St3^1es 10. Ovary 5-celled, 

 with 1 ovule in each cell. Pod 5 mm. high, and nearly 1 cm. broad 

 across the truncate top of 5 rugose, separate carpels, each containing 

 1 large seed. 



PsiTOnia Morongii, Spencer Moore, ined. n. sp. 



Stem shrubby, clothed with long, white, scattered hairs and also a close 

 down, much branclied, 4-9 dm. high. Leaves cordate-ovate, pointed at the 

 apex, unequally dentate, 5-7 palmately nerved, hairy and downy like the 

 stem, 3-5 cm. long and 2-2^ cm. wide, on petioles 1^-2^ cm. long. Flowers 

 solitary on axillary peduncles 3-5 cm. long. Corolla light yellow, with a dark 

 eye at the base inside, the eye radiating in short lines at the top. Petals 

 obovate, rounded at the apex. Calyx much shorter, subtended by 7-8 subu- 

 late bracteoles 10-12 mm. long, hairy and downy like the stem. Styles and 

 stigmas 10. Pod glabrous, depressed globose, splitting into 4 or 5 1-seeded 

 carpels. The flowers of this plant when fully developed are very showy and 

 beautiful. On the campus nearly the whole length of the Pilcomayo. 



Pilcomayo River (872, 988, and 947). January-April. 



PaTonia comiliuiiis^ St. Hil., Fl. Bras. Merid., 1, 224. 



Between Yilla Rica and Escoba (473). January, 

 Stem downy with close, stellate pubescence, 4-6 dm. high. Leaves 

 ovate-lanceolate, 3-5 palmately nerved, dentate, stellately haired 

 and pubescent, pellucid-dotted, rounded at base, 5-10 cm. long, on 

 petioles 3-5 mm. long. Flowers large, dark yellow. Carpels 5, 

 armed with 3 long, downwardly barbed teeth. Persistent sepals 

 and bracteoles (5 or 6) longer than the pod. Styles 10. 



