Plants Collected in Paraguay. 191 



young branches. Flowers only seen, as the leaves do not appear 

 till after flowering. The flowers are bright yellow, very numerous, 

 12-30 in a cluster. Calyx 5-dentate, about \ as long as the corolla, 

 densely hirsute with long ochraceous hairs. Corolla trumpet-shaped, 

 with 5 large, rounded, emarginate or eroded, subequal lobes, 5 or 6 

 cm. in length, many-nerved and glabrous without, and clothed with 

 long ochraceous hairs in the interior. Fruit not seen. The great 

 masses of yellow flowers on the naked branches make a splendid 

 display at the time of blossoming. 



PEDALINE.^. 

 Craniolaria iiitegrifolia, Cham., Linnsea, vii, 725. 



Near Asuncion (824). November. = Gibert 1021. 



A coarse, branching herb, beset with glandular hairs which render 

 it very adhesive to the drying-paper. Stem succulent. Lea"ves 

 rounded-ovate and cordate, or somewhat reniform and much broader 

 than long, the largest 7-10 cm. broad and 5-6 cm. long. The flower 

 has a membranous spathe-like calyx. Corolla white, w^ith a slender 

 tube 10-13 cm. long and a large bilabiate limb, the upper lip 2-lobed, 

 lower 3-lobed, the middle lobe very large, rounded. Not seen in 

 fruit. Yery much like our MaiHynia. Roadsides east of the city. 



ACANTHACE^. 

 Ttiunliergia alata, Boj. in Hook. Ex. Fl., 1. 17. 



Asuncion (688). April. 



A slender vine, climbing over bushes. Leaves ovate, cordate- 

 hastate at base, on alate petioles. Flowers very pretty, the tube 

 of the corolla dark purple without and within, with 5 spreading 

 lobes of a chrome-yellow, which are oblique to the tube. 



Hygropllila lacustris, Nees, D.C., Prod., xi, 86. 



Trinidad (272); Pilcomayo River (1537). December-January. 

 Some of this was distributed as Hygrophila conferta, Nees. 



Hygropllila oMongifolia, Nees, Mart. Fl. Bras., ix, 21. 



Luque (295). December. 



Flowers light purplish-red, in many sessile axillary verticils for 

 3 or 4 dm. along the upper part of the stem. Stem square with 

 excavated sides and 4 sharp angles below, very hairy, 6-12 dm. 



