192 Plants Collected in Paraguay. 



high. Leaves oblong-elliptical, 4-15 cm. long, 1^-4 cm. broad, the 

 uppermost sessile, appressed-hispid on both sides, especially on the 

 veins beneath. 



Ruellia Morongii, Britton. 



Cryphiacantlms acaulis, Nees in Mart. PI. Bras., ix, 49, not Ruellia acaulis R. Br. 



Near Asuncion (323). December. 



Acaulescent, t to 10 cm. high, growing on the Gran Campo, some 

 5 or 6 miles from Asuncion. Flowers 2 or 3 on a short peduncle, 

 infundibuliform, lilac without, and a deep purple mingled with 

 streaks of yellow within. The flowers are quite conspicuous, ap- 

 pearing when growing almost as large as the plant. 



Cryphiacantlms angusti/olius, Nees in D. C. Prod., xi, 199, not Ruellia angusi- 



folia, Sw 



Caballero (461). January. 



This species has branching stems 10-12 cm. high, linear, sessile 

 leaves, and flowers larger than in no. 323, otherwise much the 

 same. Occurs on the railway track. 



Ruellia Balliensis (Nees), Morong. 



Dipter acanthus Bahiensis, Nees in Mart. Fl. Bras., ix, 39. 



Between Yilla Rica and Escoba (526) ; Asuncion (659). October- 

 March. 



A square-stemmed suffruticose plant 13-25 cm. high, in open 

 grounds and among bushes in thickets. Stem hispidly hairy on 

 the upper portion. Leaves opposite, oval or ovate, obtuse at the 

 apex, more or less hispidly hair}^ and ciliate, 2-6 cm. long, 1-2 cm. 

 wide, sloping into a petiole 1-^ mm. long. Flowers white or pale 

 blue. Calyx divided to the base, the lobes linear or subulate, equal, 

 strongly hispid ciliate, ^ or ^ as long as the corolla. Corolla 2^-3 

 cm. high, somewhat 2-lipped, the lobes broad, rounded, and oblique 

 to the pubescent tube. Flowers sessile, axillary, in pairs. Capsule 

 obovoid, 8-10 mm. long, compressed at the base, pubescent. 



Ruellia Tweedii (Nees), T. Anderson in Herb. Kew. 

 Blechum Tweedii, Nees, D.C., Prod., xi, 466. 



Pilcomayo River (967). March. = Balansa 2458. 



Many-branched from the base, the stems 6-9 dm. long, nearly 

 prostrate, the ends curling over and taking root at the nodes. 

 Found only in fruit. Deep, moist woods. 



