68 Plants Collected in Paraguay. 



base of the blade. Petioles very short. Flowers few, in small 

 panicles, yellow or sometimes purple. Calyx with 8 glands. Fruit 

 very large, 3- sometimes 5-winged, the wings 2 by 3^ cm., hairy, 

 purple-tinged, lobed, or irregularly dentate on the margins. 



Janusia Giiaraiiitica, Juss., Monog., 350. 



Asuncion ("104). November-Ma3^ 



A very pretty little twining shrub, common in old fields and on 

 roadsides about Asuncion and on the Pilcomayo, often found climb- 

 ing upon herbaceous plants and small shrubs. The 5 green sepals 

 have each 2 bean-shaped glands on the back. Petals yellowy with 

 long claws, large ovate blades, widely separated, and the corolla 

 spreads open rotately in anthesis from half to three-quarters of an 

 inch in diameter. The ovaries are 3-carpelled, each carpel becom- 

 ing in fruit a 3-winged samara with the seeds at the base. 



Janusia Barbeyi, Chodat, Bull. Soc. Bot. Suisse, i, 34. 



Pilcomayo River (1090). January. = Balansa 2401, Herb. Kew. 



Chodat, in his brief description of this species, cites this number 

 of Balansa in part. Our specimens appear slightly different from 

 our no. 704, but do not altogether agree with the characters assigned 

 by M. Chodat to J. Barbeyi. 



GERANIACE^. 

 Tropaeoluni pentapliyllum, Lam., Encyc, i, 612. 

 Buenos Aires (14). October. 



Oxalis articulata, Sav., Lam. Encyc, xv, G36. 



Asuncion (656). April. 



Flowers usually bluish-purple, sometimes white. 



Oxalis corniculata, L., Sp. PL, 435. 



Asuncion (319). December. 



An odd-looking little Oxalis, resembling a small clover in general 

 appearance. It throws out runners 10 to 15 cm. long, which root 

 at the joints, and from each joint rises a fascicle of stems and leaves. 

 Leaves ternately or quinately pinnate, the leaflets broader than long, 

 emarginate and ciliate. Flowers light yellow. It has a curious 

 habit in fruit. The peduncle is about 1 cm. long, and articulated 

 half-way up, the joint marked by 2 small bracts. At the articula- 



