70 Rusby : An Enumeration of South American Plants 



Bignonia unguis L. Sp. PL 623. Junction of Rivers Beni and 

 Madre de Dios, Aug. 1886 (nos. 1 1 37 and 2569). 



Bignonia vennsta Ker. Bot. Reg. //. 2^9. Guanai, 2000 ft 



May, 1886 (no. 2725). 



Bignonia sp. near B. dentata DC., but probably undescribed. 

 Flowers are wanting. Guanai, 2000 feet, May, 1886 (no. 1148). 



Bignonia, three species, the specimens unfit for determination, 

 Guanai, 2000 ft., May, 1886 (nos. 1138 and 1146), and Unduavi, 

 8000 ft., Oct., 1885 (no. 2537). 



Bignonia sp. (?) Guanai, 2000 ft., May, 1886 (no. 2724). The 

 material is unfit for dissection. 



Bignonia sp., Guanai, 2000 ft. May, 1886 (no. 1148). This 

 is almost certainly undescribed, but flowers are wanting. 



Bignonia Benensis Britton, sp. nov. 



Inflorescence and flowers minutely puberulent : branchlets slen- 

 der, coarsely sulcate : petioles 3 or 4 cm. long, stoutish, deeply 

 pitted at the enlarged summit, between the petiolules : leaflets 2 

 or 3 : petiolules of the lateral .5-1 cm. long, the blades 6 or 7 

 cm. long, 2.5-3.5 cm. broad, ovate, slightly cordate, very short- 

 pointed but obtusish, dark-green, coriaceous, the slender venation 

 lightly prominent on both sides, the 10-12 pairs of secondaries 

 connecting near the margin : terminal leaflet similar, but its petiolule 

 two or three times as long, the blade one third longer and relatively 

 broader : cyme shortly and stoutly peduncled or sub-sessile, subu- 

 late-bracted : pedicels about 7 mm. long, thickened at the sum- 

 mit : calyx thick, nearly 1 cm. long, 6 mm. broad, campanulate, 

 the mouth oblique, sinuately lobed : corolla-tube infundibular, 

 the lower half lightly contracted and darker, about 5 cm. long, 

 1.5 cm. broad at the summit, the spreading limb 3 cm. broad : the 

 lobes rounded. 



Junction of Rivers Beni and Madre de Dios, Aug. 1886 (no. 



Bignonia Boliviana sp. nov. 



Glabrous except the minutely puberulent flowers : branches 

 terete, gray, white spotted : branchlets slender, strongly striate : 

 leaves ternate ; petioles 3-5 cm. long, striate : lateral petiolules, 

 .5-1 cm., terminal 2 cm. long: leaflets, .5-1 dm. long, 3— 6 cm. 

 broad, oval or ovate, at the base rounded, truncate or sub-cordate, 

 at the apex very short-pointed and obtuse, very thin, dark-green, 

 the dark, coarse and coarsely reticulate venation not prominent, 



