72 Rusby : Ax Enumeration of South American Plants 



spreading limb about 2 cm. broad : pod cylindrical, elongated, 4- 

 5 mm. thick. 



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

 1 144). 



Macfadyena Bangii sp. no v. 



Glabrous : branchlets stoutish, light-gray-brown : petioles 2-3 

 cm. long, stout, strongly sulcate : leaflets 2, with a terminal tendril : 

 petiolules .5—1 cm. long, very stout, broadly channeled above: 

 leaflets 1-1.25 cm. long, 5-6 cm. broad, ovate, rounded to sub- 

 cordate at the base, very short-pointed at the apex, thick and rigid, 

 pale-green, slightly shining above, the venation lightly prominent 

 underneath, the 7 pairs of very slender secondaries connected dis- 

 tantly from the margin : tendril simple, stout, elongated : peduncle 

 about 5 cm. long, stout, few-flowered : pedicels about 5 mm. long, 

 very stout : bract 3 cm. long, closed toward the base, campanulate, 

 lightly nerved, tipped with a short, very thick, black, blunt strongly 

 incurved beak : tube of the yellow corolla 5 cm. long, 1 cm. broad 

 at the summit, infundibular, strongly nerved : lobes 3 cm. long 

 and broad, narrowed at the base, rounded at the summit. 



J 



Madre de Dios, Aug. 1886 (no. 



1 1 39). Mixed with this species are some fragments of another 

 with lanceolate leaflets, little more than half as long, and thin, and 

 the flowers smaller though very similar. This also appears unde- 

 scribed, but the material is too scanty. 



Adcnocalymna multiglandiilosiim Benth. {fide Britton). Junc- 

 tion of Rivers Beni and Madre de Dios, Aug. 1886 (nos. 1 145 and 

 1786), and Unduavi, 8000 ft., Oct. 1885 (no. 1141). 



Adenocalymna bracteatum (Cham.) DC. Prod. 9 : 200 {Big- 

 nonia bractcata Cham. Linnaea, 7 : 692. 1832. Guanai, 2000 ft, 



May 



Pleonotoma Brittoni sp. no v. 



Glabrous : branches very slender, coarsely angled : stipules 

 1.75 cm. long, 2.25 cm. broad, cordate, highly inaequilateral, mu- 

 cronate, entire, conspicuously nerved : petioles 5 or 6 cm. long : 

 entire leaf about 2 dm. long and broad : pinnae three pairs, one of 

 the lowest pair a tendril, the other of two and a half pairs of leaf- 

 lets (of which the lowest or middle pair are ternate) the middle of 

 one and a half pairs, the upper of single leaflets : leaflets sub-ses- 

 sile or short-petioluled, except the terminal, which are strongly 

 petioluled, 2.5-6 cm. long, 1.25-3 cm - broad, the terminal 



