Rusby : Ax Enumeration of South American Plants 29 



and weak, much dilated at the insertion: blades .5-1 dm. long, 

 2.5-5 cm - broad, ovate, mostly inaequilateral, the base rounded 

 but abruptly slightly produced into the petiole, acute and short- 

 pointed at the apex, rather coarsely serrate, very thin, pale, the 

 midrib and 9 or 10 pairs of very slender secondaries lightly prom- 

 inent underneath : cymes mostly 3— 5-flowered, the filiform ped- 

 icels 2 or 3 cm. long : calyx 5 mm. long, parted almost to the 

 base, the lobes ovate, obtuse, foliaceous, widely spreading : corolla 

 1.5 cm. long, .75 cm. broad, as pressed, red, cylindraceous, 

 lightly dilated about the middle, the base very oblique, the lobes 

 about 2 mm. long, unequal, broad, rounded, erect-spreading: 

 stamens about equaling the corolla, the filaments slender, the 

 light-yellow anthers about 1.25 mm. long, coherent in pairs, the 

 cells parallel, truncate at apex, cordate at base : ovary broadly 

 ovoid : style stoutish, 1 cm. long, the stigma dilated, concave : 

 disk of 3 oblong small glands. 



Mapiri, 2500 ft., May, 1886 (no. 2422). 



This species varies greatly from the genus in the form of its 

 stigma, more like that of Gesnera, and in the absence of two lobes 

 of the disk. 



Kohlerianthus Fritscliii (Rusby) Fritsch, Pflanzenfam., Nacht. 

 300. Yungas, 6000 ft., 1885 (no. 2438). 



Alloplectiis dichrons DC. Prod. 7 : 546 ? Mapiri, 2500 and 

 5000 ft., Apr. and May, 1886 (nos. 2484 and 2700). Both speci- 

 mens are very imperfect. They are the same as Spruce's no. 185, 

 placed under A. Patrisii in Herb. Kew. 



DIPLOLEGNON gen. nov. 



Calyx free, laterally compressed, gibbous, colored, 5 -parted, 

 the segments ample, unequal, entire, the margins of the lower re- 

 plicate. Corolla-tube cylindraceous, the base oblique, the mouth 

 slightly contracted, the limb very short, 2 of the lobes erect, 

 rounded, enclosing the other three, which form an inner cartilagin- 

 ous-thickened series, their apices strongly induplicate. Filaments 

 dilated below, monadelphous and adnate to the corolla at the base, 

 the anthers coherent in pairs, the cells parallel, distinct ; stamino- 

 dium not apparent. Disk of two large glands, the anterior some- 

 what smaller. Ovary superior, ovoid, the style shorter than the 

 corolla, stout, sigmoid-curved, the stigma large, strongly 2-lobed. 

 Sufifruticose, tomentose, the leaves opposite, nearly equal, the 



flowers fascicled in the axils. Plant having 

 tus y to which it is closelv related. 



A I lop L 



Name in allusion to the double rim or margin of the corolla. 



