146 CONTRIBUTIONS TO 



long. The corolla is white, 2^ in. long, 1 in. broad in the 

 mouth, and 2 in. across the border : the tube is slender at 

 base, for about half an inch, when it suddenly swells into a 

 long and somewhat campanular form, marked with many 

 longitudinal veins : the border is obtusely 5-lobed, and 

 erenulated on the margin, in aestivation it is deeply plicated, 

 the inflected portion being externally covered with soft down, 

 which soon entirely disappears ; the stamens are the length 

 of the corolla, the filaments are fixed near the base in the 

 contraction of the tube, which is the only part that is 

 pubescent, they are dilated at the base, and ciliated, but are 

 tapering and glabrous upwards, two of them are somewhat 

 shorter than the others, the anthers are ovate, 2-lobed, some- 

 what cordate at base, where they are fixed in the sinus to the 

 apex of the filament. The pollen grains are globular, obsoletely 

 3-gonous, or rather having 3 indistinct mammiform projections 

 at equidistant points, with alternating converging lines. 

 The ovarium is slightly stipitate, obovate, sericeous, 2-celled, 

 with 8 ovules in each cell, arising from the base of the disse- 

 piment, and affixed in 2 series near 2 elevated parallel nerves 

 that extend from the base to the apex of the dissepiment. 

 The style is slender, glabrous, as long as the corolla, the 

 stigma is bilamellated, consisting of two short fleshy lobes, 

 with reflected margins, the inner faces being glutinous and 

 subpapillose. The capsule is 1J in. long, 4 lines diameter, 

 supported by the persistent calyx, the valves are thick and 

 coriaceous, each being divided half way down the middle ; 

 the dissepiment contracts and becomes free as the seeds 

 ripen, sometimes only two or four of which are perfected 

 in each cell, the entire number being seldom matured. The 

 seeds are linear, winged, with a dorsal keel, which is sometimes 

 double; the endopleura adheres to the lining of the cell, 

 which is filled by the albumen : this is cylindrical, 9 lines 

 long, | line broad, straight, thin, and fleshy, and encloses an 

 embryo of the same form, with semiterete cotyledons 

 of similar thickness, and about the length of the inferior 

 radicle.* 



* A figure of this species, exhibiting ample sectional details is given & 

 Plate 14 of the " Illustrations of South American Plants." 



