240 PHANEROGAM I A. 



side. Leaflets 5 to 8 pairs, sometimes with and sometimes without a 

 terminal leaflet, oblong, or oblong-lanceolate, 3 or 4 inches in length, or 

 the lowermost lb to 2 inches in length, and from an inch to II inches 

 in breadth, slightly acuminate, entire or slightly repand, unequal at the 

 base, the upper side rounded, the lower oblique, often subcordate ; the 

 midrib above and the partial petiole (3 or 4 lines long) tomentulose; 

 the surface glabrous, except usually a bearded pubescence in the axils 

 of the primary veins underneath. Panicles compound, axillary, many- 

 flowered, thyrsoid, the flowers racemose on its spreading branches, most 

 frequently tetramerous. Pedicels extremely short. Calyx half a line 

 long, tomentulose, cupulate, 4-5-toothed. Corolla "white," 3 lines 

 long; the petals spatulate-linear, slightly pubescent externally, cohe- 

 rent with the stamineal tube to the middle, valvate in aestivation. 

 Stamineal tube nearly as long as the corolla, cylindrical, a little hairy 

 outside, its orifice minutely multicremdate, not setigerous. Anthers 8 

 in the tetramerous, 10 in the pentamerous flowers, sessile within the 

 orifice of the tube, oblong-linear, muticous. Hypogynous disk tubular, 

 between lageniform and urceolate, glabrous, sheathing the ovary and 

 the base of the style, its orifice minutely 8-10-crenulate. Ovary 

 ovoid, very villous, S-i-celled : style filiform, hairy below, as long as 

 the stamineal tube; the stigma dilated and disk-shaped. Ovules soli- 

 tary in each cell, amphitropous-ascending; the micropyle superior. 

 Immature fruit ovoid, 3-4-celled, probably baccate, 3-4-seeded, or by 

 abortion 1-2-seeded. 



From the character given by Jussieu, and the detailed description 

 reproduced by him from Forster's manuscript, I should have taken 

 this plant for the Trichilia alliacea of Forster, the Eartighsea Forsteri, 

 A. Juss.; were it not that the " interior nectary' (the tubular disk) 

 in that plant, is said by Forster to be villous, and the exterior, or sta- 

 mineal tube, according to Jussieu, has its crenatures setigerous. At 

 least Forster's plant (which came from an island in nearly the same 

 longitude, only three degrees farther south) must be a close congener 

 of ours, which appears to me to belong to Blume's genus Didymo- 

 chiton, notwithstanding the gamophyllous calyx, the rather shorter 

 tube of the disk, and the solitary ovules. 



Plate 20. — Didymochiton Richii : flowering branch, of the natural 

 size. Fig. 1. A flower. 2. Flower, with the calyx removed and 



