63 



Flowers in axillary more or less umhel-Uke peduncled or sessile racemes, rarely the 

 racemes spuriously terminal ; i. e. arising from the summit of the hranchlets 

 beside the leaf. 

 Glabrous ; inflorescence robust ; calyx-lobes rounded, 2 lin. long ; corollalobes 4 Hn. 



long, A. humilis. 



AEGICERAS, Only species, A. corniculata. 



SAPOTACEJE. 



Cons2}ectus of genera. 



* Calyx-and coroUa-lobea of the same number. 



Chtsophtilum. Flowers 5-8-meroas. Stamens as many. Staminodea none. Ovary-cells as many as oalyx-lobes. 

 SiDEBOXYLON. Flowers 5-merous. Stamens 5. Staminodes 5. Ovary-cells 5, or by abortion fewer. 

 AcHRAS. Flowers 6-merous. Stamens 6. Staminodes 6. Ovary-cells twice as many as calyx-lobes. 

 IsoNANDKA. Flo^rs 4-or 6-merous. Stamens twice as many as lobes, in a single row. Ovary-cells as many as 

 calyx-lobes. 



* * Calyx-and corolla-lobes of nneqnal nnmber, the latter usually a multiple of the calyx-lobes. 



O Ovary-cells twice as many as calyx-lobes, 

 Bassia. Calyx-lobes 4 or 6. Corolla-lobes 8-14. Stamens about 2 or 3 times as many as corolla-lobes, in 1-3 rows. 

 Ko staminodes. 



O Ovary-cells as many as calyx-lobes. 

 Patena. Calyx-lobes 4 or 6. Corolla-lobes 8 or 12. Stamens twice as many as corolla-lobes, in 2 rows. No 



staminodes. 

 MiMUSoPS. Calyx-lobes 6 or 8 ; coroUa-lobes 2 or 3 times as many as calyx-lobes. Stamens 6 or 8. Staminodes as 

 many. 



J 



CHRYSOPHYLlUmi.-Only species, Ch. Eoxburghii. 



ACHRAS. Only species, ,,...,. A. Sapota. 



SIOEROXYLON. 



* Calyx-lobes acuminate or acute. Young shoots and leaves beneath more or less villous- 



totnentose. 



Unarmed or armed ; calyx-lobes acuminate, S. tomentosum. 



* * Calyx-lobcs rounded or blunt. 



Glabrous ; leaves chartaceous S. grandifolium. 



Younger parts coppery or rusty silky-hairy ; leaves coriaceous, S. attenuatum. 



ISONANDRA. 



* Calyx 4:-lobed, the lobes decussate. 



Leaves chartaceous, strongly nerved /. coloneura. 



* * Calyx ^-parted, the 3 otder lobes valvate. 



Leaves coriaceous, with obsolete nerves, glaucous beneath ; filaments as long as the anthers 

 densely villous, ._ J . polyaniha. 



Leaves coriaceous, with strong parallel nerves, glaucous beneath ; filaments long and 

 slender, glabrous, J, obovata. 



BASSIA. 



Anthers aristafe, enclosed. 



Corolla-lobes only I so long as the tube ; anthers on very short filaments or almost sessile, in 



3 rows, Berries obovate-oblong, B. latifolia. 



Corolla-lobes as long as the tube ; anthers almost sessile, in 2 rows, B. villosa. 



Anthers blunt, exserted. 



Corolla-lobes as long "as the tube ; anthers on long slender filaments, in a single row at the 

 throat ; berries ovate, acuminate, B. butyracea, 



PAYENA. 



* Calyx 6-parted ; corolla-lobes and stamens twice as many as calyx-lobes. 



Filaments very short, villous ; anthers glabrous, mucronate-acuminate P. Griffithii. 



* * Calyx 4-parted; corolla-lobes and stnmem twice as many. (Anthers glabrous.) 

 Connective produced in a broad blunt beak ; sepals blunt or nearly so ; nerves somewhat 



irregular ; petioles about |-^ inch long, p ludda. 



Connective terminating in a bristle ; sepals acute ; nerves thin, parallel ; petioles about an 

 inch long, slender p. paralkloneura. 



