ROSACEA. ir7\ 



a complete ring ; filaments unequal connate at base, opposite to, larger 

 but not longer than sepals; anthers oblong. Ovary 1 -celled; ovules 

 solitary? Drupe obovate-globose, constricted at base, shortly 3- 

 quetrous ; putamen coriaceous, very thickly hirsute within. Seed 

 erect, sulcate on ventral surface ; testa coriaceous. — Trees or shrubs ; 

 leaves costinerved ; thyrsus racemiform ; flowers articulated witli 

 very short bracteate pedicel." (Borneo, Sumatra.) See p. 425. 



65. Acioa Aubl. — Mowers hermaphrodite (of Couepia). Sepals 

 and petals 5, imbricated. Stamens oo ; fertile 10-co ; filaments con- 

 nate into a long narrow strap circinate in the bud, free at apex ; 

 sterile stamens also 1 -sided antherless, connate into a dentate 

 crown simulating a disk. Gynseceum of Couepia; ovary 2- ovulate; 

 style slender, circinate in aestivation. Drupe of very variable form ; 

 mesocarp fleshy or coriaceous ; endocarp woody i -seeded, usually 

 pilose inside. Seed of Couepia ; cotyledons plano-convex fleshy or 

 conferruminate. — Trees or shrubs erect or climbing ; leaves alternate 

 simple coriaceous ; stipules deciduous ; flowers in axillary or terminal 

 simple or compound racemes ; bracts usually glandular-dentate. 

 {Guiana, West of tropical Africa.) See p. 425. 



66. Parastemon A. DC. — Flowers polygamo-dioecious ; receptacle 

 short, cyathiform or campanulate. Sepals 5, 6, imbricated. Stamens 

 2, fertile perigynous 1 -sided ; filaments circinate in aestivation ; 

 anthers introrse rimose. Gynseceum in male flower rudimentary, 

 in female? .... Flowers coriaceous 1 -celled 1 -seeded. Seed erect ; 

 testa thin pubescent ; embryo erect fleshy ; radicle inferior. — A 

 shrub ; leaves alternate simple coriaceous persistent ; flowers race- 

 mose axillary and terminal. {Malay Archipelago^ See p. 426. 



