436 XLV. AtfACARDIACEvE (OLIVER,). 



Ovary 1-celled (Anacardiea). 



Leaves simple or 3-foliolate (in African species). Petals im- 

 bricate, 4-6. Styles 3, free or connate 1. Rhus. 



Leaves pinnate. Petals valvate or subvalvate. Ovule sus- 

 pended near middle of cell 2. Sorindeia. 



Leaves simple. Antheriferous stamens 1 or 2. Style 1 . . 3. Mangipera. 



Leaves simple. Stamens 10, few or all antheriferous. Style 1 4. Anacarpii'M (cult.). 



Leaves pinnate. Flowers 3-merous. Petals imbricate. . . 5. Hjematostaphis. 



Leaves pinnate. Flowers 4-5-merous. Petals valvate . . 6. Trichoscypha. 



Leaves pinuate. Flowers 4-5-merous, racemose. Petals im- 

 bricate 7- Odina. 



Ovary 2-5-celled (Spondied). 



Leaves pinnate. Stamens 8-10. Styles 4-5 8. SpondiaS. 



Leaves pinnate. Stamens 12-24 9. Sclerocarya. 



Leaves pinnate. Stamens 8-10. Style short with 3-lobed 

 stigma 10. Hitzerta. 



Leaves 3-foliolate. Stamens 8 11. Lanneoma. 



1. KHT7S, Linn. ; Benth. et Hook. f. Gen. PI. i. 418. 



Flowers small, regular, polygamous. Calyx 4-6-partite, persistent ; seg- 

 ments equal. Petals as many, spreading or erect, imbricate in aestivation. 

 Stamens as many and alternate with the petals or 10, free, inserted in the 

 annular disk ; filaments subulate ; anthers in the female flower usually rudi- 

 mentary. Ovary sessile, globose or ovoid. Styles 3, free or connate, erect or 

 appressed to the ovary. Ovule suspended from a basal funicle. Drupe usually 

 small, dry or resinous. — Trees or shrubs, often abounding in resin. Leaves 

 simple or 3-foliolate in the tropical African species, alternate or rarely op- 

 posite or verticillate. Panicles axillary and terminal, usually many-flowered. 



A large genus of both hemispheres, with numerous (about 50) species at the Cape, 

 but three of the following species appear to be peculiar to tropical Africa. 

 Leaves simple. 



Leaves alternate, 4-10 in . . 1. R. fulchemma. 



Leaves snbternate, 2-5 in 2. R- insignis- 



Leaves 3-foliolate. 



Leaves glabrous or finely puberulous. 



Leaflets obtuse 3. R, glaucescens. 



Leaflets oval or linear-lanceolate, acuminate or acute, lateral 



petiolulate. Panicles rather lax 4. R. retinorrhaa- 



Leaflets oval, acute or obtuse, not acuminate, lateral subsessile. 



Panicles short, rather dense or glomerate 5. .ft. glutinosa. 



Leaflets elongate, linear (3-6 in.), subobtuse, mucronate . . 6. R. viminalis. 

 Leaves tomentose or pubescent beneath. 



Leaflets oval or oblanceolate, obtuse or acute, pubescent and not . . 



reticulate above. Panicles shorter than leaves 7- R- abyssmica- 



Leaflets obovate, broadly rounded or apiculate, glabrous or gla- 



brescent and minutely reticulate above 8. ft. villow. 



Leaflets oval, acute, on short broadish petioles. Panicle terminal, 

 rigid, exceeding the leaves, with sessile flowers on the short 

 interrupted lateral ramuli 9. R. Kirkn- 



1. R. pulcherrima, Oliv. Young shoots pubescent-hoary ***? 

 glabrous. Leaves ample, simple, alternate, oblong-elliptical or broadly oo- 

 long, obtuse or retuse, mucronate, glabrous or, at least at first, rovmn ei y 



