XXVIII. ANACARDIACEiE 
103 
XXVIII. ANACARDIACE^E 
Shrubs or trees ; the bark often abounding in gum or acrid juice. 
Leaves alternate, pinnate or simple, crowded towards the end of 
branches ; stipules none. Flowers small, regular, 2- or 1 -sexual, 
sometimes polygamous, in panicles or racemes. Calyx 4- or 5- 
parted, persistent. Petals 4, 5 or none, longer than the calyx, 
free, imbricate. Disk ring-shaped, often lobed, sometimes wanting 
in the female flowers. Stamens 5-8, none or rudimentary in 
the female flowers ; filaments free, sometimes very short ; anthers 
2 -celled, usually versatile. Ovary sessile, ovoid, rudimentary in 
the male flowers, 1 -celled ; styles usually 3 or 4 ; ovule solitary. 
Drupe nearly dry ; stones hard, 1 -seeded. — Name from the Greek 
ana, similar, and cardia, a heart ; referring to the thick heart- 
shaped stalk of the Cashew nut, Anacardium occidentale. 
The Mango tree belongs to this Order ; it is cultivated in the lower hills up 
to 3000 ft. 
Petals pale purple or yellow-green. 
Petals 5. Stamens 5 . . . . . .1. Rhus. 
Petals 4. Stamens 8 . . . . . .3. Odina . 
Petals none. Anthers large, deep red . . . ■ . .2. Pistacia. 
1. RHUS. From rous , the classical name of R. Cotinus .- — 
Temperate regions, rarer in the tropics. 
Trees or shrubs ; juice usually acrid. Leaves simple or odd- 
pinnate, turning red in the autumn before they fall ; leaflets 
opposite, entire or toothed. Flowers polygamous, usually very 
small, but conspicuous by their number, forming large, dense 
panicles ; male and female often on different trees. Calyx 
5-parted, much shorter than the petals. Petals 5, equal, spread- 
ing. Stamens 5. Styles 3, short. Drupe small, more or less 
flattened ; seed often oily. 
Leaves simple . 
Leaves compound. 
Leaves of 3 leaflets . 
Leaves pinnate ; leaflets 7-1 8. 
Leaflets toothed ; leafstalk winged 
Leaflets entire 1 ; leafstalk not winged. 
Leaves glabrous. 
Leaflets sessile. Drupes tomentose 
Leaflets stalked. Drupes glabrous 
Leaves tomentose . . . . 
1. R. Cotinus. 
2. R. parviflora. 
3. R. semialata. 
4. R. punjabensis. 
6. R. succedanea. 
5. R. Wallichii. 
1 In R. punjabensis the leaflets sometimes have a few irregular, distant 
teeth. 
