Rhus. | ANACARDIACEAE. 89 
OrperR XXIV. ANACARDIACEAE. 
Flowers partially or wholly unisexual, or more rarely hermaphrodite. 
Sepals 5, or rarely 3, 4, or 7, more or less united and usually very smal 
e m 
hypogynous disk, rarely wanting. Stamens as many or twice as many. 
Ovary superior, 1—5-celled, with 1 or 2 ovules in each cell. Styles 3—5, 
usually distinct. Fruit usually a drupe, 1-celled, with the single seed 
either ascending or pendulous. Albumen none. Radicle usually next the 
hilum; cotyledons thick and fleshy. — Trees or shrubs, sometimes climbers, 
usually with a caustic, resinous, gummy or milky juice. Leaves alternate, 
usually pinnate, sometimes simple, not dotted, without stipules. Flowers 
— paniculate. 
arge Order, distributed over the warmer and temperate regions of the globe. 
vB belong the sigy able cultivated trees: Mangifera Indica, the Mango, with 3 va- 
rieties, very common, Spondias dulcis, the Wi fruit from Tahiti, Anacardium iro tbbag 
the Cashew nut, and the Seebes tree, Schinus molle, from S$. Am 
1. RHUS, L. 
Sepals and petals 5 (46), imbricate. Stamens 5 (4—-6) or 10. Ovary 
1-celled, with 2 or 3 short styles or stigmas. Ovule 1, suspended from an 
erect filiform funis. Drupe small, oblique, see very little juice, or nearly 
icle short, curved against the edge of the flat cotyledons, — 
Tete or ace Leaves impari- pinnate, jena simple. Flowers 
polygamous or dioecious. 
A considerable genus with n f the Order, } t abund 
in subtropical and temperate regions, chiefly ‘in$ Africa. Two more idem species 
grow in the Viti and Society Islds. eral Sumachs are poisonous, even to the touch, 
others are used for tanning and pal ads i some Japanese species furni my the varnish 
for the much prized lacquer ware of th ountry. One of the latter, R. vernix or R 
succedaneum, has been introduced into the Islands. 
2. BK alata, Murray. — DC. Prod. II, 67. — Var. Sandwicensis, 
earn in ee Cand. Monogr. IV, 380. — A small tree, sips ft. high, 
which sends up numerous shoots fon the roots and thus forms dense 
clumps of often great extent. Branches ferruginous at the ends. Leaves 
impari-pinnate, with 2—6 pairs of leaflets; the rhachis 4—12‘ in 
‘terete, not margined, Agora in the lower third or fourth; the leafieks 
ovatesiblond, 3—6/ Li f/s—3', 
serrate, 
cuneate, chartaceous, with prominent straight veins, dark-green above, 
tomentulose underneath. Panicle terminal, 6—12‘ long, rusty-tomentose, 
very dense, branching from the base; the aes less than '/2, Flowers 
apparently dioecious, nines in diameter. Calyx '/2‘’, deeply 5-cleft, tomentose. 
Petals 5, 1 or more, obovate, reflexed, pale yeltowinh, glabrous or ciliate. 
Anthers 5, ovoid, obtuse, emarginate at the base, on very short filaments, 
