68 ANACARDIACK.K. (CASHEW FAMILY.) 



inserted under an orbicular or annular disjt at the bottom of the calyx, 

 mostly valvate in the bud. Stamens twice as many as the petals, and in- 

 serted with them . anthers introrse. Ovules anatropous, pendulous, 

 mostly tWO in each cell. Stigmas 1 -5. Fruit drupaceous, dry; the peri- 

 carp often splitting into valves. Albumen none. Radicle superior. 



1. BURSERA, Jttcauin. 



Flowers polygamous. Sterile Ft Calyx 3-5-partcd. Petals 3-5, valvate 

 in the bud. Stamens 6- 10. Disk crenulatc. Fertile FL Calyx 3-parted. 

 Petals :!. Stamens 6. Ovary ovate, 3-celled. Style short: stigma 3-lobed. 

 Drupe oblong, 1-seedcd ; the pericarp 3-valvcd. Cotyledons wrinkled. 



1. B. gummifera, Jacquin. Leaves alternate, 3 - 9-foliolatc, long-peti- 

 olcd, deciduous ; leaflets stalked, opposite, ovate, aeuniinatc, entire, rounded or 

 Blightly cordate at the base, at Length smooth on both sides ; flowers small, 

 whitish, in axillary racemes ; drupe purplish. — South Florida. — A large tree. 



2. AMYRIS, L. Touch-Wood. 



Flowers perfect. Calyx 4-parted. Fetals 4, narrowed at the base, imbricated 

 in the hud. Stamens 8, shorter than the petals, hypogynous. Ovary 1 -celled. 

 Stigma capitate. Drupe globose, 1 -seeded. Cotyledons plano-convex, — r Trees 

 or shrubs. Leaves 3 - 7-foliolate, opposite, with glandular pellucid dots. Flow- 

 ers panicled, white. 



1. A. Floridana, Nutt. Smooth; leaves petiOled, trifoliolate ; leaflets 

 ovate, obtuse, entire, on slender stalks ; branches of the panicle opposite ; drupe, 

 like the (lowers, dotted. — South Florida. — A shrub or small tree. Leaflets 

 1 ' - 1 1' long, shining ahovc Flowers yellowish-white. 



Okdku ,.°>7. ANACARDIACE7E. (Cashew- Family.) 



Trees or shrubs, with milky or resinous juice, alternate exstipulate dot- 

 K - Leaves, and perfect or polygamous regular flowers. — Sepals and 

 petals I - 5, imbricated in the bud. Stamens as many as the petals, or 

 twice as many, and inserted with them into the base of the calyx. Ovary 

 solitary, with a single ovule ascending from the base of the cell. Style 

 simple or ;;-clct't. Fruit drupaceous. Seeds without albumen. Radicle 

 curved. 



1. RHUS, k Sumach. 



Calyx 5-parted. Petals ■">. inserted with the 5 stamens on the disk which sur- 

 roands the base of the ovary. Stigmas •'?. Drupe dry. Radicle superior, in- 

 curved. — Bhrubfl or small trees. Leave- pinnate or trifoliolate, rarely simple 

 Flowers small, greenish, in spikes or panicles. 



