68 ANACARDIACE.dE. (CASHEW FAMILY.) 



inserted under an orbicular or annular disk 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, Jacquin. 



Flowers polygamous. Sterile Fl Calyx 3 - 5-parted. Petals 3-5, valvate 

 in the bud. Stamens G- 10. Disk crenulate. Fertile Fl. Calyx 3-parted. 

 Petals 3. Stamens 6. Ovary ovate, 3-ccllcd. Style short: stigma 3-lobcd. 

 Drupe oblong, 1-sceded ; the pericarp 3-valved. Cotyledons wrinkled. 



1 . B. gummifera, Jacquin. Leaves alternate, 3 - 9-foliolate, long-pcti- 

 oled, deciduous ; leaflets stalked, opposite, ovate, acuminate, entire, rounded or 

 slightly 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. Torcu-Wood. 



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

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

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

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

 ers panic-led, white. 



I. A. Floridana, Nutt. Smooth ; leaves pctioled, trifoliolate ; leaflets 

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

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

 l'-l.J' long, shining above. Flowers yellowish-white. 



Order 37. ANACARDIACE/E. (Cashew Family.) 



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

 less haves, and perfect or polygamous regular (lowers. — Sepals ami 

 petals 4-5, imbricated in the bud. Stamens as main as the petals, or 

 twice as many, and inserted with them into the base of the calyx. ( >v,irv 



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

 simple or ."-cleft. Fruit drupaceous. Seeds without albumen. Radicle 

 cun ed. 



1. RHUS, L. Sumach. 



CaljTC 5-parted. Petals 5, inserted with the ."> stamens on the disk which sur- 

 rounds tin- base of the ovary. Stigmas 3. Drupe dry, Radicle superior, in- 

 curved, — Shrubs or small trees. Leaves pinnate or trifoliolate, rarely simple 

 Flowers small, greenish, in spikes or panicli i. 



