72 ORDER 3G.-ANACARDIACE,. 



8 Leaves abruptly pinnate. Flowers dioecious. .Styles united. Fruit baccate SIMIKCBA. 1 



Leaves odd-pinnate. Flowers polygamous. Styles distinct. Fruit a samara AII-AXTHCTS. * 



1. SIMARUBA, Aubl. QUASSIA. (Its name in Guiana ) 5 ^ 



S. glauca DC. Leaflets 4 S. alternate, entire, obtuse, coriaceous. S. Fla. Tree, 40f 



2. AILANTHUS, Dcsf. CHINESE " TKEE-OF-HEAVEN." (Atlanta, its 

 name in China.) 2 3 $ Sep. 5. Pet, 5. ? Stam. 2 8. Ov. 3 o. Sty. 

 lateral. Fr. 1-cellccl, 1 -seeded samane, with oblong margins. $ Stain. 10. 



$ Ovaries, styles, and samara? as in . ^ +3 Oriental, with odd-pinnate 

 leaves. Flowers in panicles. 

 A. GLANixjJ.osus Def. Lfts. glabrous, dl 41, ovate or oblong-lanceolate, acuminate, 



with 1 or 2 obtuse, glandular teeth each tide at base, terminal one long-petiolate. 



Parks, &c. 40 GOf. Flowers greenish, ill-scented. June. 



ORDER XXXV. BURSERACE.E. BURSERTDS. 



Trees and shrubs abounding in balsam or resin, with cxstipulatc, com- 

 pound, dotted leaves, and small, regular, racemed or panicled flowers. 

 Calyx 3-5-cleft Petals 3 5. Stamens twice as many. Ocariex free, 1-5- 

 celled. Stigmas 2-5-lobed, ovules 2 in each cell. Fruit drupaceous, indc- 

 hiscent, rarely capsular. Seeds pendulous, cxalbuminous. 



* Flowers perfect, 4-pnrted. Stamens 8, hypojrynous. Leaves opposite AMTRIS. 1 



Flowers polygamous, 4 and 6-parted. Stamens 8 10; disk crenate. Leaves alternate BCRSKRA. 2 



1. AMYRIS, L. BALM-OF-GILEAD. (Mvppa, myrrh; from its per- 

 fumed gum.) J) J) Flowers in panicles, white. 



A. Florldana N. Torch-trood. Shrub ; hs. opposite, trifoliate, on Hhort petioles , 

 Ifte. ovate, obtuse, entire, pctiolulate ; drupes small, globular. E. Fla. 



2. BURSERA, L. (To Joachin Burner, an Italian botanist.) *> 



B. ffiimmifera Jacq. Lftg. 39, petiolnlate, ovate, acum., entire ; fls. racemed. Fla. 



OHDEH XXXVI. ANACARDIACE^. SUMACS. 



Trees or shrubs with a resinous, gummy, caustic, or even milky juice. 

 Leave* alternate, simple, or ternate, or unequally pinnate, without pellucid 

 dots. Flowers with bracts, commonly dioecious, small. Sepals 3 5, united 

 nt base, persistent. Petals of the same number (sometimes 0), imbricated. 

 Stamens as many as petals, alternate with them, perigynous. Ovary 1- 

 celled, free. Ovule 1. Stigmas 3. Fruit a berry or drupe, usually the 

 latter, and 1 -seeded. Albumen, 0. 



RHUS, L. SUMAC. (The ancient name, from Celtic, rhudd, red?) 

 Calyx of 5 sepals united at base. Pet. -and stem. 5. Sty. 3. Stig. capi- 

 tate. Fruit a small, 1-sceded, subglobous, dry drupe. Small trees or 

 shrubs. Leaves alternate, mostly compound. Flowers often, by abor- 

 tion, imperfect, greenish. 



