bt;rseraceyK. (torcii-'wood family.) G7 



sided ; filaments 4 - 5, densely villous below the middle, longer tlinn the style in 

 the sterile flowers, shorter in fertile ones. — Roeky banks, Florida and northward. 

 May and Jmie. — Shrub 4° -8° high. Leaflets 2' -4' long. Fruit I'wide. 



2. P. mollis, M. A. Curtis. "Lateral leaflets oval, the terminal ob- 

 ovate, witii an abrupt acute point, the under side, with the petioles, panicles, and 

 young branches, clothed with a soft whitish silky villus ; cymes compact, with 

 short branches ; style long ; filaments equalling the anthers." — Low country 

 of North and South Carolina (Curt/s). — Leaves smaller and more rigid than 

 in No. 1, the style twice as long. Stamens 4. 



3. P. Baldwinii, Ton-. & Gray. Leaves very small, glabrous ; leaflets 

 sessile, oval, obtuse, the terminal one cuneiform at the base ; flowers tetrandrous ; 

 style none. — East Florida. — Shrub 1° high, with numerous short and scraggy 

 branches. Leaflets 1' long. Flowers smaller thau in No. 1. 



Order 35. SIMARUBACEiE. (Quassia Family.) 



Trees or shrubs, with bitter milky juice, jiinnate oxstipulate alternate 

 and (lotlc'ss leaves, and regular liypogynous perfect or polygamous flowers. 

 — Caly.x 4 - 5-parted or 4 - 5-toothed, persistent. Petals 4-5, deciduous. 

 Stamens as many or twice as many as the petals, inserted on a lijpogy- 

 nous disk. Ovary composed of 4 - o distinct or united carpels, witli a sol- 

 itary anatrojious suspended ovule in each. Fruit drupaceous, 1-seeded. 

 Seeds with a membranaceous coat. Albumen none, lladiclc su2)erior, 

 included in the cotyledons. 



1. SIMAPvUBA, Aublet. Quassia. 



Flowers moncecious or dioecious. Calyx 4 - .5-toothcd. Petals 4 - .5, spread- 

 ing. Stamens 8- 10, with the filaments inserted on the back of a ciliate scale. 

 Ovaries 4-5, surrounded by 8-10 scale-Fike rudiments of stamens. Styles eon- 

 nivent ; the stigmas spreading. Drupes 1-5. — Trees. Leaves abniptly pin- 

 nate, with alternate and entire leaflets. Flowers small, greenish, in lateral and 

 terminal panicles. 



1. S. glauca, DC. Smooth throughout; flowers dioecious; stigmas .5, 

 subulate, spreading ; leaflets 4-8, alternate and opposite, coriaceous, obovate or 

 oblong, obtuse, paler beneath ; drupe oval, mostly solitary. — South Florida. — 

 A large tree. 



Order 30. BURSERACE^. (Torcii-^Vood Family.) 



Trees or shrubs, -with resinous juice, unequally pinnate or trifoliolate 

 commonly dotted leaves, and small regular flowers in a.xillary or terminal 

 racemes or panicles. — Calyx free from the 1 - 5-celled sessile ovary, 

 2 - 5-!obed, persistent. Petals 2 - o, alternate with the calyx-lobes, and 



