56 SIMAEOUBACEAE. 



1. C. vulgaris Eisso. Thorny shrub or small tree: leaflets ovate to oblong, 

 6-12 cm. long, often acuminate, the petioles usually broadly winged: flowers in 

 small cymes: sepals often obtusish: berries dark-orange or reddish, the rind 

 thick, the pulp sour and bitter. BITTER-SWEET ORANGE. 



Woods and hammocks, pen. Fla. and the Keys. (W. I.) 



2. O. Aurantium L. Thorny shrub or small tree: leaflets oval, oblong- 

 ovate, or ovate, 6.5-13 cm. long, often acute or rounded, the petioles usually 

 narrowly winged: flowers in axillary clusters: sepals often acute: berries 

 mostly yellow, the rind usually thin, the pulp sour or sweet. SWEET-ORANGE. 



Woods and hammocks, pen. Pla. and the Keys. (W. I.) 



3. C. Lima Lunan. Small tree or straggling shrub, with numerous sharp 

 thorns: leaflets oval to oblong-elliptic, 6.5-9 cm. long, commonly rounded at 

 the apex, crenulate: petioles narrowly winged: flowers in clusters of 3-10: 

 petals white without and within: berries small, mostly less than 6 cm. long, the 

 rind very thin, the pulp greenish. LIME. 



Woods, thickets and hammocks, pen. Fla. and the Keys. (W. I.) 



4. C. Limonum (L.) Eisso. Small tree or spreading shrub, less thorny than 

 C. Lima: leaflets oblong-elliptic or ovate-oval, 5-11 cm. long, commonly acute 

 or acuminate at the apex, crenate: petioles broadly winged: flowers solitary or 

 2 together : petals purplish without, white within : berries large, mostly over 6 cm. 

 long, the rind relatively thin, the pulp yellowish. LEMON. 



Woods and hammocks, pen. Fla. and the Keys. (W. I.) 



5. C. Medica L. Small tree or shrub, sometimes with stout thorns: leaflets 

 oblong to elliptic, or slightly broadened upward, 12-20 cm. long, rounded and 

 often emarginate at the apex, serrulate-crenate, dull-green: flowers in clusters 

 of 3-10: petals purple-tinged without, white within: berries oblong or oval, 

 usually very large, mostly 12-20 cm. long, often coarsely wrinkled, the rind 

 very thick. CITRON. 



Hammocks and woods, pen. Fla. and the Keys. (IF. 7.) 



FAMILY 4. SURIANACEAE. BAY-CEDAR FAMILY. 



Shrubs or trees of coastal sands. Leaves alternate: blades entire. 

 Flowers perfect, solitary, or few in terminal clusters. Calyx of 5 per- 

 sistent sepals. Corolla of 5 clawed petals. Androecium of 10 stamens, 

 those opposite the petals more or less reduced. Gynoecium of 5 distinct 

 carpels opposite the petals. Ovules 2, side by side. Fruit achene-like. 



1. SUBIANA [Plum.] L. Shrubs with erect stems or trees with wide- 

 spreading branches, the bark flaky. Leaves numerous, fleshy. Fruits seated in 

 the persistent calyx. 



1. S. maritima L. Shrub or tree 8 dm. tall, the wood very hard and heavy: 

 leaves fleshy, appressed-pubescent, approximate; blades linear-spatulate, 1.5-4 

 cm. long: sepals ovate, 6-8 mm. long: petals yellow, about as long as the sepals: 

 mature carpels 4-4.5 mm. long. BAY-CEDAR. 



Sand-dunes and coastal hammocks, s. pen. Fla. and the F. Keys. (W. I.) 



FAMILY 5. SIMAROUBACEAE. QUASSIA FAMILY. 



Shrubs, trees, or rarely herbs. Leaves alternate or rarely opposite: 

 blades pinnately compound, 1-3-foliolate or rarely simple. Flowers polyg- 

 amous, deciduous, or rarely perfect, solitary, spicate, racemose or panicu- 

 late. Calyx of 3-5 sepals. Corolla of 3-5 petals or wanting. Androecium 

 of as many stamens as there are sepals or twice as many, or rarely very 



