OLACACE-E. (XIMENIA FAMILY.) 61 



2. STUARTIA, Catesb. 

 Sepals 5-6, silky, 1 - 2-bnicted. Petals 5-6, obovate, crenulate, silky. Sta- 

 mens united into a ring at the base, and adnate to the base of the petals. Ovary 

 5-celled, with two anatropous ovules in each cell. Styles 5, distinct or united. 

 Capsule ovoid, woody, 5-valved ; the cells 1 -2-seeded. — Shrubs, with alternate 

 leaves, and large white or cream-colored flowers on short axillary peduncles. 



§ 1. Stuartia. — Styles united : capsule globose : seech not margined . 



1. S. Virginica, Cav. Sepals 5, roundish; petals 5, round-obovate ; 

 leaves oval, tliin, serrulate, finely pubescent. (S. Malachodendron, L.) — Shady 

 woods, Florida to North Carolina, and westward. April and May. — Shrub 8°- 

 12° high. Flowers 2' -3' wide. Stamens purple. 



§ 2. Malachodendrobj. — Styles separate : capsule ovate, acuminate : seeds 



margined. 



2. S. pentagyna, L'Hcr. Sepals and petals 5-6, the latter obovate, with 

 jagged edges ; leaves oval, acute. — Mountains of Georgia and North Carolina. 

 May -July. — Shrub similar to the preceding, the leaves and flowers rather 

 larger, and longer stamens. 



Order 26. OLACACEiE. (Ximenia Family.) 



Trees or shrubs, with alternate entire petioled and exstipulate leaves, 

 and regular hypogynous perfect or polygamous flowers, in axillary ra- 

 cemes or corymbs. — Calyx truncate or 4 - 5-tDothed, persistent. Petals 

 4-5, distinct or partly united, valvate in the bud. Stamens mostly twice 

 as many as the petals, and inserted into their bases : anthers introrse. 

 Ovary 1 - 4-celled. Ovules few, anatropous. Style single, filiform. Fruit 

 drupaceous, often surrounded with the enlarged calyx, 1-celled, 1-seeded. 

 Embryo straight in the axis of fleshy albumen. 



1. XIMENIA, Plum. 



Calyx small, 4-toothed. Petals 4, united at the base, villous within. Sta- 

 mens 8. Ovary 4-celled. the cells .3-4-ovuled. Drupe baccate; not enclosed 

 in the calyx. — Thorny trees or shrubs. Leaves coriaceous. Flowers axillary, 

 single or corymbose. 



I. X. Americana, L. Smooth; leaves 2-3 together, oblong, obtuse, 

 short-petioled ; peduncles 2 -4-flowered, shorter than the leaves; petals thick, 

 lanceolate, spreading above, rusty-hairy within. — Key West. — Thorns stout, 

 ^' long. Leaves 2' long. Flowers small, yellow. Drupe yellow, roundish, as 

 large as a plum. Nut white, globose. 



Order 27. AURANTIACE^. (Orange Family.) 



The Orange, Lemon, and Lime (species of Citrus, L.) are com- 

 monly cultivated in the warmer parts of the Southern States, and the 

 6 



