70 EUTACEAE. 



2. KALLSTROEMIA Scop. Herbs resembling Tribulus. Sepals 5, per- 

 sistent. Petals yellow or red. Filaments unappendaged. Fruit uneven or 

 tuberculate. 



1. K. maxima (L.) T. & G. Branches prostrate or procumbent, 2-6 dm. long 

 or longer, appressed-pubescent and often somewhat hirsute : leaflets usually 6-8, 

 the blades of the terminal pair 9-18 mm. long, oblong or oval, often curved: 

 sepals lanceolate, 3-4 mm. long: petals obovate, 6-8 mm. long: fruit 7-10 mm. 

 long, the conic beak slightly longer than the body, the carpels tuberculate and 

 cross-ridged. (Bah., Cuba, Ant.} CALTROP. 



3. GUAIACUM L. Shrubs or trees. Leaves relatively large, persistent, 

 the leaflets but little longer than wide. Sepals 5 or rarely 4, unequal. Petals 

 blue or purple. Filaments unappendaged. Fruit angled or winged. 



1. G. sanctum L. Shrub or tree, sometimes 10 m. tall, the bark pale: leaves 

 5-10 cm. long; leaflets 6-10, the blades broadly oblong to obovate, 2-3.5 cm. 

 long: sepals obovate to oblong-obovate, 6-7 mm. long: corolla 2-2.5 cm. wide; 

 petals broadly obovate: fruit obovoid, 15-17 mm. long, orange or greenish- 

 yellow. Hammocks, U. keys, L. keys. (Bah., Cuba, Ant.) LIGNUM-VITAE. 



FAMILY 4. MALPIGHIACEAE. MALPIGHIA FAMILY. 



Shrubs or trees, or partially woody herbs or vines. Leaves opposite : 

 blades simple. Flowers usually perfect, sometimes cleistogamous. Calyx 

 of 5, often gland-bearing, sepals. Corolla of 5 usually clawed petals, or 

 wanting. Androecium of 5-10 perfect or partially sterile stamens. Gynoe- 

 cium of 2-4, usually 3, distinct or united carpels. Fruit drupaceous, 

 capsular, or nut-like. 



1. BYRSONIMA L. C. Eich. Shrubs or trees. Flowers in terminal 

 racemes or panicles. Petals white, reddish, or purplish, reflexed. Stigmas 

 acute. Carpels permanently united. 



1. B. lucida (Sw.) DC. Evergreen shrub, 3-18 dm. tall, or a small tree: leaf- 

 blades spatulate to obovate- spatulate, 2-4 cm. long, lustrous above: racemes 

 2-4 cm. long: petals white, turning yellow or rose, 7 mm. long, the blades 

 reniform: drupes 9-12 mm. in diameter or rarely smaller. Hammocks and 

 low pinelands, U. keys, L. keys. [E. K.] (Bah., Cuba, Ant.) LOCUSTBERRY. 



FAMILY 5. EUTACEAE. RUE FAMILY. 



Shrubs or trees, or rarely herbs, often prickle-armed, and with 

 glandular-punctate tissues. Leaves alternate or opposite: blades simple 

 or pinnately compound, sometimes 1-foliolate. Flowers perfect or poly- 

 gamous, mostly regular. Calyx of 3-5, or rarely more, sepals, or wanting. 

 Corolla of 3-5, or rarely more, petals. Androecium of as many stamens 

 as there are sepals or petals or rarely twice as many. Gynoecium of 2-5 

 distinct or united carpels. Fruit capsular, samaroid, drupaceous, or 

 baccate. 



Fruit dry, capsular or follicular. 1. ZANTHOXYLUM. 

 Fruit fleshy, drupaceous or baccate. 



Fruit a drupe : ovary 1-celled. 2. AMYRIS. 

 Fruit a berry : ovary 2-many-celled. 



Stamens 8 or 10 : carpels 1-ovuled. 3. GLYCOSMIS. 



Stamens 20 or more : carpels several-ovuled. 4. CITRUS. 



