EUPHOEBTACEAE. 67 



1. M. Azedarach L. Tree becoming 15 m. tall (in M. Asedarach umhracu- 

 lifera with an umbrella-like top) : leaflets numerous; blades herbaceous, 3-7 

 cm. long, incised-serrate or lobed: petals about 1 cm. long: drupes subglobose, 

 1.5-2 cm. in diameter. — Spr. 



The China-tree, a native of eastern Asia, grows nearly throughout Florida. The 

 brown-streaked heart-wood Is rather coarse-grained, but hard and durable. Also 

 known as China-berry. (Cunt., W. I.) 



2. SWIETENIA Jacq. Trees with dark-red wood. Leaf-blades equally 

 once pinnate. Sej)als 5. Petals 5. Staminal tube short, the lobes entire. 

 Anthers oval or globular. Stigma discoid. Capsule woody. 



1. S. Mahagoni Jacq. Tree becoming 25 m. tall: leaflets 4-8; blades leathery, 

 3-8 cm. long, entire: petals usually 3-4 mm, long: capsules ovoid, 12 cm. long 

 or less, — Sum. 



The Mahogany grows in hammocks on the Everglade Keys and the Florida 

 Keys, and at the southern tip of the peninsula. The red-brown heart-wood is close- 

 grained, heavy, very hard, durable, and strong.' Also known as Madeira-redwood, 

 nr. 7.) 



Order 16, EUPHORBIALES, 



Herbs, shrubs, or trees. Leaves various, sometimes reduced to scales 

 or almost wanting. Flowers mainly monoecious or dioecious, regular. 

 Calyx of several sepals. Corolla of several petals, or often wanting, 

 Androecium of more than one stamen, except when the staminate flowers 

 are scattered over the inside of an involucre. Filaments distinct or united. 

 Anthers opening by longitudinal or transverse valves. Gynoecium 2-sev- 

 eral-earpellary or 1-carpellary, superior. Styles or stigmas usually dis- 

 tinct and cleft, or foliaceous. Ovules 1, 2 or 3 in each cavity. Fruit 

 capsular, sometimes achene-like, drupaceous or baccate. Seeds often 

 carunculate. 



Family 1. EUPHORBIACEAE, Spurge Family, 



Herbs, shrubs, or trees, often with milky sap. Leaves opposite, 

 whorled, or alternate: blades simple and entire, toothed or lobed, or com- 

 pound. Flowers monoecious or dioecious, solitary or variously clustered, 

 or much reduced and in an involucre {Euphorbia and related genera). 

 Calyx of 2-several sepals or obsolete. Corolla of 2-several petals or 

 wanting. Androecium of few-many stamens. Fruit usually depressed 

 or slightly elongate. 



Ovules, and seeds, 2 in each ovary-cavity. 



Stamens 5 : corolla present. 1 Savia. 



Stamens 2 or 3 : corolla wanting. 



Plants monoecious : ovary 3-celled : fruit baccate. 2. Cicca. 



Plants dioecious : ovary 1-2-celled : fruit drupaceous. 3. Dkypetes. 



Ovules, and seeds, solitary in each ovary-cavity. 

 Stamens 1-5 : leaf-l)lades not peltate. 

 Styles 2 or 3 : ovary 2- or 3-celIed. 



Pistillate flowers long-pedicelled : styles distinct or 



nearly so. 

 Pistillate flowers sessile : styles united. 4. GTir.N'ANTnES. 



Capsules fleshy : styles long : stigmas linear. o. Triadica. 



Capsules dry : style short : stigmas subulate. 6. Sapium. 



Styles 0-8 : ovary 6-8-celled. 7. Hippomaxe. 



Stamens numerous : leaf-blades peltate. 8. RiciNus. 



1, SAVIA Willd. Shrubs or trees. Leaves alternate : blades thick, entire. 

 Flowers dioecious; the staminate densely clustered, with 5 broad rounded sepals 



