84 CELASTRACEAE. 



2. METOPIUM P. Br. Shrubs or trees. Leaf-blades pinnately com- 

 pound. Flowers dioecious, in open panicles. Sepals 5. Petals 5. Ovary- 

 equilateral: styles united: stigmas 3-lobed. Drupe not oblique. 



1. M. toxiferum (L.) Krug & Urban. Shrub, or tree becoming 1-i m. tall, 

 with a very poisonous sap: leaflets 3-7; blades ovate, leathery, 3-9 cm. long: 

 panicles 1-2 dm. long: sepals reniform or suborbicular : petals oblong to ovate: 

 drupes 10-15 mm. long. — Hammocks and coastal sand-dunes, U. S. keys, U. 

 keys, L. keys. — [E. K.] — (Bah., Cuba, Ant.) — Poisonwood. Coral-sumac. 

 Hog-gum. Doctor-gum. 



3. TOXICODENDRON [Tourn.] Mill. Shrubs, trees, or vines, with poi- 

 sonous sap. Leaf-blades pinnately compound. Flowers polygamous or dioe- 

 cious, in rather dense panicles. Sepals 4-6. Petals 4-6. Ovary glabrous: 

 styles short. Drupe mostly glabrous, the sarcocarp wax-secreting. Seeds ribbed. 



1. T. radicans (L.) Kuntze. Shrub with pubescent twigs: blades of the 

 leaflets leathery, ovate to oblong-ovate, 3-5 cm. long: drupes 2.5—3 mm. in 

 diameter. — Hammocks, L. keys. — [E. K.] — {Ber., Bah.) — Poisox-oak. Poison- 



IVT. 



Family 2. CELASTRACEAE. Staff-tree Family. 



Shrubs, trees, or vines. Leaves alternate, opposite, or whorled : blades 

 simple. Flowers perfect, polygamous, or dioecious, variously borne. 

 Calyx of 3-5 sepals. Corolla of 3-5 petals. Androeeium of 3-5 stamens 

 borne on or below the disk. Gynoecium of 2-5 united carpels. Fruit a 

 capsule, a drupe, or a berry. Seed often arillate. 



Fruit capsular, dehiscent. 1. Mavtbnus. 

 Fruit drupaceous, indehiscent. 



Flowers perfect : ovary 4-celled. 2. Rhacoma. 

 Flowers dioecious : ovary 2-celled. 



Leaves opposite : ovules pendulous. 3. Gyminda. 



Leaves alternate : ovules erect. 4. Schaefferia. 



1. MAYTENUS Molina. Shrubs or trees. Leaves alternate, persistent: 

 blades leathery or succulent, entire or toothed. Flowers polygamous or 

 dioecious, solitary or clustered. Sepals 5. Petals 5. Stamens 5, borne below 

 the disk. Capsules erect. 



i rf 1. M. phyllanthoides Benth. Shrub or small tree: leaf -blades succulent, 

 obovate to oblong-oblanceolate, 2-4 cm. long: hypanthium broadly turbinate: 

 corolla 2-3 mm. broad: capsules obovoid, 8-12 mm. in diameter, red. — Coastal 

 sand-dunes and hammocks, U. keys, L. keys, L. S. keys. — [E. K.] — {Cuba.) 



' 2. RHACOMA L. Shrubs or small trees. Leaves alternate, opposite, or 

 whorled, persistent: blades entire or toothed. Flowers perfect, solitary or 

 clustered in the axils. Sepals 4 or 5. Petals 4 or 5. Stamens 4 or 5, borne 

 between the lobes of the disk. Drupe smooth. [Crossopetalum P. Br.] 



Leaf-blades spiny-toothed: cymes short-stalked (3-5 mm.) 1. R. ilicifoUa. 



Leaf-blades crenate or entire: cymes long-stalked (10-15 mm.). 2. R. Crossopetalum. 



1. R. ilicifolia (Poir.) Trelease. Depressed shrub with pubescent twigs: 

 drupes 3-4 mm. long. — Pinelands, L. keys. — [E. K.] 



2. R. Crossopetalum L. Erect shrub or small tree with glabrous twigs: drupes 

 5-6 mm. long. [Crossopetalum austrinum Gardner.] — Coastal sand-dunes and 

 hammocks, U. S. keys, U. keys, L. keys. — [E. K.] — {Ber., Bah., Cuba, Ant.) 



