88 POLYGALACE.E. (MILKWOKT FAMILY.) 



6. A. rubrum, L. (RED or SWAMP MAPLE.) Leaves 3-5-lobed, or 

 undivided, smooth or pubescent, either cordate or rounded, or sometimes acute 

 at the base, toothed and serrate, white beneath ; petal* oblong or linear ; sa- 

 mara small, smooth. Swamps. Feb. -March. A small tree. Flowers 

 and fruit red. 



7. NEGUNDO, Mceuch. ASH-LEAVED MAPLE. 



Flowers dioecious. C'alyx minute. 1'etas none. Stamens 4-."), hypogynous, 



A small tree, with smooth green bark. Leaves pinnau-K 3 5-foliolate, the 



leaflets ovate or oblong, lobed or toothed. Flowers small, greenish; the 



sterile ones on long and drooping clustered pedicels, the 1'errlle ones racemose, 



both from lateral buds appearing with or before the leaves. 



1. N. aceroides, Moeuch. River banks. March- April. 



ORDKK -14. MALPIGHIACE.^. (MALIMCIIIA FAMILY.) 



Trees or shrubs, with opposite simple dot less and mostly stipulate 

 leaves, and regular racemose or corymbose flowers on usually jointed 

 pedicels. Calyx .1-parted. Petals .">, alternate with the calyx lobes, 

 unguiculate, soinelimes wanting. Stamens 10, alter. iate with the 

 petals, and inserted with them on a hypogynous disk : anthers round- 

 ish. Ovary solitary, mostly :>-lobed, consisting ol' three more or less 

 united carpels. Styles '!. distinct or united. Fruit composed of one 

 to three 1-seeded cells or carpels. Seeds pendulous, without albumen. 

 Cotyledons thick or leafy. 



1. BYRSONIMA, Rich. 



Calyx with 10 glands at the base without. I'etals ."> Stamens monadel- 

 phous at the base. Styles 3. Fruit drupaceous, 3 celled. :: -seeded. Racemes 

 terminal, simple or branched. 



1. B. lucida, Rich. Smooth; stem much branched ; leaves coriaceous, 

 wedge-obovate, obtuse, entire, short-petioled, shining above, paler beneath, 

 reinless; racemes erect, bracted, simple, twice the length of the leaves ; pedi- 

 cels slender, spreading petals yellow, orbicular-cordate, wavy, long-clawed; 

 drupe smooth, globose. South Florida. A small shrub. Leaves 1' long. 

 Drupe as large as a grain of pepper. 



ORDER 45. POLYGALACE^E. (MILKWORT FAMILY.) 



Herbs or shrubs, with entire exstipulate leaves, and irregular hy- 

 pogynous monadelphous or diadelphous flowers. Anthers 1-celled, 

 opening by a terminal pore. Ovary 2-celled, with a single anatropous 

 pendulous ovule in each cell. Seeds often carunculate. Embryo 

 straight in scanty albumen. Radicle superior. 



