so ACF.nACK.K. (maIM.K lAMll.Y.) 



petals as lonp; as the tiilmlar calyx ; j)aniilc obloiif; ; leaflets S, vaning from 

 lanceolate to oval, sliort-aouininate, finely serrate, smooth, or nearly so, on liotli 

 suifaces — Rich soil, Florida to North Carolina, anil westward. March - May. 

 — A shrub, or in the upper districts, a small tree. I'Mowcrs red. 



•1 ^. flava, Ait. Stamens included; claws of the lateral petals longer 

 than the tuliuhir-canipanulate calyx; panicle ohlong, pubescent ; leallets ."i-T. 

 obovate-oblong, acuminate, finely serrate, pubescent beneath. — Rich soil, in the 

 middle and upper districts of Georgia to North Carolina and northward. April 

 and May. — A shrub or small tree. Flowers pale yellow. A^j. di.scolor, Pursli, 

 is a form of this species with more strongly serrate leaflets, and flesh-colored 

 or dull purple flowers. 



4. JH. parviflora, Walt. Stamens 3 times as long as the corolla; claws 

 of the nearly similar petals longer than the obconieal calyx ; panicle racemose, 

 very long ; leaflets 5 - 7, oval-obovate, tomentose beneath. {JK maerostachya, 

 Michx.) — Upper districts of Georgia and South Carolina. Ajiril and May. — 

 Shrub 3° - 9° high. Flowers white. Stamens 6 or 7. 



Ordkr 43. ACERACEiE. (Mai-li: Family.) 



Trees or shrubs, with opposite palmately lobed or pinnate exstipulatc 

 leaves, and regular mostly polygamous or dioecious flowers, Avith an imbri- 

 cated asstivation. — Calyx 4-0-lobed. Petals as many as the lobes of the 

 calyx, or none. Stamens 4-12, inserted with the petals into a hyi)ogy- 

 nous disk. Ovary '2-celled, with 2 pendidous amphitropous ovules in each 

 cell, forming in fruit a double 2-see(U'd samara. Styles 2. Seeds with 

 little or no albumen. Embryo folded or sj)irally coiled. 



1. ACER, L. Mai-lk. 



Flowers polygamous. I'ctals usually .5-8, or none. Stamens 4-12. — Leaves 

 simple, palmately lobed. Flowers clustered or racemose. 



* Flowers in termimd nicemes, appcarinrj after the leaves. 



1. A. Pennsylvanicum, L. (SruirKD Mapli:.) Racemes simple, 

 drooping ; flowers (15-2.5) largo ; petals obovate ; leaves slightly cordate, with 

 3 acuminate finely serrate lobes ; samara large. (A. striatum. Lam.) — Banks 

 of moimtain streams, Georgia and northward. May. — A shrub or small tree, 

 with striped bark. Flowers greenish. 



2. A. spicatum, Lam. (Mountain' Mapi.k.) Racemes compound, 

 erect; flowers small, very immerous ; petals linear-spatulatc ; leaves cordate, 

 3-lobcd, coarsely serrate ; samara small. — With die preceding. — Shrub G° - 10° 

 high. Leaves pubescent beneadi. 



* * Flowers on long and drooping vmhdlate or cortpnbose pedicels, developed from 

 lateral and terminal buds. 



3. A. saccharinum, Wang. (Scgak Maplk ) Leaves cordate, with 

 3-5 acute or acuminate sinuate-toothed lobes, paler and slightly pubescent be- 



