SAPINDACEJE. 



373 



VIII. MAPLE SEKIES. 



The Majales ^ (tig. 418-426), with many authors coustituting a dis- 

 tinct family, have regular and polygamous flowers. The calyx has 

 generally five sepals arranged in qnincuncial prfefl.oration in the bud, 



Acer pensylvaiiimtm. 



Fig. 419. Flower (1). 



Fig. 420. Longitudinal section of flower. 



and the alternate petals are also irabi'icate, destitute of appendage. 

 The stamens, sterUe in the female tiower, are rarely five in 

 number, superposed to the petals, or ten, arranged on two ver- 

 ticels. Generally eight are observed, six superposed in paii'S to 



' Aco: T. rust. C15, t. 386.— L. Qen. n. 1155. 2, ii. 160 ; Suit, d Buffon, iii. 84.— Endl. Gen. n. 



— AuANs. Fam. des PI. ii. 383.— J. Oen. 251.— 

 Gs.'B.'nt. FriKt.u. 106, t. 116. — Lamk. Dict.ii. 

 378; Suppl. ii. 572; III. t. 844.— Miench, 

 Melh. 384.— DC. Prodr. i. 693.— Tubp. Diet. 

 Sc. Nat. Atl. t. 163.— Spach, Ann. So. Nat. eer. 



5668.— Payer, Orgunog. 124, t. 27.— A. Gray, 

 Oen. III. t. 174.— B. H. flen. 409, n. 60.— H. 

 Bn. in Faycr, Fam. Nat. 313. — Lem. et Done. 

 Tr. aCii. 324. 



