SAPJNDACE^. 



VIII. MAPLE SEEIES. 



The Majjles ^ (fig. 418-426), with many authors coustitiiting a clis- 

 tiuct family, have regular aud polygamous flowers. The calyx has 

 generally five sepals arranged in quincuncial prœfloration in the bud, 



Acer pensyhamcum. 



Fig. 418. Floriferous branch 



5! 



Fig. 419. Flower (5-). 



Fig. 420. Longitudinal section of flower. 



and the alternate petals are also imbricate, destitute of appendage. 

 The stamens, sterile in the female flower, 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 



^Aro: T. Inst. 615, t. 386.— L. Gen. n. 11.55. 

 — Adans. Fam. des Fl. ii. 383.— J. Gen. 251.— 

 Qm^tts. Fruct. a. 166, t. 116. — Lamk. Diet. ii. 

 378; Suppl. u. 572; III. t. 844.— Mœnch, 

 Meth. 384.— DC. Prodi: i. 593.— Tdrp. Diet. 

 Sc. Nat. Ail. t. 163.— Spach, An». Sc. Nat. set. 



2, ii. 160 ; Suif, à Bnffon, iii. 84.— Enbl. Gen. n. 

 5658.— Pater, Orgnnog. 124, t. 27.— A. Gray, 

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

 Bn. in Paya-, Fam. Nat. 313. — Lem. et Done. 

 Tr. Qên. 324. 



