SAPINDACEJ^,. 



367 



concave valves whicli abaudon the columella and leave at liberty 

 the large, flattened, imbricate seeds, each containing a straight 



Magonia pubescens. 



Fig. 402. «cud 1,^). 



Fig. 403. Longitudinal section of seed. 



embryo with large elliptical cotyledons (fig. 402, 403). The Mago- 

 nias are beautiful Brazilian trees with alternate compound-pinnate 

 leaves and polygamous flowers. 



V ? ^SCULUS SEEIES. 



^sculus,^ or horse chesnut (fig. 404-408), has hermaphrodite or 

 polygamous and irregular flowers. The calyx is campanulatc or 

 tubular, quinquefidal, with five nearly equal or unequal lobes, im- 

 bricate in the prfefloration. The petals, five, or, more often, only 

 four in number, are unequal,- destitute of appendage, and each 

 supported by a narrow claw, flattened or with involute edges. They 

 are also imbricate in the bud. The stamens are rarely five in 

 number and alternipetalous. More often there is also a verticel 

 formed of oppositi-petalous pieces, one, two, or three in number.^ 

 The filaments are free, inserted inside a circular or incomplete disk. 



L. Oeii. n. 462.— J. Geii. 251.— Lamk. III. t. 382.— Gjuktn, Fri/ct. ii. 135, t. Ill (ind. : 



t. 273.— Desk. Diet. iii. 712; Suppl. iii. .593.— 

 DC. Frodr. i. 597. — Spacii. in Ann. He. Nat. 

 s^r. 2, ii. 52; Suit. A Biiffon, iii. 18.— Endl. 

 Oen. n. 5641. — Schnizl. Iconngr. t. 230. — A. 

 Gray, Qen. III. t. 17C, 177.— tPayek, Organog. 

 128, t. 28.— B. H. Ocn. 398, n. 21 (part.).- 

 H. By, Payer, Fam. Nat. 318.— Lem. et D( ne. 

 Tr. Gen. 326. — Mippocastanum T. Inst. 611, 



Cahtliijisus Si'ACH, Macrothijrsus Spach, Pavia 



BOERH.). 



- And usually of different colour, the two 

 ujipor being often stained inwardly and .-it the 

 base with yellow or red. 



■' On the situation of these oppositipetalous 

 stamens, see 1'aveu, loi:. c'U. 130. 



