SAPINDAOHJ^. 



367 



concave valves whicli abandon the columella and leave at liberty 

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



Magonia pubescem. 



Fig. 402. Seed (|). 



Fig. 403. Longitudinal section of seed. 



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

 nias are beautiful Brazilian "trees with alternate compound-pumate 

 leaves and polygamous flowers. 



V ? ^SCULUS SEEIES. 



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

 polygamous and irregular flowers. The calyx is campanulate or 

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

 bricate in the prsefloration. 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, 



1 L. Gen. n. 462.— J. Gen. 251.— Lamk. III. 

 t. 273.— De8R. Diet. iii. 712; Suppl. iii. 593.— 

 DC. Frodr. i. 597. — Spaoh. in Ann. Se. Nat. 

 ser. 2, ii. 52; Suit. & Buffon, iii. 18.— Endl. 

 Gen. n. 5641. — Sohnizl. Iconogr. t. 230. — A. 

 Gray, Gen. HI. t. 176, 177. — Pay^k, Organog. 

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

 H. Bn, Payer, Fam. Nat. 318. — Lem. et Done. 

 Tr, Gen. 325. — Sippocastanum T. Inst. 611, 



t. 382.— GJ3RTN. IHct. ii. 135, t. Ill (inol. -. 

 Calothyrms Spach, Maerothyrsm Spach, Pavia 



BOERH.). 



- And usually of different colour, the two 

 upper being often stained inwardly and at the 

 tase with yellow or red. 



3 On the situation of these oppositipetalous 

 ~ stamens, see Payer, loc. cit. 130. 



