288 ORDER 41. SAPINDAOE^E. 



or very few large, smooth seeds ; cotyledons thick, bulky, inseparable. 

 Trees or shrubs with opposite, digitate, 5 to 7 -foliate Ivs. Fls. pani- 

 culate, terminal. 



^EscuLus DC. Fruit covered with prickles. Petals 4 or 5, spreading .... Nos. 1, 2 



PAVIA DC. Fruit smooth. Petals 4, erect, the 2 upper clawed Nos. 3 5 



1 Si. Hippocastanum L. HORSE CHESTNUT. Lvs. of 7 dbovate Ifts. -, 

 pet. 5, spreading ; fr. prickly. A noble tree, justly admired for its majestic pro- 

 portions, and for the beauty of its foliage and flowers. It is a native of the north 

 of Asia, but is now known throughout Europe and in this country, and is a fre- 

 quent ornament of courts and avenues. It is of rapid growth, and attains the 

 height of 40 or 50f. In June it puts forth numerous pyramidal racemes or 

 thyrses of flowers of pink and white, finely contrasting with the dark green of 

 its foliage. The seed is large, mahogany-colored, and eaten only by deer, f 



2 Si. glabra Willd. OHIO BUCKEYE. Lfis. 5, oval or oblong, acuminate, serrate 

 or serrulate ; fls. in lax thyrsoid panicles ; cor. 4-petaled, spreading, with the 

 claws as long as the calyx ; stam. nearly twice longer than the corolla ; fr. echi- 

 nate. A small, ill-scented tree, along the banks of the Ohio and its tributaries. 

 Lfta 3 to 6' long, ^ as wide, subsessile, or often contracted at base to short stalks. 

 Fls. yellowish-white, small, slightly irregular. FT. hardly 1' diam. May, Jn. 

 (Pavia Ohioensis MX.) 



3 Si. flava Ait. BIG BUCKEYE. SWEET BUCKEYE. Lfts. 5 to 7, oblong-ovate 

 or elliptic-ovate, acuminate, serrulate, pubescent beneath ; fls. in thyrsoid, pubes- 

 cent panicles, about 6 on each division of the peduncle ; cal. campanulate, not 

 half the length of the corolla ; petals very unequal, connivent, longer than the stam- 

 ens; fr. unarmed. A large tree, 30 to 7 Of high, common in the Southern and 

 Western States. (In Columbia co., Ga., only 4 to 6f high, Elliott.) Lfts. 4 to 7' 

 by 1 to 3'. Fls. pale yellow. Fr. globous, uneven on the surface, but not 

 prickly, 2' diam., with 1 or 2 large (!' diam.), mahogany-colored seeds. Apr., 



4 Si. Pavia L. BUCKEYE. Lfts. 5 to 7, oblong-lanceolate, cuneate at base, shortly 

 acuminate, finely serrate ; fis. red, very irregular in a lax, thyrsoid raceme ; pet. 

 4, erect, as long as stamens cal. tubular, half as long as the 2 shorter petals. 

 A beautiful shrub, 3 to 1 Of high, common in the Southern States. Lvs. of a rich 

 shining green, the veins, petioles and twigs purple. Fls. large (!' long), red, 

 glabrous. Mar. May. f 



5 Si. parviflora "Walt. Lfts. 5 to 7, obovate acuminate, serrate, velvety canes- 

 cent beneath ; petals 4 (white), somewhat similar and spreading, thrice shorter than 

 the capillary stamens. A beautiful shrub, 2 to 5f high, in upper Ga. and S. Car. 

 Fls. very numerous, in a long, slender, racemous thyrse. The upper petals are 

 rather longer, all on slender, exserted claws. Apr., May. (JE. macrostachya MX.) 



2. SAPINDUS, L. SOAP-BERRY. (That is, by syncope, Sapo Indicus, 

 Indian soap.) Sepals 4 or 5 ; petals as many, or one less by abortion, 

 appendaged inside with a gland, scale or beard ; stamens 8 to 10; in- 

 serted on the upper surface of the fleshy disk ; stigmas 3 ; fruit 3, 

 connate, globular, fleshy carpels, often by abortion 2 or 1 ; seed large, 

 solitary. Trees with alternate, pinnate, exstipulate leaves. 



S. marginatus Willd. Common petioles wingless ; Ifts. 9 to 18, ovate-lance- 

 olate, long-pointed, very inequilateral, short-stalked, entire, glabrous, shining 

 above; fls. in dense compound panicles, $ $ or $ $ $ . Ga. to Ark. Tree 20 

 to 40f high, with bright-green foliage and small fls. in large terminal panicles. 

 The barren panicles much more dense and compound than the fertile. Filaments 

 hairy. Berry usually single, rarely triple, reddish-brown, as large as an ounce 

 bullet, its pulp soapy. Seeds loose, rattling. 



3. CARDIOSPERMUM, L. HEART-SEED. BALLOON-VINE. (Gr.aapdia, 



heart, (jTreppa, seeds ; the globous seeds marked with a large cordate 

 hilum.) Sepals 4, the 2 outer smallest ; petals 4, each with an ernar- 



