190 THE FLORA. 



§ Fruit covered with prickles. Petals 4 or 5, spreading 1,2 



§ Fruit smooth. Petals 4, erect, 2 of them clawed 3-5 



1 iE. Hippocasta'neum. Horse Chestnut. Leaves of 7, obovate leaflets. Petals 5 



Fruit prickly. Panicles large, handi^ome. f 



2 2B. glabra. Ohio Buckeye. Leaflets 5, oval or oblong. Petals 4. Tree ill 



scented. Flowers yellowish. Seed mahogany-color. W. 



3 .E. fla'va. Big Buckeye. A large tree, with pale-yellow flowers. Leaflets 5-7 



Petals very unequal, longer than stamens. W. 



4 IE. PaMa. Bed-flowered B. Shrub 3-lOf. Fls. large, red, in thyrse-lise racemes. 



Very handsome. S. t 



5 .S3, parviflo'ra. White B. Shrub 2-3f. Petals 4, somewhat alike, spreading, 



thrice shorter than the stamens. S. 



2. STAPHYLE'A. Bladder-nut. 

 Flowers perfect. Sepals 5, colored like the 5 petals. Stamens 5. 

 Styles 3. Capsules 2 or 3, with thin, inflated walls.— Shrubs. 

 1. S. trifo'lia. Ternate B. A handsome shrub, 6 Sf. high. Leaves ternate, leaflets ovate. 

 Racemes pendulous. Petals ciliate below. Fruit very large, 8-celled, inflated like a 

 bladder. 



Okder XLIL CELASTEACEiE. Staff-trees. 



Shnibs or small trees, with simple leaves ; 

 floioers small, 4 or .5-parted, with imbricated sepals and petals ; 

 stamens perigynous, alternate with the petals. Style 1 ; 

 fndt 2-5-celled. Seeds enclosed in a fleshy aril. 



1 Staff-tree. Shrubs climbing and twining. Leaves alternate, oblong, 



acuminate, serrate. Cappule 3-valved. Seeds with a scarlet aril. Celas'trus. 



2 Burning Bush. Erect or trailing. Leaves opposite, seirate. Flowers 



perfect, greenish or purplish. Pods lobed, red ; arils scarlet. Euon'tmus. 



Order XLIII. KHAMNACEJi]. Buckthorns. 



Shrubs or small trees, with simple mostly alternate leaves ; 



calyx valvate. Stamens opposite to the small petals, both perigynous. 



fruit 2-5-celled, cells each 1-seeded. — We have 4 genera. 



1 Buckthorn. Leaves alternate. Petals shorter than the calyx or none. 



Flowers axillary. Fruit blackish, drupe-like, seeds 2-4. RHAMNrs. 



2 Jersey Tea. Leaves alternate. Petals longer than the calyx, clawed, 



white in our species. Flowers in dense terminal clusters. Ceano'thus. 



3 Supple Jack. Leaves alternate. Petals not clawed. Flowers in small 



terminal panicles. Drupe purple. Shrub climbing, twining, Beeche'mia. 



4 A slender trailing shrub with opposite leaves and spiked fls. South. Sageue'tia. 



