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ADJACENT TO HORTICULTURAL HALL. 61 

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-- Cytisus albus, Ziné. Wire Broom. Slender branches round; leaves 
simple or of 3 sessile, linear oblong leaflets; flower-clusters in long racemes ; 
__-very hairy pod 2-seeded, Native of Portugal. 
Cytisus capitata, Yacguin. Stems erect, branchlets hispid ; leaflets hairy, 
ovate, elliptical; the numerous head-like clusters of flowers at the ends of the 
branches ; calyx and legumes rough hairy. Native of Southern and Central 
Europe. 
Cytisus scoparius, Ziné. Scotcu Broom. The angular branches 
nearly smooth; leaves compound, of 3 leaflets, or the highest ones simple ; 
‘flowers solitary, on a little foot-stalk in the axils of the leaves; seed-pod hairy 
along the margin. Native of the sandy and woody parts of Western Europe. 
** Broom tops in large doses are emetic and purgative, in small doses they are 
diuretic and mildly purgative.” 
Desmodium. TiIcK-TREFOIL. Flowers irregular, 9 of the stamens more 
or less united at base ; pod flat-jointed, narrowed at the joints and separating 
at them when mature, usually provided with hooked hairs by which they 
attach themselves to passing objects. 
Desmodium racemosum, De Cando//e. Is an erect, somewhat shrubby 
plant from Japan; the smooth branches angled; leaves with 3 ovate acute 
leaflets which are slightly hairy on the under surface; pod in this species has 
not the usual hooked hairs. : 
Genista. Flowers irregular, 9 stamens more or less united; leaves simple ; 
lowest petal nearly straight, reflexed when the flower is fully open; pod flat. 
Genista tinctoria, Zizm@us. DYER’s GREEN-WEED. Is a low shrub, with 
sharp-angled erect branches; not thorny; leaves lance-shaped; flowers yel- 
low, % inch long, in moderately close clusters on the ends of the branches. 
Naturalized from Europe. 
Gleditschia. Honry-Locust. Flowers somewhat irregular, perfect or 
imperfect, in narrow clusters, stamens 3 to 10, separate; petals much alike, all 
% narrow and spreading; pod flat, with one to several flat seeds. 
Gleditschia Caspica, Desfontaines. CASPIAN Honey-Locust. The 3- 
cleft thorns flat, slender; leaves often bipinnate, leaflets obtuse, elliptical 
lanceolate. From the Caspian Sea region. 
Gleditschia macrantha, re ha LARGE-THORNED Honey-Locust. 
Heavy thorns with many conical branches; main stem thorny; leaflets lance- 
shaped, nearly an inch long, toothed, somewhat stiff; pod large, thick, and 
containing a bitter pulp. Native country unknown. 
Gleditschia monosperma, Walter. ONnrE-SEEDED Honey-Locust. A 
small tree, growing from Illinois south and southwestward, with slender thorns 
and oval rather obtuse leaflets, and one-seeded ovate pulpless pods. 
Gleditschia Sinensis, Zamdbert. Cuinesk Honey-Locust. (G/leditschia 
horrida, Willdenow.) With heavy thorns, and obtuse ovate elliptical leaflets ; 
pod elongated and compressed. Native of China. 

