126 MISSOURI BOTANICAL GARDEN. 
CC. Leaves rounded or narrowed at the base, rarely subcordate, 
acute or sometimes obtuse, broadly ovate to elliptic, gla- 
brous or puberulous, pale bluish or grayish-green; corolla 
slightly or scarcely gibbous at the base; bracts suborbicu- 
late, about one-third as long as ovaries; all peduncles of 
equal length, about half as long as leaves. 
91. LZ. Korolkovii, Stapf. 
AA. Peduncles as long as petioles or shorter; bractlets about one-third 
as long as Ovaries; corolla minutely pubescent without, upper lip 
divided about one-third; leaves broadly ovate to ovate-oblong, — 
obtuse, rarely acute, 1.5-4 cm. long, more or less puberulous or 
villous. | 92. L. arborea, Boiss. 
89. L. Tararica, Linné, Spec. Pl. 1:173 (1753).— 
Pallas, Fl. Ross. 55. pl. 36 (1784).—Aiton, Hort. 
Kew. 1:236 (1789).—Schmidt, Oester. Baumz. 
2:59. pl. 111 (1794).— Ker, Bot. Reg. 1. pl. 31 
(1815).—Guimpel, Abb. Fremd. Holzgew. 111. 
pl. 87 (1825).—De Candolle, Prodr. 4: 335 
(1830). — Loudon, Arb. Frut. Brit. 2: 1052. f. 871, 
812 (1838).—Kirillow, Lonic. Russ. Reich. 41 
(1849).— Reichenbach, Ic. Fl. Germ. 17:86. pl. 
1174. f. 4, 5 (1855). — Pokorny, Oester. Holzpfi. 
158. pl. 30. f. 517-519 (1864).— K. Koch, Dendr. 
21:26 (1872).—Regel, Russk. Dendr. 3: 140 (1873). 
—Dippel, Handb. Laubholzk. 1:234 (1889). — 
Koehne, D. Dendr. 549 (1893).— Wolf, Isv. St. 
Peterb. Lesn. Inst. 3:27. pl. 14. f. 20, 21 (1898). 
— Penkowsky, Derev. Kust. Ross. 3:13 (1901).— 
Schneider, Dendr. Winterstud. 215. f. 203 (1903). 
Xylosteum cordatum, Moench, Meth. Pl. 502 (1794). 
Xylosteum Tataricum, Dumont de Courset, Bot, Cult. 23575 (1802). 
Chamaecerasus Tataricus, Billiard, L’Hort. Frang. 1861 : 256 (1861). 
Caprifolium Tataricum, Kuntze, Rev. Gen. Pl. 13274 (1891). 
Central Asia to South Russia: from the Altai to the 
Ural Mountains and to the Volga (Ehrenberg, Schrenk, C. 
A. Meyer, Regel, Potanin et al. ).— Commonly cultivated 
as an ornamental shrub for its handsome flowers, and some- 
times escaped from cultivation. 
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