introduction to cultivation was brought about by Mr. J. G. 
Jack of the Arnold Arboretum, who, during his visit to 
the Far East in 1905, obtained cuttings from some plants 
which he found growing on hills near the Great Wall, 
northwards of Nankow. The material from which our 
figure has been prepared has been derived from a plant 
presented to Kew by Professor Sargent of the Arnold 
Arboretum in 1910. The species has proved quite hardy 
at Kew, where it forms a shrub some five feet high in a 
border in the Arboretum where it flowers: freely in 
September and October. The leaves are aromatic. Pro- 
pagation may be effected by cuttings of the young shoots 
which root readily in a close frame in autumn. 
Drscriprion.— Undershrub, aromatic. Stems erect, 4—5 ft. 
high, almost cylindric, faintly hoary-tomentose, much 
branched upwards. Leaves petioled, wide-lanceolate, 34- 
4} in. long, 1-1} in. wide, gradually diminishing in size 
upwards, long acuminate, margin incised-serrate, base 
gradually narrowed into the petiole, glabrous except on 
the margin and the main-nerves which are finely puberu- 
lous, rather pale and closely gland-dotted beneath; petiole 
$-% I. long. Verticillasters 5—10-flowered, arranged in 
numerous loosely spicate panicles which are usually sub- 
secund and terminal and are from 3-6 in. or occasionally 
up to 8 in. long; bracts and bracteoles lanceolate or linear- 
lanceolate, 1-2 lin, long; pedicels about 1 lin. long, shortly 
pubescent. Calyx tubular, over 1 lin, long, shortly white- 
tomentose outside, gland-dotted, 5-toothed; teeth ovate- 
lanceolate, under 1 lin. long, acute, subequal. Corolla 
rose-purple, about } in. long, shortly pubescent outside and 
with a few sessile glands; tube slightly incurved, funnel- 
shaped, with an oblique ring of hairs within; limb faintly 
2-lipped, upper lip erect, deeply notched, under 1 lin. long, 
lower lip 3-lobed, over 1 lin, long, lobes suborbicular, the 
central glabrous outside, 1 lin, long, rather larger than 
the two lateral lobes. Stamens 4, glabrous, far exserted, 
the lower pair longer than the upper. Style glabrous, far 
exserted, deeply 2-fid. Nutlets smooth, ellipsoid, surrounded 
by a denticulate disk which is distinctly produced in front. 
Fig. 1, bract; 2, flower ; 3, corolla, laid open; 4 and 5, anthers; 6, ovary and 
disk :—adl enlarged. 
