196 OXXX. THYMELEACEE. (J. D. Hooker) [Wikstræmia. 
CEYLON ; Central Province, alt. 6-8000 ft., Walker, &c.—DISTRIB. Affghanistan, 
N. China. . 
A small shrub, 1-3 ft. Leaves 1-3 in., thin, variable in breadth, sometimes 
faintly pubescent above and glabrous beneath, base cuneate; petiole à in., with often 
a minute white bud in the axil. Peduncle slender, silky, rarely 4 in.; flowers often 
_at length spicate or even cymose. Perianth }—} in. long. Disk-scales linear. Fruit 
lin. long, narrowly ovoid, silky ; pericarp black, thin. Embryo large, in a thin 
layer of albumen, cotyledons flat oblong, radicle half its length.— Most. of the species 
included here under W. canescens are founded on the cohesion or freedom of the 
hypogynous scales, which organs vary greatly in this and other genera of the Order. 
It is remarkable that this genus should not occur in the Nilghiris. 
5. STELLERA, Linn. 
Herbs undershrubs or shrubs. Leaves alternate. Flowers 2-sexual, m 
terminal sessile heads or spikes. Perianth-tube cylindric, at length circum- 
sciss above the ovary ; lobes 4, rarely 5, spreading; scales 0. Stamens 8, 
rarely 10, 2-seriate; anthers subsessile. Disk produced on one side into à 
lanceolate or linear blade. Ovary subsessile, 1-celled; style short, stigma 
capitate. Fruit dry, included in the base of the perianth, pericarp mem- 
branous.—Species about 6, Central and W. Asia. 
S. Chamejasme, Linn. Amen. Acad. i. 400; a glabrous herb, 
stems erect simple leafy, leaves sessile elliptic-lanceolate acute or acumina 1 
headginvolucrate. Meissn.in DC. Prodr. xiv. 2. 549. S.hy ericifolia, Endl. 
Gen. Suppl. 4. ii. 63; Meissn.l. c. S. concinna, Edgew. in Trans. Linn. à» 
xx. 88; Meissn.l.c. S. altaica, Thieh. in Pers. Synops. i. 486; Meissn. Lc. 
Passerina Stelleri, Wikstr. in Act. Holm. 1818, 321. P. racemosa, Wikstr. 
l. c. 320; Ledeb. Ic. Pl. Ross. t. 374.  Wikstroemia ? hypericifolia, Meist 
in JDenkrek- Regensb. Bot. Geselisch, iii. 987*. Septas hypericifolia, Wall. 
at. 1048. 
WESTERN HIMALAYA ; Kumaon and Garwhal, alt. 10-11,000 ft., Wallich, &c.— 
DISTRIB. Westward to the Caucasus, N. and Central Asia. . 
Rootstock long, woody ; stems quite siniple, rather stout, 6-10 in. high. mee 
opposite and alternate, 3—1 in., thin, veined, base rounded or cuneate, involucral 1 
the cauline. Flowers in a sessile head, sweet-scented, yellow. Perianth 1-3 in. long 
glabrous, tube slender; lobes very short, oblong. 
6. DIARTHRON, Turcz. 
Slender annuals. Leaves scattered, linear. Flowers minute, 2-sexual, 
in lax terminal racemes, ebracteate. Perianth-tube slender or urceolate, 
constricted and circumsciss above the ovary ; lobes 4, spreading ; scales ' 
Stamens 8, 2-seriate; anthers subsessile. Disk 0. Ovary subsessile, 818- 
brous, l-celled ; style short, stiyma ovoid subclavate. Fruit dry, entio i 
in the membranous base of the perianth, pericarp membranous. Tes 
crustaceous, albumen sparing or 0.—Species 2, Persia and Central Asia. 
D. vesiculosum, Fisch. $ Mey. in Bull. Soc. Imp. Mose. 1839, m 
annual, slender, erect, leafy, leaves sessile linear obtuse or gu bacuto 
perianth-tube with 8 ridges, stamens 8. Meissn. in DO. Prodr. n 
558; Boiss. Fl. Orient. iv. 1054. D. carinatum, Jaub. & Sp. IW. P b : 
t.105. Passerina costata, Griff. Notul. iv. 307, and Ic. Pl. Asiat. t. 939. 
The PANJAB; Peshawur, Vicary. WESTERN TIBET; Iskardo, alt. 9000 ft., Clarke. 
— DISTRIB. Soongaria, Affghanistan, Persia. 
