Refugium Botanicum. } [September, 1869. 
TAB. 160. 
Natural Order LABIAT. 
Tribe STACHYDER. 
Genus Siperiris, Linn. 
Sect. Marrusiastrum (Moench. Meth. 391). Frutices molliter lanati. 
Folia floralia herbacea, integerrima vel crenata, infima caulinis 
subconformia ad multo minora, suprema minuta. 
S. canariensis (Linn. Sp. Plant. p. 573). Fruticosa, caulibus rigidis 
molliter griseo-lanosis, foliis cordato-ovatis leviter crenatis, supra 
primum tenuiter, infra semper dense adpresse griseo-lanosis venis 
conspicuis, racemis simplicibus, verticillastris inferioribus remotis, 
bracteis eis longioribus, calyce cylindraceo-campanulato lana grisea 
copiosa laxa vestito, dentibus cuspidatis patentibus. — Marrubr- 
astrum tomentosum, Moench. Meth. loc. cit. Leucophae canariensis, 
Webb, Phyt. Can. i. p. 108. 
A native of the Canary Islands. 
A copiously-branched bush three to six feet high. Leaves 
cordate-ovate, lax, on densely woolly petioles nearly as long as 
themselves, subacute, faintly crenate, the lower ones three inches 
long by half as broad, soft and pliable in texture, the upper 
surface at first thinly pubescent, but finally nearly or quite 
naked, the lower permanently matted with adpressed gray woolly 
pubescence, but the veins visible. Flowers in dense whorls 
extending over a space of six or nine inches, the lower ones an 
inch or two inches apart, their bracts like the leaves, which con- 
siderably exceed them, the upper whorls close, with small bracts. 
Pedicels a line long, the bracteoles minute and setaceous. Calyx 
cylindraceo-campanulate, a quarter of an inch deep, densely 
matted with loose gray wool, the teeth short, spreading, lanceo- 
late or deltoid-cuspidate. Corolla pale yellow, scarcely exceeding 
the calyx. Stamens not exserted. 
Tab. 160.— 1, side view of a separate flower; 2, front view of ditto; 
3, corolla cut open; 4, long and short stamen; 5, pistil: all magnified. 
—J. G. B. 
I raised this plant from seed collected in the Canary Islands 
by Dr. C. Bolle. It bears well the open air during the summer 
months, but should be protected from heavy rain in the autumn, 
and placed in an airy cool greenhouse during the winter. It 
grows freely in light sandy loam, and is worthy of cultivation for 
the peculiar coating of thick, short, wool-like pubescence which 
covers the stems and leaves.—W. W. S. 
