Lasiosiphon. | OXVIII. THYMELHACEH (PEARSON). 229 
K. Meyer in Bull. Acad. Pétersb. i. (1843), 359. Dais virgata, Lichtenst. 
ex Meisn. in DC. Prodr. xiv. 561. 
Mozamb. Distr. Rhodesia: Ngamiland; Nakalechwe, near Lake Ngami, 
Lugard, 24! Botletle River flats, Mrs. Lugard, 4! 
Common in South Africa. 
3. L. somalensis, H. H. W. Pearson. A low shrub, unbranched 
or with rigid erect branches, glabrous in the older parts, 3-23 ft. high. 
Leaves scattered, erect, linear-lanceolate, acute, thick, glabrous, very 
shortly petioled, $-1 in. long, 1-1} lin. broad. Heads terminal, many- 
flowered ; involucral bracts 7—8, lanceolate, acute, silky on the outside, 
shorter than the flowers. Flowers 5-merous, pedicelled ; pedicel about 
$ in. long, silky-pubescent, with a ring of long erect hairs at the summit. 
Calyx-tube slender, pubescent above the articulation, densely villous 
with long erect yellowish-white hairs below, about 4 in. long; lobes 5, 
ovate, pubescent beneath, glabrous above, spreading, about ? lin. long. 
Petals 0. Ovary bearing a few silky hairs at the summit, Fruit ovoid, 
13-2 lin. long; pericarp thin, black, brittle—Arthrosolen somalensis, 
Franch. in Révotl, Pays gomalis, 62, t. 6. Gnidia violacea, Gilg in Ann. 
Istit. Bot. Roma, vi. 98. 
Wile Land. Somaliland; Ouanentab, Révoil; Ononuf and Hahi, James & 
Thrupp! Golis Range, Mrs. Lort-Phillips! Drake-Brockman, 114! 128! 356! 
Guldoo Hammed, Miss Edith Cole ! between Deragodle and Lafaru, Riva, 345 ! 
Var. glabra, H. H. W. Pearson. Involucral bracts glabrous.— Gnidia soma- 
lensis, Gilg in Ann. Istit. Bot. Roma, vi. 98. 
Nile Land. Somaliland: between Rer-es-Sogair and Berbera, Robeccht 
Bricchetti, 85! 
4. L. Fischeri, “Lngl. & Gilg in Engl. Jahrb. xix. 266. Stem 
much-branched above, many-headed, glabrous. Leaves (upper) oblong, 
rigidly membranous or subcoriaceous, glabrous, subacute, rounded at 
the base, very shortly petioled, 3-3 in. long, 2-3 lin. broad. Heads 
8-10-flowered, pedunculate; peduncle leafless, 2-4 lin. long; involucral 
bracts 4—5, suborbicular, broader than long, thinly membranous, per- 
sistent, about 3 as long as the flowers. Flowers 5-merous, pedicelled ; 
pedicels about 1 lin. long, villous with long erect hairs. Calyx-tube 
cylindric, very densely silky-tomentose, 4 in. long; lobes narrowly 
ovate, densely clothed with long silky hairs 14~2 lin. long, 1 lin. broad. 
Petals thinly membranous, linear, obtuse or somewhat emarginate, }—-} 
as long as the calyx-lobes. Ovary stalked, glabrous. Fruit fusiform, 
covered with the villous persistent base of the perianth, 4 in. long, 
1 lin. thick ; hairs about 4 in. long.—nidia Fischeri, Engl. & Gilg, }.c. ; 
Gilg in Engl. Pfl. Ost-Afr. C. 283. 
Mozamb. Distr. German East Africa: Irangi, Fischer, 542! 
5. L. Emini, Engl. & Gilg in Engl. Jahrb. xix. 266. Stem 
stout, much-branched above, glabrous. exceeding 1 ft. high. Leaves 
oblong or oblong-lanceolate, rigidly membranous, glabrous, more or less 
rounded at base and apex, very shortly petiolate, 1-14 in. long, }-} in. 
broad. Heads 5—8-flowered, pedunculate ; peduncle leafless, 2-3 lin. long ; 
