“Lasiosiphon. } CXVIII, THYMELHZACE (PEARSON). 233 
11, L. lampranthus, Gilg in Engl. Jahrb. xix. 265. Stem stout, 
erect, much-branched near the top, bearing several heads of flowers, 
densely tomentose. Leaves oblong, acute or shortly apiculate, some- 
what narrowed at the base, densely pubescent with long adpressed 
silky hairs, 1-14in. long, }-}in. broad. Heads many-flowered (50-70) ; 
involucral bracts 7-10, ovate, densely pubescent with long adpressed 
hairs, spreading during flowering, about ? as long as the flowers. 
Flowers 5-merous, very shortly pedicelled; pedicel bearing long erect 
stiff hairs. Calyx-tube cylindric, not distinctly articulated, densely 
clothed with yellowish pubescence above the middle and with long stiff 
erect yellowish hairs below, 3-3 in. long; lobes ovate or elliptic, obtuse 
or rounded at the apex, pubescent without, 14-2 lin. long. Petals 
linear-subulate, about 4 as long as the calyx-lobes. Stamens of the 
upper whorl shortly exserted. Ovary glabrous below, bearing a tuft 
of erect white hairs at the summit; style about 4 in. long; stigma 
capitate, papillose; hypogynous disc very minute, annular. Fruit not 
seen.—Gnidia lamprantha, Gilg in Engl. Jahrb. 1.c. 264; Engl. Pfl. Ost- 
Afr, C. 283. 
Mozamb. Distr. German East Africa: Karagwe, 4200 ft., Stuhlmann, 1979! 
3204! Uganda: West Ankole, Dawe, 362! Western Toro, Doggett ! 
12. L. heepfnerianus, Vatke ex Gilg in Engl. Jahrb. xix. 268. 
Flowering stems erect, simple or little-branched, densely silky-pubescent. 
Leaves lanceolate, membranous, densely (the upper very densely) silky- 
tomentose, acute, subsessile, ?-1 in. long, 14-2 lin. broad. Heads 
terminal, 30—50-flowered ; peduncle densely silky-pubescent, 1-1} in. 
long ; involucral bracts ovate-lanceolate or lanceolate, about 2 as long 
as the flowers. Flowers 5-merous. Calyx-tube cylindric, very densely 
silky-pubescent, villous below, 2?—} in. long; lobes obuvate-oblong, 
more or less emarginate, velvety-pubescent on the back, 2 lin. long, 
1 lin. broad. Petals membranous, oblong, glabrous, 2 as long as the 
calyx-lobes. Ovary silky-villous—Gnidia hepfnerianus, Gilg, 1.c.; Hiern 
in Cat. Afr. Pl. Welw. i. 925, partly. 
Lower Guinea. German South-west Africa: Okahandya, Hépfner, 40! 
Angola: Huilla; between Mumpulla and Lopollo, Welwitsch, 6476! 6479! and 
without precise locality, Antunes, 137! Newton! Mossamedes; Humpata, Welho 
Ramatlho ! 
Mozamb. Distr. German East Africa: lower plateau north of Lake 
Nyasa, Thomson! Rhodesia: between Broken Hill and Bwana M’cuba, <Adlen, 
360! 382! 100 miles north of the Zambesi Falls, Lord Kesteven! Batoka 
Highlands, Kirk! Nyasaland: Mount Masisi, Me Clounie, 70! 
This may be only a villous form of LZ, Kraussii. 
13. L. Kerstingii, HW. HW. W. Pearson. Stems finely tomentose, 
branched near the top, about 9 in. high, arising from a woody rootstock. 
Leaves oblong, obtuse, narrowed towards the base, finely pubescent, 
#-1 in. long, } in. broad. Heads solitary, terminal, many-flowered ; 
involucral bracts about 8, oblong, obtuse, erect during flowering, about 
% as long as the flowers; peduncle short, tomentose. Flower yellow, 
