228 CXVIII, THYMELHACEH (PEARSON). [ Lasiosiphon. 
Articulation below middle of calyx-tube. 
Ovary glabrous below the middle. i . 11. ZL. lampranthus. 
Ovary villous or pubescent to the base. 
Stem and leaves pubescent ° c . 8. DL. Kraussiz. 
Stem and leaves villous. 
Leaves acute. S . : . 12. L. hepfnerianus. 
Leaves obtuse . : : : . 13. L. Kerstingii. 
1. L. Vatkei, Lngl. in Engl. Ja/rb. xvii. 167. A shrub about 
7 ft. high. Young branches pubescent, later glabrous. Leaves oblong 
or oblong-lanceolate, obtuse or rounded at the apex, narrowed towards 
the base, shortly petioled, adpressed pubescent, 14-2 in. long, 4-} in. 
broad. Heads few-flowered, axillary ; peduncle narrowly funnel-shaped, 
thick, glabrous, except at the apex, +~—? in. long; involucral bracts 
about 4, broadly elliptic, obtuse, finely pubescent, almost as long as the 
flowers, caducous. Flowers 5-merous, shortly pedicelled ; pedicel about 
1 lin. long, pubescent. Calyx-tube articulated, densely villous on the 
outside with erect silky yellow-white hairs, }—3 in. long ; lobes spreading 
during flowering, oblong-elliptic, rounded at the apex, pubescent on the 
margins, villous on the back, about + as long as the tube. Petals 0. 
Ovary pubescent and bearing a tuft of long erect hairs at the summit ; 
hypogynous disc minute.—Z. Hildebrandtii, Vatke ex Engl. Hochge- 
birgsfl. Trop. Afr. 310 (not of Scott-Elliot in Journ. Linn. Soc. xxix. 47). 
Arthrosolen latifolius, Oliv. in Trans. Linn. Soe. ser. 2, Bot. ii. 348. 
Gnidia vatkeana, Engl. & Gilg in Engl. Jahrb. xix. 267 ; Gilg in Engl. 
Pfl. Ost-Afr. C. 283. G. latifolia, Gilg in Engl. Pf. Ost-Afr. C. 283. 
Wile Land. Uganda: Nandi; Nzowi, 4000-6000 ft., Scott-Elliot, 6682! 
British East Africa: near Samburu, Kassner, 485! Ukamba; Kitui, Hildebrandt,. 
2838! between Duruma and Teita, Hildebrandt, 2369! Ribe to Galla Country, 
Wakefield ! 
Mozamb. Distr. German East Africa; Usambara; Nyika Steppe, Holst, 
2415! Mlalo, Holst, 541! Tanga; on the dry slopes of Lutindi, 1400 ft., Holst, 
3449! Kilimanjaro; Himo River, 2900 ft., Volkens, 1751! 5000 ft., Johnston ! 
2. L. polycephalus, //. H.W. Pearsons A small virgate shrub 
about 2 ft. high with erect glaucous branches. Leaves few, scattered, 
erect, linear, 1-nerved, narrowed at both ends, subacute, }—} in. long, 
4-1 lin. broad. Heads ovoid, few-flowered, pedunculate, in erect 
racemes ; bracts of the involucre about 9, erect, ovate or triangular- 
ovate, rounded at the base, acute, obtuse or rounded at the apex, silky- 
pubescent without, the inner about $in. long, 2 in. broad, outer smaller. 
Flowers 5-merous, yellow, ‘with a delicious scent ” (Zugard), pedicelled ; 
pedicel about ? lin. long, with a ring of erect silky hairs at the summit. 
Calyx-tube slender, pubescent above the articulation, densely villous 
with long erect silky. hairs below, about 4 in. long; lobes spreading, 
oblong, obtuse or subacute, densely pubescent beneath, about 1} lin. 
long. Petals 0. Ovary glabrous; style about 14 lin. long; stigma 
cylindric. Fruit ovoid, about 2 lin. long ; pericarp thin, black, brittle ; 
testa thin; embryo’ large, 14-2 lin. long.—Passerina polycephala, 
E. Meyer ex Meisn. in Linnea, xiv. 561. Arthrosolen polycephalus, 
