Al6 "CXX. SANTALACEH (BAKER AND HILL). | Thesium. 
leafy above, bianching near the top. Leaves of primary branches 
channelled, 1 in. or more long, subterete, of secondary shorter, linear- 
Subulate, plano-convex. Flowers solitary, axillary or single or paired 
on short branches ; bracts and bracteoles similar to leaves, bracts much 
longer than the flowers, bracteoles about equal in length to the flowers. 
Perianth 1 lin. long; lobes involute, hooded at apex with a tuft of 
apical hairs continued about half-way down the margins. Anthers 
glabrous, about 3 lin. long, inverted, hanging in the cavity of perianth. 
Style 4 lin. long, with papillose swollen stigma. Fruit subglobose, 10- 
wibbed, the alternate ribs less pronounced, connected by irregular reticu- 
lations.—Engl. in Engl. Pf. Ost-Afr. C. 168. 
Mozamb. Distr. British Central Africa: Nyasaland; Mount Mlanji, 6000- 
R000 ft., Whyte, 45! Adamson, 373! between Mputa and the commencement of the 
‘Tanganyika plateau, 2000-3000 ft., Whyte ! 
5. T. Welwitschii, Hiern in Welw. Cat. Afr. Pl. i. 938. Under- 
-shrub, perennial, glabrous or nearly so. Rhizome horizontal with 
numerous erect stems; stems simple below, branched above, ribbed, 
angular. Leaves more or less pressed to stem, linear, acute or sub- 
acute, lower 8 lin. long, decurrent. Inflorescence paniculate, terminal, 
-composed of small axillary cymes; bracts leafy; peduncles as long as 
-or longer than the bracts ; bracteoles shorter than the flowers. Perianth 
urceolate, 14 lin. long; lobes 1 lin. long, angular-ovate, subacute, 
hooded, margins and apex with downwardly-directed ‘hairs,  Anthers 
3 lin. long, equal in Jength to the filaments, pendent with dense tuft 
-of attaching hairs. Style 4 lin. long. . 
Lower Guinea. Angola: Huilla; in sandy wooded thickets in the Humpata 
Country, between Mumpulla and Nene, Welwitsch, 6435! 
6. T. brevibarbatum, Pilger in Engl. Jahrb. xl. 57. Rhizome 
thick ; stems many, short, woody below, 4-4? in. high, much branched ; 
branches short, erect or erect-spreading. Leaves linear-subulate, Bei 
lin. long, somewhat thick, apex acute, colourless, margin minutely 
papillate Flowers collected towards the apices of the branches, simple 
-or in pairs in the axils of leafy bracts ; bracts 2 lin. long, not adnate to the 
peduncles ; bracteoles leafy, longer than the flowers. Perianth ceyathi- 
form, 1} lin. long ; lobes broad, oval, obtuse, 2 lin. long, apex thickened 
and slightly incurved, with short densely-packed hairs on the margi? 
below the apex. Filaments short; anthers } in. long. — Style thick, 
short, scarcely exceeding base of lobes in length, 3-3 lin. long. 
Mozamb. Distr. Rhodesia: grassy steppe near Umtali, 3900 {t., Engler, 
3176! 
' 7. T. Schweinfurthii, Zngl. Pf. Ost-Afr. C. 168. Perennial 
herb about 9 in, high, with numerous erect spreading stems, mu¢ 
branched ; branches elongate, 4-angled and deeply grooved. Leaves 
linear, acute or acuminate, with colourless apex, 5-10 lin. long, keeled. 
Inflorescences short, with terminal flower; lateral flowers in the 4 
of leafy bract; bracts 34-7 lin, long, adnate to the short peduncles } 
