Arthrosolen. | CXVIII, THYMELEZACEH (PEARSON). 235 
pedicelled ; pedicel ;4,—-} in. long, bearing a ring of long erect hairs at 
the summit. Calyx-tube slender, 4-angled, puberulous, 3-4 in. long, 
articulate; lobes 4, spreading, ovate-lanceolate or obovate, acute, 
puberulous beneath, 1-2 lin. long. Ovary glabrous; disc 0.—A. 
glaucescens, Oliver in Journ. Linn. Soc. xv. 96. A. flavus, Rendle in 
Trans. Linn. Soe. ser. 2, Bot. iv. 40. Gnidia chrysantha, Gilg in Engl. 
Jahrb. xix. 258. G. glaucescens, Gilg in Engl. Pfl. Ost-Afr. C. 283. 
G. flava, Gilg, lc. 
Upper Guinea. Collected on the Niger, Baikie! Northern Nigeria: around 
Zunguru and Lokoja, Lugard ! Kontagora, Dalziel, 106! 
Nile Land. Cordofan: Dalisenaar, at the Nile Cataract, Cienowsky, 161! 
Dar Fertit: low swamps west of Pango, Schweinfurth, iii. 113! Uganda: in 
swampy ground, Wilson, 64! Buddu, Dawe, 327! Masisi Plateau, MeClounie, 97! 
Shire Highlands, Adamson, 136! 
Mozamb. Distr. Lake Tanganyika, Cameron! British Central Africa: 
Urungu; Fwambo, Carson, 112! Nutt! Nyasaland; Angoniland, Sharpe, 1901! 
Mount Mlanji, Whyte! Mount Sochi, Kirk! Manganja Hills, Kirk! Meller! 
Blantyre, Buchanan, 94! Last! Scott! Mount Zomba, 2900-5000 ft., Purves, 
26! Whyte! Namasi, Cameron, 14! and without precise locality, Buchanan, 
470! 1348! Rhodesia: between Umtali and Salisbury, Hon. Mrs. Evelyn Cecil, 55! 
between Broken Hill Mine and Bwana M’cuba Mine, Allen, 376. 
Var. ignea, H. H. W. Pearson. Bracts narrowly lanceolate ; calyx-tube red or 
yellowish-red.— Gnidia ignea, Gilg in Engl. Jahrb. xix. 258; Engl. Pfl. Ost-Afr. 
C. 283. 
Nile Land. Uganda: Buddu, on dry hillsides, Seott- Hiliot, 7492 ! 
Mozamb. Distr. German East Africa: Boze, on the Ugalla River, Bohm, 48a! 
Portuguese East Africa: between Unango and Mtonia, Johnson! British Central 
Africa: Nyasaland ; Kondowe to Karonga, 2000-6000 ft., Whyte! Fort Hill and 
neighbourhood, Whyte! Shire Highlands, Adamson, 137! 
2. A. Poggei, H. H. W. Pearson. Stem erect, stout, much- 
branched above, glabrous, 14-2 ft. high. Leaves linear, glabrous, acute, 
4-4 in. long. Heads many-flowered ; involucra]l bracts 5-6, broadly 
ovate, apiculate, yellow or gold-coloured (when dry), about as long as 
the flowers, } in. broad. Flowers 4-merous, shortly pedicelled ; pedicel 
bearing a tuft of very fine silky hairs at the apex. Calyx-tube slender, 
finely pubescent above the articulation, glabrous below, } inch long; 
lobes broadly ovate-triangular, acute, glabrous above, with a rough 
cushion-like swelling within at the base, 4-1 lin. long, } lin. broad.— 
Gnidia Poggei, Gilg in Engl. Jahrb. xix. 259. 
Lower Guinea. Angola: by the River Kuango, Pogge, 208! 
3. A. sphzrantha, 7. H.W. Pearson. A woody annual (2), about 
1} ft. high, branched above, glabrous. Leaves scattered, sessile, linear, 
acute, 4-2 in. long, 1 lin. broad. Heads many-flowered, terminal ; 
Involucral bracts about 10, in 2 series, ovate, acuminate, acute, glabrous, 
2 in. long, } in. broad. Flowers 4-merous, shortly pedicelled ; pedicel 
bearing a ring of erect white silky hairs above the middle. Calyx-tube 
