ADDENDA. 1059 
3. Pycnocoma Thonneri, Pax. Add: Mildbr, Wiss. Deutsch. 
Zentr.-Afr. Exped, ii. 459, 
8. Tragia tenuifolia, Benth. Add: 7. calvescens, Mildbr. Wiss. 
Deutsch, Zentr.-Afr. Exped. ii. 459. 
20. Tragia brevipes, Par. Add: 7. Volkensii, Mildbr. Wiss. 
Deutsch, Zentr.-Afr. Exped. ii. 459. 
10. Sapium mannianum, Benth. Add: S. ellipticwm, Mildbr. 
Wiss. Deutsch. Zentr.-Afr, Exped. ii. 460. 
SUPPLEMENTARY. 
l5a, Thesium Rogersii, 4. W. Hill in Kew Bulletin, 1913, 78. 
Stems numerous, erect, 6-8 in. high, arising from rootstock, branching 
above, deeply grooved and angled, glabrous. Leaves scale-like below, 
above linear or linear-lanceolate, acute with brown tips, 3-5 lin. long, 
with a slight keel, erect. Intlorescences racemose, terminal ; flowers 
shortly pedicellate with pedicels adnate to the bracts or subsessile, 
arranged singly or more rarely in 3-flowered cymes in the bract-axils ; 
bracts narrowly ovate-lanceolate, acute, keeled, 2 lin. long, rather fleshy, 
about equal in length to the flower ; bracteoles 2, about 1} lin. long. 
Perianth 1? lin. long, globose ; lobes erect, 1 lin. long, elliptic-lanceo- 
late, hooded, with a dense apical beard. Anthers % lin. long. Style 
% lin. long, reaching nearly to the middle of the anthers. Fruit ovoid, 
13-2 lin. long, with ten prominent ribs and delicate reticulations. 
Mozamb. Distr. Rhodesia: Candahar Island at Victoria Falls, 3000 ft., 
Rogers, 5467 ! 
Allied to 7. gracile, A. W. Hill, but differs in its stout stems, large flowers 
arranged in solitary racemes and in the longer anthers and styles. 
