118 
Philyrophyllum Schinzii, O. Hofim. 
Okavango Valley, 3,000 ft., Lugard, 257. 
A bushy plant, growing to 6 ft. high; flowers yellow. 
Geigeria Schinzii, O. Hof'm. 
Okavango Valley ? Lugard, 256. 
Eclipta alba, Hassk. 
Botletle Valley, in marshy places, Lugard, 211, 
Flowers dirty white. 
Melanthera varians, Hiern. 
Botletle Valley, Lugard, 195. 
Plant 3-4 ft. high ; flowers bright yellow. 
Bidens Schimperi, Sch. Bip. var. 7 
Kwebe, Lugard, 177; Kwebe Hills, 3,300 ft., Mrs. Lugard, 177. 
An erect annual, 3-4 ft. high ; flowers bright yellow. 
Senecio Schinzii, O. Hoffn. 
North Kalahari thee, ; near T’Klakane Pits, about 3,000 ft., 
Lugard, 228, and near Inkonane Pits, Lugard, 293. 
An erect annual, growing to 2 ft. high ; flowers pink. 
This species appears to be dioecious or sub-dioecious, as on pie 
specimens the flower-heads have involucres only 2-24 lin. long an 
1} lin, in diam., and the achenes do not appear to be fertile ; “J 
other specimens the flower-heads have involucres 3-5 lin. long an 
23-3 lin. in diam., with fertile achenes, 
Senecio longiflorus, Oliv, & Hiern, 
Near Botletle, Lugard, 6 ; Kwebe, Lugard. a 
rows among dry bush, usually 2-3 ft., sometimes 6 ft. high ; 
flowers yellow, 
Berkheya gorterioides, Oliv, & Hiern, 
Kwebe, Lugard, 97; Kwebe Hills, 3,400 ft., Mrs. Lugard, 110. 
An annual, 4-15 in. high ; flowers yellow. 
Dicoma Schinzii, ¢, Hoffm. 
Near Chukutsa Salt-pan in the northern Kalahari Desert, 
Lugard, 222 ; Kwebe Hills, 3,300 ft., rare, Mrs. Lugard, 163. 
lant growing to 9 in, high ; flowers dirty white. 
Dicoma tomentosa, Cass. 
Kwebe Hills, 3,300 ft., Mrs. Lugard, 216. 
An erect annual, growing to 3 ft. high; flowers green. 
Dicoma anomala, Sond. 
ear Inkonane Pits, in the northern Kalahari Desert, about 
3,000 ft., Lugard, 294, 
Plant growing to 1 ft, high ; flowers greyish-white. 
CAMPANULACEAR. 
Wahlenbergia okavangensis, V.£ Br. Herba perennis,7‘5-25°4 em. 
alta, basi ramosa. Rami erecti, graciles, superne laxe corymboso- 
ramosi, glabri. Folia erecta, 2-8 mm, longa, linearia vel subulata, 
acuta, minute calloso-denticulata, glabra vel pubescentia. Ca/lycis 
i lati. Ovarium hemisphaericum, puberulum. 
Corolla 5-7 mm, longa, coerulea, Capsula trivalvis. 
