INDEX. 503 
Betula tomentosa, ecol., 350, 382. 
verrucosa, ecol., 350. 
Bidens pilosa, Linn., 104. 
prolixus, S. Moore *, 116, 
Schimperi, Sch. Bip., mentioned, 117. 
Bignoniacece of Gazaland, 155. 
Birch tree, starch in, 299. 
Bixinez of Gazaland, 28. 
* Black snow," mentioned, 298. 
Dlack- Dark tree, 135. 
Blepharis madandensis, 5. Moore *, 158. 
panduriformis, Lindau, mentioned, 159. 
Blink-blaarboom, 59. 
Blumea lacera, DC., 104. 
Boeken-hout, 156. 
Boerhaavia adscendens, Milld., 181. 
Bolusanthus speciosus, Harms, 60. 
Bopusia scabra, Presl, 154; mentioned, 13. 
Boragineæ of Gazaland, 149. 
Borreria natalensis, А. Schum., 103. 
Bosmina longirostris, mentioned, 415. 
sp., mentioned, 409, 414. 
Возашеа Phoberos, Baill., 206 ; mentioned, 
6, 15. 
Bostrychid:e, mentioned, 65, 139, 205. 
Botryococcus Braunii, Kitz., 399, 411, 425. 
J3ouchea Wilmsii, Giirke, 1606. 
Dowenia spectabilis, ovule, mentioned, 484. 
Brachycorythis acutiloba, Kendle *, 208. 
Welwitschii, Reichb. f., 209. 
Brachyleena rhodesiana, 5. Moore, 108, 
sp., mentioned, 8. 
Brachypodium sylvaticum, есо]., 363, 364, 
369, 382. 
Brachystegia, clavis, 63; mentioned, 4, 5, 
10, 220, 
Bragaei, Harms, 63; clavis, 63; men- 
tioned, 2. 
globiflora, Mook., 68. 
oblonga, Sim, mentioned, 63. 
pectinata, Sin, mentioned, 63. 
Randii, host of Апотесиш rhodesia- 
num, 208, and of  Polypodium 
lepidotum, 241. 
sp., mentioned, 11. 
spic:eformis, Benth., 63; clavis, 63. 
Breutelia affinis, Mitt., 450. 
comosa, Mitt., 450 
Bridelia atroviridis, M i/I. Arg., 190. 
cathartica, Bertol., 191. 
micrantha, Baill., 190. 
Bridelia Niedenzui, Germ., 191. 
sp., mentioned, 8. 
Brillantaisia grandidentata, S. Moore, 158. 
British lakes, Periodicity of Phytoplankto 
of some (W. & G. 5. West), 395-432. 
Briza media, ecol., 382. 
Bromus giganteus, ecol., 382. 
ramosus, ecol., 363, 364, 369, 582. 
“ Brown Mahogany ” tree, 41. 
Brown Seaweeds of the Salt Marsh (Baker), 
275-291. 
Brown, R. N. R., Freshwater Algæ col- 
lected in the South Orkneys by, 293-338. 
Bryaceæ of New Zealand, 448. 
Bryonia dioica, ecol., 551, 381. 
Bryophyta of Gazaland, 244. 
Bryum austro-pallescens, Broth., 448. 
blandum, Hook. f. $ Wils., 448. 
campylothecium, mentioned, 449. 
chrysoneuron, C. Muell., 448. 
eximium, Mit., 449. 
Huttonii, R. В». ter., 449. 
incurvifolium, C. Muell., 449. 
levigatum, Hook. f. $ Wis., 448 
mentioned, +449. 
leptothecium, Tayl., 449. 
Brachytheciacez of New Zealand, 458. 
Brachythecium paradoxum, Jaeg., 458. 
plumosum, Bruch & Schimp., 458. 
rutabulum, Bruch $ Schimp., 458; 
ecol., 359, 362, 367. 
var, robustum, Bruch $ Schimp., 
458. 
salebrosum, Bruch & Schunp., 458. 
velutinum, ecol., 359, 562. 
Brackenridgea zanguebarica, Oliver, 38. 
Brant-bontye, 57. 
Brassica arvensis, ecol., 380. 
Buchnera IIenriquesii, Engl., 158. 
Lastii, Engl., 154. 
Buddleia salvifolia, Lam., 145. 
Buffalo-bean, 57 ; mentioned, 8. 
Bulbocheete sp., mentioned, 296. 
Bully beef plant, 58. 
Burkea africana, Benth., 52. 
Burseracez of Gazaland, 38. 
Bush-tea, 106, 
Cactacem of Gazaland, 75. 
Calamagrostis Epigeios, ecol, 362, 363, 
372, 389, 
