Warburgia ugandensis, Sprague * , 498 ; 
anatomy, 499, pl. 21, desc., 544; 
mentioned, 537. 
Watercress, blaze-currents in, 38. 
Water-plants, blaze-currents in, 38. 
Watson, H. C., on distribution, 335. 
Wavy Hair Grass, see Deschampsia 
flexuosa. 
Webera albicans, Schimp., 264. 
congensis, Stapf * , 106. 
gracilis, Stapf * , 106. 
Wheat cultivation, region of, 355. 
Whitfieldia tanganyikensis, C. B. Clarke, 
193. 
Whyte, A., his African collections, 79, 
298. 
Widdringtonia, Fadl., Notes 
(Masters), 267-274, 332. 
Commersoni, Endi., 271, 273, 274. 
cupressoides, Endl., 270; clavis, 
272; mentioned, 278, 274. 
equisetiformis, Must. *, 271; 
clavis, 272; mentioned 274; 
subsequently reduced to Callitris 
robusta, 332. 
glauca, Carr., 213. 
juniperoides, Endl., 268 ; men- 
on 
tioned, 269, 271, 273, 274; clavis, 
272. 
Mahoni, Mast. * , 271; clavis, 272. 
natalensis, Endl., 271, 273, 274. 
Schwarzii, Mast. *, 269; clavis, 
272. 
Wallichii, Endl., 271, 273, 274. 
Whytei, Rendle, 270, 211; clavis, 
272. 
Willugbeya scandens, O. Kuntze, 168. 
Wistaria, Rhodesian, 440. 
Withania somnifera, Dun., 53, 57, 
Wolley-Dod, Major A. H., Cape Chara- 
cew coll. by, 285-287. 
Woodland plants, their æcology ( Wood- 
head), 333-406 ; Vegetation maps, 
336, — 
Wormskioldia longepedunculata, Mast., 
440. 
INDEX. 
Wormskioldia pilosa, Schweinf., var. a. 
angustifolia, Urban, 155. 
Wright, C. H., Gough Island fern 
determ. by, 248 ; Mosses and Hepaties 
of Gough Island, 263-265. 
Wydler, H., on double-fruited beans, 
19. 
Xanthophyllum, Roxb., 85. 
Xerophytes developed towards the west. 
of the area, 354, 355; map of, 364 ; 
— alluded to, 365 ; modified, 356. 
Xero-pteridetum, not complementary, 
347 ; term, 365, 396. 
AXerotes latifolia, Hassk., 12. 
Ximenia americana, Linn., 134. 
caffra, Sond., 496 ; in flower,484 ; 
mentioned, 485. 
Xylopia gethiopica, 4. Rich., 534. 
Eminii, Engl., 534. 
Xyrides from Rhodesia, 473. 
Xyris capensis, Thunb., 474, 489. 
multicaulis, N. E. Br., 478, 487. 
Yellow Dead Nettle, 
Galeobdolon. 
see Lamium 
Zanthoxylon nitens, Hiern, 130; dis- 
trib., 118. 
ovalifolium, Wight, 64. 
sp. in Ankole, 536. 
Zenker, his Cameroons coll., 299. 
Zizyphus abyssinica, Hochst., 544. 
orthacantha, DC., 544. 
Zollinger, his types of 
Carex, l. 
Zones of Vegetation defined, 354. 
Zoospores of Endoderma, 291, 292. 
Zornia diphylla, Pers., 144. 
Zostera, Linn., 280. 
marina, Linn., 229, expl. fig. 237 ; 
axillary scales, 228. 
nana, Roth, 229; axillary scales,228. 
Malayan 
END OF THE THIRTY-SEVENTH VOLUME. 
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