460 
Alchemilla argyrophylloides, Baker f*, 
250, 25] ; mentioned, 232. 
arvensis, Scop., 209, 214. 
cinerea, Engl., mentioned, 232, 250. 
geranioides, Rolfe, 250; mentioned, 
232. 
ruwenzoriensis, Rolfe, 240, 251; men- 
tioned, 282. 
Stuhlmanni, Engler, 251. 
subnivalis, Baker f.*, 250, 251 ; men- 
tioned, 233. 
tripartita in Mexico, Ruiz § Pav., 432. 
Alectra communis, Hemsl., 268. 
Aletris glanduligera, Franch., mentioned, 
210. 
scopulorum, Dunn *, 310. 
Alga-flora of Tanganyika, 82, 191. 
Alge, from Lake Nyasa, 18; Freshwater, 
including Phytoplankton of Third 
Tanganyika Exped., conducted by Dr. W. 
А. Cunnington, 1904-1905 (West), 
81-197; mentioned, 20. 
-—, Green, Critical (West), 279-288; 
new forms, 82. 
of Tanganyika Exped., Systematic 
account of, 97-197 ; of Tropical Africa, 
mentioned, 81 ; of the Red Sea (Gibson), 
441 ; tendency to spiral growth, 85. 
Alisma Plantago, Linn., 211. 
Alismaceæ presenting primitive features, 
45, 46; from Ruwenzori, 211. 
Allett, Susan, abnormal Platanthera, 393. 
Allogonium, Aii/z., mentioned, 197. 
Alnus, Tourn., in Mexico, 431 ftnote. 
glutinosa, Gaertn., 210, 220. 
sp., 220. 
Aloë amanensis, 
239. 
lateritia, Zngl., mentioned, 939. 
Wollastoni, Rendle *, 238; mentioned 
230. 
Alsine Roylei, Fenzl, 398; mentioned, 
395. 
Alsinez of Tibet, 395. 
Alsophila Kingi, C. В. Clarke, 333. 
Altingia gracilipes, Hemsl., 300. 
Altitude of plants in Mexico (Gadow), 
499. 
Amarantaces from Ruwenzori, 277 
Amaranthus caudatus, Linn., mentioned, 
229, 217. 
А. Berg, mentioned, 
H 
INDEX. 
Amaryllidaceze from Ruwenzori, 237. 
Amentacez, catkins, 6]. 
Amentiferæ, 39, 40; absence of perianth 
accepted as primitive feature, 43; mode 
of fertilization, 41. 
Amentiferales, 42, 75. 
American Bennettiteæ, strobilus of, 57; 
— fossil Cycads, 51. 
Amomum angustifolium, Sonn., 237. 
Ampelideæ of Ruwenzori, 246. 
Amphibia, distrib. in Mexico, 434; cf. 439 
ftnote. 
Anabæna, Bory, 169; species in Victoria 
Nyanza,9]; — abundant in Tangan- 
yika and Lake Nyasa, 01, 
baltica, J. Schmidt, mentioned, 171. 
Flos-aque, Breb., 169; mentioned, 
91, 93, 96; — filaments, 85. 
var. circularis, G. 5, West *, 
170, 171; mentioned, 92, 93, 96; 
— filaments, 85. 
iniequalis, Dorn., 170. 
sp., 170, 171. 
spheerica, Born., 171. 
spiroides, Klebahn, mentioned, 169. 
Tanganyike, G. S. West *, 178; men- 
tioned, 93. 
Anacamptis pyramidalis, Rich., 4. 
Anacardiaceæ from Fokien, 358. 
Andines of Mexico, 431, 435. 
Andropogon cymbarius, Linn., 241. 
Sorghum, Brot., mentioned, 426. 
Andreecium, its evolution, 67; regarded 
as primitive in Маспопасег, 48. 
Aneilema beniniense, Kunth, 240. 
Anemone Hepatica, Linn., its involucre, 
69; mentioned, 50. 
Anerincleistus fruticosus, Rid/.#, 309. 
macranthus, King, mentioned, 309. 
Angiospermez, see Angiosperms. 
Angiosperms (Arber & Parkin), 29-80 
cf. 30-33, 40, 46, 52, 56; alternation of 
generations, 3] ; andreeeium of 58; antho- 
strobilus of, 58; carpels, 59; embryo- 
sac, 32; flower, 41, 57; foliage, 80; 
fossil, 33; fructification, 59; Mesozoie 
ancestors, 37, 58; Paleozoic ancestors of, 
48; phylogeny of, 34, 36, 43; primitive, 
no such plant in existence, 35; Pterido- 
spermeze ancestors of, 48; seeds, 65; 
typical flower, 62. 
