INDEX. 
Xanthophytum calycinum, Benth, § Hook. 
f., 150; mentioned, 206. 
Xerotus Berterii, Mont., 199. 
Xylaria cubensis, Sacc., 196. 
polymorpha, Grev., 196. 
Xylariaceæ from Naradivatu, 196. 
Xystrolobus yunnanensis, Gagn., 506. 
Yan Yean Reservoir, Victoria, Algæ from 
(West), 39-88. 
“ Yang-tao " or Strawberry Peach, Chinese 
name for variety of Actinidia chinensis, 
Planch., 408. 
Ysilandra Cavaleriei, Léveillé et Vaniot, 506. 
Zanthoxylum Hemsleyanum, Makino, 506. 
Zehneria Hookeriana, Arn., 465. 
581 
Zephyranthes rosea, Lindi., 506. 
Zingiber didymoglossa, K. Schum., 506. 
hupehense, Pamp., 506. 
oligophyllum, K. Schum., 506. 
pleiostachyum, K. Schum., 506. 
Zizyphus apetala, Hook. f., 506. 
incurva, Roxb., 506, 
Mairei, Dode, 506. 
cenoplia, Mill., 506. 
rugosa, Lam., 506. 
sativa, Gaertn., 506. 
Zostera nana, Roth, 506. 
Zygnema, Æg., 24, 34 & ftnote, 89; of 
Yan Yean Reservoir, 13. 
Heydrichi, Schmidle, 52, 53. 
leiospermum, De Bary, 96. 
sp., 14, 97. 
spontaneum, Nordst., 14, 24, 25, 51, 
52, 53. 
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