CONTENTS. 
No. Article. Subject. Page. 
1 I. The Drought oi 1921 at Kew 1 
“ Il. | The Kew Lawns and the Drought 10 
¥ III. Salt in the a Water Supply 13 
a TY. Further Notes on the aa aati Species 
of Stipa (with figs.) 15 
y V. New Orchids: XLIX. - - 22 
a VI. Diagnoses Africanae: LXXYV. 27 
‘a Vii. Miscellaneous Notes” - . 32 
2 VItt. Sir John Kirk - 49 
if IX. The ‘‘ ayant Ciliata ” Group of Tropae: . 
olum (wi 63 
se ae Phytopathology in the United States - 85 
* XI, Recovery of Hevea Brees er Ringing 
(with fig.) - 4 91 
te XIT Miscellaneous No tee - - - - 94 
3 XIII. A Revision of Amoreuxia (with plate) - 97 
a XV. Rigiolepis and other en of 
Borneo” - 106 
si XVI. Garden Notes on aioe or Rare Tian can 
Shrubs 109 
oP XVII The Genus us Hey woodia (with hes, ) 114 
ss XVIII Decades Kewens oe 117 
“ XIX. Notes on Cyperaceae: I. - 122 
an XX. Miscellaneous Notes ‘ . _ . 125 
4 >. @.4 © A Revision of Canavalia (with map) - 129 
“ XXII. A Short Trip to Mt. Elgon, Uganda 145 
ra XXIII. New Species from Mo 149 
ae XXIV. Miscellaneous Notes 155 
5 XXV. Fungi Exotici: X XVI. (with figs.) -| 161 
Fe XXVI Contributions to the Flora of Siam 165 
“ XXVII Miscellaneous Notes (with figs.) - - 174 
6 XXVIII. | A Host List of the has Lars: —s 
in the Union Se Roy th Afric Ly be 
" XXIX. Decades Kew iL 183> 
. XXX. Additions to the he Wild Weuns and ‘Flora 
of the a ge) Botanic Gardens, iid 
XVI. (with fi es. ) - 189 
” XXI. Di 1agnos es Afric : LXXV ° - 193 
* XXXII tac Nota (with in). - - - 198 
7 XXXII. | A Revision of the South African Peete: 
of Dianthus (with a )- 209 
fe XXXIV. | Miscellaneous Notes 223 
8 XXXV. Contributions to the Flora of Siam 225 
” XXXVI ruit Culture i i + eee 
” Note on J humilis (with 
gs. ‘ : a * - - | 248 
XXXVIII.| Miscellaneous Notes - - - -| 268 
