^{page 97 note *} I am indebted to M. Cogniaux for the determination of some of the difficult forms and fragmentary specimens in our collection.

^{page 153 note *} I am indebted to Mr. W. P. Hiern for the identification and description of the Ebenaceæ, and for the subjoined notes.

^{page 161 note *} Alph. Da Candolle quotes Don, and in this he is followed by T. Anderson, and in .the Botanical Magazine, as referring this plant to the genus Pachypodium. But I cannot discover this. Don rightly enough writes of Adenium (or Adenuin) obesum, but in a note he says, “ See Pachypodium, p. 78, for culture and propagation,” and this may have originated the mistaken quotation.

^{page 255 note *} See, on page 26, remarks under Hypericum mysorense, Heyne.

^{page 259 note *} I am indebted to M. Casimir de Candolle for the identification of the third species here mentioned.

^{page 289 note *} To Mr J. G. Baker I am indebted for the description of, and notes to, the new species in this order to which his name is attached.

^{page 297 note *} To Mr C. B. Clarke I am indebted for the identification of the species in this family.

^{page 299 note *} To Mr A. Bennett I am indebted for the determination of, and the subjoined notes to the specios of this genus.

^{page 324 note *} I have availed myself of Mr Baker's extensive knowledge of Ferns in determining the Socotran species, and to him I am indebted for the description of, and notes to the new species.

^{page 330 note *} I have received from Schweinfurth no specimens of Muscineæ collected by his expedition, nor have I seen any account of them.—B.B.

^{page 334 note *} [It is possible this plant so marked may have been sent by Nimmo, and is therefore Socotran, but there is no means of determining this.—B.B.]