Transcriber's note:

pg [22] Changed: Plantanthera diphylla to: Platanthera
pg [28] Changed: Genista elevata to: clavata
pg [41] Changed: by liberal expediture to: expenditure
pg [57] Added period after: destroyed by the Spaniards
pg [153] Changed: vary form the mean to: from
pg [225] Changed: sudden illlumination to: illumination
pg [255] Added period after: the general result
pg [260] Added period after: infer from his narrative
pg [310] Added period after: outbreak of hostilies
pg [331] Changed: plunged into water, to: water.
pg [332] Changed: under he protection to: the
pg [337] Changed: Wildenow to: Willdenow
pg [344] Changed: 90 F. to: 90° F.
pg [365] Added § to last cell of last row
pg [387] Changed: Lybia to: Libya
pg [408] Changed: Rhammus to: Rhamnus
pg [413] Moved: Parolinia from left column to right (genera) column
pg [425] Changed: Verbascum calnycium to: calycinum
pg [437] Changed: .07 to: 0.07
pg [494] Changed: Gibraltar, rock of, 60, 743 to: 347
pg [496] Changed: Plantanthera diphylla to: Platanthera
pg [496] Changed: Peganum Harmata to: Harmala
The changes suggested in the [Errata] have been made.
Multi-column tables without headers, that span more than one page have been changed to single column.
Other spelling and formatting inconsistencies have been left unchanged.
New original cover art included with this eBook is granted to the public domain.