Transcriber's note:

pg [15] Added period after: vegetation of the country
pg [17] Changed: Quercus bollota to: ballota
pg [24] Changed: Rhus oxycantha to: oxyacantha
pg [25] Changed: Artistida pungens to: Aristida
pg [32] Changed: Astericus pygmæus to: Asteriscus
pg [35] Changed: Petama spherocarpa to: Retama sphærocarpa
footnote [21] (pg [38]) Changed: Statique to: Statistique
pg [43] Changed: were in in pre-M’Zabite to: were in pre-M’Zabite
pg [43] Changed: iteslf to: itself
pg [50] Changed: Zillikoferia to: Zollikoferia
pg [53] Changed: Fig. 441. to: 44.
pg [54] Changed: Astericus graveolens to: Asteriscus
pg [55] Changed: Tragonum nudatum to: Traganum
pg [56] Changed: Phargmites to: Phragmites
pg [57] Changed: Maricandia cinerea to: Moricandia
pg [57] Changed: Haloxylon articulata to: articulatum
pg [57] Changed: Sorzonera nudulata to: Scorzonera undulata
pg [59] Changed: P. albans to: albicans
pg [63] Changed: Ferula visciritensis to: vesceritensis
pg [65] Changed: Ferula vesciritensis to: vesceritensis
pg [73] Changed: edaphacic to: edaphic
Other spelling and formatting inconsistencies have been left unchanged