MR. J. BALL’S SPICILEGIUM FLORZ MAROOOANZ. 297 
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1627 |467 |254 |350 [216 | 64 | 96 | 15 [165 
Dicotyledones ......... 1338 |349 |208 |280 |186 | 61 | 82 | 13 159 
Monocotyledones ...... 289 |118 | 46 | 70 | 80} 3|14| 2) 6 
It is obvious to all who have considered the subject, that a mere 
enumeration of the species known to exist in a given region gives 
of itself but little information as to the character of its flora; 
nevertheless the statistical method, to which somewhat too much 
importance has, in my opinion, been attributed, does lead towards 
some probable conclusions, and gives indications which may not 
be unimportant. 
Taken as a whole, the figures in the preceding Table show very 
distinctly that the Marocco flora is altogether a portion of that 
great Mediterranean flora which, with local peculiarities, extends 
from the Indus to the Atlantic Islands. Excluding all the species 
widely spread beyond those limits either through the tropics 
or the temperate zone, we have remaining 1160 species, of 
which 820 are common to some considerable portions of the 
Mediterranean region. Of the remaining 340 species about one 
half, or 165, are peculiar to Marocco. Next come 96 common to 
Spain and Marocco, nearly all of these being, as far as we know, 
confined to the neighbourhood of Tangier and Tetuan. A much 
smaller proportion, only 64, are common to Algeria and Marocco, 
LINN. JOURN.— BOTANY, VOL. XVI. Z 
