298 MR. J. ball's SPICILEGIUM FLOKiE MAROCCAN-Jl. 



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and only 15 species are confined to the Macaronesian Islands, 



under which name I include Madeira along with the Canary 

 Islands. This proportion will doubtless be somewhat increased 



when we know more of the coast vegetation between Agadir and 



Wadnoun ; but the figures tend to show that the separation of 



those islands must da.te from a period even geologically speaking 



remote. 



"With a view to exhibit further the characteristics of the 



Marocco flora it may be convenient to give a summary of the 



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results of the foregoing Table, showing the absolute number W 



of species or subspecies of each of the principal Natural Orders, 

 and the percentage which they bear to the total number of Pha- 

 nerogamic species, this being 1627. 



Total number Percentage 

 of species. proportion. * 



Dicotyledones 1338 82*2 



Monocotyledones 289 17'8 



CompositsB 208 12-8 I 



Leguminosae 189 11*6 



G-raminesB 184 8'2 



Umbellifer^ 86 5-3 ^ 



Labiatse 81 5*0 



Qruciferse 73 4'5 



CaryophyllesB 69 4 2 



Scrophularinese 61 3'7 



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LiliacesB 43 2'6 



Bpraginese 35 2*2 



Eanunculacese 33 2'0 I 



EubiacesB *. 30 1*8 



Cistinese 28 1"7 



Cyperacese 25 1'5 



Euphorbiacese ........ 24 1*5 



It will be seen that the proportion of Compositse, Leguminosse, 

 and Liliacese is unusually large, whilst that of Graminese and 

 Eanunculacese is exceptionally small. Still more characteristic 

 of the Marocco flora is the small proportion borne by some natu- 

 ral orders that usually take a prominent place among the vege- 

 table population in mountain countries in the north temperate 

 zone. Thus we have of Eosacea) but 16 species, of Saxifragese' 5 

 opecies, of Primulacese 7 species, of G-entianeae 8 species, and of 





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