294 MR. J. BALL’S SPICILEGIUM FLORE MAROCCANS. 
future Flora of Maroccothe same relation that Desfontaine’s ‘ Flora 
Atlantica’ will hold to the, I trust, not distant Flora of Algeria. 
I may at once say that I have no claim whatever to approach 
M. Cosson’s extensive and accurate knowledge of the flora of 
North Africa and South-western Europe, and I feel that it would 
be a high honour to be associated with him in sucha work as that 
suggested; but seeing that cireumstances have placed me in posses- 
sion of a considerable mass of materials that must go towards its 
production, I have thought it better without further delay to pre- 
sent it to this Society under the title ‘‘ Spicilegium Flore Maroc- 
cane,” accompanied by lithographed plates illustrating some of 
the new species described, presented to the Society jointly by Dr. 
Hooker and myself. 
I trust that M. Cosson will carry out his intention of speedily 
publishing in a compendious form the rich materials for the Flora 
of Marocco, most of which are in his exclusive possession, and thus 
preparing the way for a more complete work. 
In the following descriptive catalogue I have, as a rule, avoided 
referring to plants not yet published by M. Cosson, excepting 
where this was necessary to name or illustrate specimens collected 
by us or other recent travellers, although, through his liberality, 
I am in possession of many species not enumerated in the follow- 
ing pages. 
Although I feel that the time has not yet come for attempting 
a general survey of the Marocco flora, and the materials for dis- 
cussing the subject must remain further incomplete until the 
publication of the long expected Flora of Algeria, it would be in- 
expedient to close these introductory remarks without a brief view 
- of the geographical relations of the Marocco species to those of the 
surrounding regions. For this purpose I have enumerated in 
tabular form the Natural Orders indigenous to Marocco under 
headings that show the distribution of the species hereafter enu- 
merated. 
The following is a tabular view of the Marocco flora, showing :— 
1. The whole number of species belonging toeach Natural Order 
found in Marocco; 2. The number of these which are cosmo- 
politan or extend in the Old World beyond the Mediterranean 
region ; 3. Species of the Mediterranean region including Macaro- 
nesia; 4. Mediterranean excluding Macaronesia; 5. Confined to 
Western Mediterranean region excluding Macaronesia; 6. Species 
