284 MB. J. ball's sptcilegium t-lq-rm maeoccak^. 



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Durand, visited Marocco, reacted Fez and Mequinez, and, so far 

 as I know, alone of European travellers traversed some part of 

 the great forest of Mamora, respecting which many a strange 

 story circulates among the natives of Marocco. 



In 1809 was published the first edition of the work which gives 

 by far the fullest account of Marocco that has yet appeared, 

 •An Accountof the Empire of Marocco,' by James Grrey Jackson. 

 Mr. Jackson lived for the greater part of sixteen years in South 

 Marocco ; he became familiar with the language and manners of 

 the people, and must have acquired more of their confidence than 

 any previous European visitor, as he not only travelled by several 

 routes through the lower country near the coast, but was allowed 

 to join a military force proceeding over the Atlas from Marocco 

 to Tarudant. 



Mr. Jackson does not, however, seem to have ventured on 

 entering the city of Tarudant ; nor, though he approached Wad- 

 noon, did he actually visit that place. 



Though not a naturalist, Jackson was a very intelligent obser- 

 ver ; and on some points, especially regarding the curious cactoid 



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ing to botanists. 



Marocco 



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able time at Tangier in 1825, and seems to have explored very 

 carefully the district within convenient reach of that city. Salz- 

 mann does not appear to have had much scientific knowledge ; 

 but he was a sharp-eyed collector, and often detected differences 

 between plants found by him and allied species, with which they 

 Lad been confounded by other botanists. Several of these were 

 published by the late M. A, P. Decandolle, then at the zenith of 

 his scientific fame and authority, who had shortly before com- 

 menced the publication of that colossal work, the ' Prodromus 

 Systematis Naturalist Others remained unpublished, except for 

 the manuscript name attached to them by Salzmann. As, how- 

 ever, his collections were sold, and were sufficiently numerous to 

 supply the demands of the chief botanists of his time, this has 

 been, I think, justly regarded as equivalent to publication, and 

 as constituting a title to priority over names subsequently given 



by other botanists. 



Very complete sets of Salzmann's Tangier plants were con- 



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