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Eminium Salsola Ammothamnus 
Acanthophyllum  Cousinia Oxytropis 
Agriophyllum Lachnophyllum Calligonum 
Anabasis Eremostachys Aphanopleura 
Cornulaca Hypogomphia Cryptodiscus 
Girgensohnia Eremurus Hyalolaena 
Halanthium Rhinopetalum Psammogeton 
Halimocnemis Ammodendron Zygophyllum 
The following genera have a wide distribution mainly 
in warm-temperate countries (or tropical): 
Cleome Aristida Lactuca 
Cuscuta Iris 
Euphorbia Astragalus 
There still remain some large widely distributed genera: 
Artemisia Plantago Ranunculus 
Elymus Delphinium Carum 
These genera are distributed over so large an area that 
only a closer study could elucidate where the Transcaspian 
endemic species of these genera have their nearest relatives. 
Leaving out of account the 6 genera last-named which 
are represented by 9 endemic species, all the rest of the 
plant genera containing endemic species in Transcaspia have 
their main distribution towards the South, most of them in 
the Mediterranean countries and in Western Asia. This is 
an indication that the flora of Transcaspia is closely allied to 
the flora of these countries. 
The natural orders which contain endemic species can 
be ascertained by reference to the list of plants (pp. 138—158). 
More than one example of endemism is to be found in the 
following families: 
