INTKODUCTORY ESSAY. 



219 



Plectranthus ragosus 

 Linaria ramosissima. 



Cyperus . 



Chloris. 



Cymbopogon. 



temperate 



Andropogon. 

 Eriophoruni. 

 Saccharum. 

 Eriantkus. 



ropean and Siberian types, and differs remarkably from the 

 Himalayan in the total absence of Rubi and Aconitum. Be- 

 sides the shrnbs and trees mentioned above, there occur 



s: angustifolia 

 zygostemon. 

 purpurea, 

 acutifolia. 

 alba, 

 fragilis. 

 Perowskia. 



Populus alba. 

 „ nigra. 



->•> 



r> 



?? 



?? 



?? 



Elseagnus . 



Betula JShojputra, var. 

 LonicersB, several. 

 Clematis orientalis. 

 Rosa pimpinellcefolia. 

 Artemisia), several. 

 Caragana versicolor. 

 Berberis ulicina. 

 Rhamnus. 

 Ephedra. 



The prevalent natural families are all European : 



KanunculacesB. 



Eumariacese. 



Crucifene. 



Alsinese. 

 Leguminosse. 



Rosacea). 

 Umbellifera). 

 Saxifrages. 

 Composita). 



Scrophularmcess 



Labiatse. 



Boraginea). 



Polygonea). 

 Chenopodiacese. 



Amentacese. 



Graminea). 



Cyperacea). 



The following herbaceous genera and species may be noted 



as often occurring : 



Ranunculus. 



Anemone. 



Delphinium. 



Thalictrum. 



Corydalis. 



Hypecoum. 



Draba. 

 Cardamine, 



Matthiola. 



Sisymbrium. 



