181 
Phlox Drummondii, cultivated varieties. 
A, Forms having corolla lobes plain. 
8 . 
wart varieties, 6-8 inches tall. 
>b. Chamba or small-flowered kinds. 
« Tall varieties. 
Single flowered. 
Double flowered. 
2. Semi d dwarf Vaneties: 
= varieties. 
«. With narrow corolla lobes (radiata). 
B. Forms with corolla lobes toothed. 
Cc 
ones varieties 
b. ance 
The occurrence of such a large number of well-defined groups 
the a horticulturist and to oe, more special student of 
a direct bearing on conceptions of heredity, besides giving guid- 
ance in horticultural and experimental practice. 
The history of Phlox Drummondii is fairly well known since 
its introduction into cultivation, The species was unknown to 
science prior to 1835. In the spring of that year seed of a new 
species of wild Phlox was sent from Texas to Great Britain by 
the botanical collector, Thomas Drummond. The plants 
raised from this seed were described the same year by Hooker 
(Curtis's Botanical Magazine, a Pp. 344 named. the 
species Phlox Drummo this hal description there 
h some variation in the intensity. The ‘‘eye”’ of the flowers 
was deep crimson and was darker than the rest of the flower. 
