136 ‘C. E. Moss. 
2. The naming of a new, or presumably new, sub-specific 
form collected in a particular locality is, in general, undesirable, 
unless at the same time the form in question is compared with 
other known forms of the species, and the distinguishing characters 
‘of these forms also carefully delineated. 
3. In some cases (e.g., Stellaria dilleniana), the polymor- 
phism of a species is of such a nature that is seems undesirable to 
name, other than symbolically, the sub-specific forms which are 
known to occur. 
