194 



THE BOTANICAL MAGAZINE. 



[Vol. XXV. No. 296. 



the plant is, however, not to be regarded as a separate and 

 distinct species, for it possesses the same general character. 

 The fourth plant, D. ondakensis, is, so far as I can make out 

 from the original description, characterised bj having leaves 

 incano-pubescent, radical ones oblanceolate or narrowly oblan- 

 ceolate, 2— 4-dentate, cauline ones oblanceolate to oblong, 

 dentate or entire, stem pubescent, rachis of the raceme pubes- 

 cent, pedicels puberulent or glabrate, silicic broadly linear or 

 linear, straight, glabrous with short style, seeds oblong-ellip- 

 tical, manifestly tailed. The peculiarity of this one is the 

 straight pod, which is more or less twisted in the other forms. 

 Although it is to a certain extent remarkable, still this char- 

 acter does not afford any specific value, just as in D. borealis." 

 Meanwhile several specimens from various localities have 

 been placed in my hands, which have a similar appearance 

 and the same general character as the known forms. An 



1. Draba Sakuraii a genuina. 



2. „ „ p nipponica. 



3. ,, ,, Y rigida. 

 All magnified fifteen times. 



arrangement of these forms under one species may possibly 

 be made according to the hairiness of the plant and the form 

 of the leaf. The relationship and difference between each form 



*With regard to this species c.f. my paper 'Beitriige zur Kenntnis der Flora 

 von Hokkaido/ no-48, published in the Tokyo Botanical Magazine, 1910. 



