No. 5GS] X CAPSELLA BUBSA-PASTORIS ARACHNOIDEA 195 



tion of which these cultures had been undertaken, soon 

 was overshadowed by the behavior of the seedlings bear- 

 ing the number 4,108.6 and which were the offspring 

 yielded by a plant of a type not described by Slmll and 

 which I have named X Capsella Bursa-pastnris Srtrhclli- 

 ana, in honor of Professor William Albert Setchell. 



during the time that the seedlings remained in the seed- 



ment were noted. However, after the seedlings had been 

 transplanted to flats and had remained there a week or 

 so, it became evident that some of the seedlings were not 

 making the expected growth. Their development ap- 

 peared most insignificant compared with that of the 

 majority. A closer examination showed the cotyledons 

 to be somewhat larger than normal and the leaves proper 

 to be exceedingly small and almost linear. Nor did they 

 attain the same length as the leaves of the rosets belong- 

 ing to other types. 



