a. Franseria deltoidea from flood-plain, February, 1909, showing 

 part of tap-root. b. Lateral of the first order bearing filamentous roots 

 in groups, which, at time photograph was made, were no longer 

 functional. c. Krameria canescens from flood-plain near West 

 Wash, February, 1909, showing essential superficial placing of roots, 

 d. Lycium andersonii from near West Wash. 



