CONTENTS. 



Page. 



Introductory statement 5 



Inventory 9 



Botanical notes and publication of new names 39 



Index of common and scientific names 41 



ILLUSTRATIONS. 



Page. 



Plate I. Sudan grass (Holcus sorghum) at the Chico Field Station 10 



II. Branch of a seedling Chinese jujube {Ziziphus jujuba Miller) which 



has fruited in Texas 10 



III. The Medjhool date, from the Tafilelt region, Morocco 24 



IV. A Tientsin variety of Pai Ts'ai, or Chinese cabbage {Brassica pehin- 



ensis (Lour.) Skeels) 24 



V. Plants of sesame {Sesamum orientale L.), 3 to 4 feet tall, at the Yar- 

 row Field Station, Rockville, Md 30 



3 



