CONTENTS. 



Tage. 



Introductory statement 5 



Inventory 9 



Index of common and scientific names 87 



ILLUSTRATIONS. 



Page. 

 Plate I. Fruiting branch of the rollinia (Rollinia orthopetala A. DC). (S.P.I. 



No. 36561 .) 32 



II. The tacaco, a Costa Rican vegetable (Polakowskia tacaco Pittier) 32 



III. Fruit and leaves of the white sapote (Casimiroa edulis La Llave) 36 



IV. The Rosa mango of Bahia, Brazil. (S. P. I. Nos. 36688 and 36841.) . . 36 

 V. An old navel-orange tree in an orchard at Bahia, Brazil 50 



VI. Fruit of the Mu-yu, the south Chinese wood-oil tree (Aleurites 



montana (Lour.) Wils.). (S. P. I. No. 36897.) 50 



3 



