CONTENTS 
New Souru AMERICAN SPERMATOPHYTES COLLECTED BY H. M. Curran. 
By S. F. Blake__.--___------------------------------------------ 
Tur Nortu AMERICAN SPECIES OF ASTERELLA. By Alexander W. Evans-_ 
Introduction__...._..__-----------------.---------------------- 
Morphological notes on the genus___-_---..---------------------- 
Systematic treatment_______--_---------.---------------------- 
Doubtful species___-...--------------------------------------- 
ScROPHULARIACEAE OF THE CENTRAL Rocky Mountain States. By 
Francis W. Pennell.._...--__------------------------------------ 
Introduction__..___....---------------------------------------- 
Systematic treatment________---------------------------------- 
REVISION OF THE GENUS ACANTHOSPERMUM. By 5S. F. Blake_._-------- 
Introduction___.___.____--__---------------------------------- 
Systematic treatment_________--------------------------------- 
REVISION OF THE GENUS FLouRENSIA. By S. F. Blake___-------------- 
Introduction___.__...------------------ woe eee eee eee ------ 
Systematic treatment_-__-------------------------------------- 
REVISION OF THE GENUS OYEDAEBA. By 8. F. Blake__._.-------------- 
Introduction__.._..---.--------------------------------------- 
Systematic treatment___.-.------------- w---------------------- 
REVISION OF THE GENUS TiTHontA. By S. F. Blake____-------.------ 
Introduction______._-...--------------------------------------- 
Systematic treatment__--_------------------------------------- 
Tue IDENTIFICATION OF BERBERIS AQUIFOLIUM AND BERRERIS REPENS. 
By Charles V. Piper__------------------------------------------- 
New or NorewortHy PLANTS FROM COLOMBIA AND CENTRAL AMERICA—8. 
By Henry Pittier._.----------------------~---------------------- 
Introduction___...___-____------------------------------------ 
Myristicaceae______-__---------------------------------------- 
Mimosaceae____________-------------------------------------- 
The spicate-flowered species of Pithecollobium of the Unguts-cati 
section__._____.___---_--------------------------------- 
Introduction......._--.------------------------------- 
Key to species____-------------.---------------------- 
Description of species_____--.---.---------------------- 
Five undescribed species of Pithecollobium of the sections 
Samanea and Caulanthon__..------.---------------------- 
Caesalpiniaceae_-_-------------------------------------------- 
A newly rediscovered species of Brownea.-_-.----------------- 
Fabaceae____________-_---------------------------------------- 
The Middle American species of Machaerium__.-------------- 
Key to species__._------------- ween ene nee ee nee nss 
Description of species____.----.-.---------------------- 
Burseraceae___-..-------------------------------------------- 
Two Panamanian species of Protiwm_....-------------------- 
Rutaceae___.______---_---------------------------------------- 
Three new species of Zanthoxylum from Panama -_------------ 
Theaceae____._...-------------------------------------------- 
A new species of Furya from Panama_._.-..----------------- 
Sapotaceae__.__---------------------------------------------- 
The Central American species of Lucuma__._----------------- 
A new species of Siderorylon___-...-..-.-------------------- 
