CONTENTS. 
Introductory note ........-----2-2----------- 2-222 eee eee eee eee eee 
Commielinaceae .......--.---------------- 2-22-22 e eee eee eee eee eee eee 
Neotreleasea .......-2--.-----------+ 2-22-2020 2 2 eee ee eee ee eee eee 
Amaryllidaceae ...........----2--+------+-----------0---0 0220-22-22 ee ee eee 
Revision of Polianthes with new species ...........-------------------- 
Prochnyanthes and its species. .......2222---..222-----.2---------+------- 
Mantfreda and its species ......222---------------- 222-2202 eee eee eee eee 
Aristolochiaceae. 2.2.20. 0... eee ee ne ce nee eee 
New name for an Aristolochia...........-.-...-.-.--.----------------5- 
rapaveracede 2.2.2.2... 222-222-022 ee ee eee eee 
The Mexican species of Argemone......2...-.--------2---2---2--------- 
Ranunculaceae .......----.-2---------------- 22 ee eee eee eee eee 
New species of Thalictrum ...........2.-..2.-------------------------- 
Brassicaceae ......---------2-------- 2-2-2 ee eee eee 
New species of Draba.........2----2-2----------------------2-2----------- 
Rosaceae 2.2.2... ee ee eee eee ee ee eee eee 
Two new species of Potentilla .........2....--..22-------2------------- 
Mimosaceas. 2.222... 2 0c e eee eee ee ee ee eee eee 
New species of Acacia, Mimosa, and Pithecolobium...........---------- 
Viciaceae ...22. 22222 eee eee eee eee eee eee eee eee eee 
Synopsis of the species of Cologania...........2-..-....-+---------------- 
List of the species of Harpalyce with two new descriptions ..........-.-- 
Climacorachis, anew genus .....-...-.--.------2------------------------ 
Ramirezella, a new genus.......---....--.------ 2-22-22 eee eee eee eee 
A new species of Bradburya with revision of two names .......--------- 
New species of several genera ......2--2-.-------.-------------+--------- 
Malpighiaceae ......2.......22----------. ---------- 2-2-2 eee 
New species of three genera.........----..-.-------------------------- 
Meliaceae.........--2------------- 2-2-2 ee eee 
A new Trichilia ....0...2-------2--2.0..0....22--2------------------------ 
Rhanimaceae ......22--------- 2-002 - eee ee ee eee eee eee 
A new Colubrina.......------------+-------- 0-2-2 eee eee eee eee 
New species of Rhammus..........2.---------------------------------- 
Vitaceae 22.2.2... eee eee eee ee ee eee eee 
A new Ampelopsis ........2-------------------------------- +e ee eee 
Theaceae ......2....0-2--22- 222-22 2 ee eee eee 
New species of Saurauja.........-.-----------------------+-5 2-22 eee 
Cornaceae .......-.2------- 2-2-2 22 ee nee en eee eee eee 
The Mexican species of Cornus ...............------------------------- 
A new Garrya... 22222-2222 een eee ee eee ee eee eee eee 
Cucurbitaceae...... 2-2-2. 02-222 eee ee eee eee 
A new Schizocarpum .......22.----------------+---- 2-2 - ee eee eee 
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