iy CONTENTS. 
Madropella seg 
New Species of Isocoma 
New Asteraceous Genera. 
Segregates from Sieversia. . 
Various New Species... i-z- S 
Mutations in Viola 
The Genus Tridophyllum 
New Species of Mimulus 
Further Study of Chaptalia 
Icianthus and Sprengeria 
_ New or Noteworthy Species 
An Unwritten Law of Nomenclature 
Certain, Malvaceous Types 
The Genus Nuttallia 
The Genus Bossekia E 
New Plants from New Mexico 
New Species of Viola 
Parthenocissus a Synonym 
New Western Plants 
A New Genus of Rutaceae 
The Genus Leiostemon SE 
The Genus Batanthes 
Four Streptanthoid Genera 
Mittellastra and Rubacer 
An Orchid Note 
Certain Rosaceous Genera... ....... CS 
Some Oriental Rubus Allies 
A New Bland Violet.. =e 
e 168 
T69 
= i 
EIRE 
.. 180 
182 
188 
189 
190 
ecw A A 
= T99 
201 
205 
— 209 
. 210 
See | 
214 
219 
e eal 
- 222 
-- 223 
224 
224 
229 
237 
237 
246 
247 
