CONTENTS. 



New Species of the Genus Mimulus 1 



New Western Asteraceae 8 



New Composites from Oregon, Washington and Idaho . 14 



New Plants from Arizona . • . 20 



New Calif orni an Asteraceae 25 



Some Western Caulescent Violets 32 



Reconsideration of the Genus Marah • 35 



An Oriental Convallaria . 36 



Nomenclature of the Bayberries 37 



Two New Southern Violets 41 



Three New Astragali • • • 42 



The Genus Downingia 43 



Miscellaneous Specific Types. — I .45 



Miscellaneous Specific Types. — II 86 



Miscellaneous Specific Types. — III . . . . • 105 



Miscellaneous Specific Types.^ — IV 152 



Miscellaneous Specific Types. — V 225 



Miscellaneous Specific Types. — VI 270 



Studies of Thalictraceae . — I 

 Studies of Thalictraceae. — II 



49 

 89 



Certain American Roses 60 



Some Allies of Hibiscus Moscheutos 64 



Two New Lupines 67 



Some Western Species of Arabis 69 



New Papilionaceae 83 



A Fascicle of Violets 94 



New Species of Sambucus 99 



A New Name for the Bayberries 101 



Some Southwestern Mulberries 112 



A Further Study of Agoseris 121 



Some Western Roses 132 



A Cruciferous Monotype 136 



Four New Polentillaceae 137 



