[VoL. 3, 19161 
190 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
EXPLANATION OF PLATE 
PLATE 3 
Fig. 1. Senecio Rosei Greenm. 
exico 
From the type D Rose No. 2157, in the Gray Herbarium of 
Harvard University. 
Fig. 2. Senecio Wardii Greene 
h 
From a co-type MN Ward No. 332, in the Gray Herbarium of 
Harvard University. 
Fig. 3. Senecio hesperius Greene 
Oregon 
From Howell's No. 160 in the Gray Herbarium of Harvard Univer- 
sity. 
