" VIOLA-Viola, in Botany, the common and well known name of a charming flower, most
probably originated in its Greek synonym iov. At least, the vague and forced etymologies of …

With approximately 525 species, the genus Viola (the" true violets") represents the largest of
25 genera in the predominantly tropical family Violaceae. Wilhelm Becker recognized 42 …

The occurrence and extent of natural hybridization involving V. lactea is assessed by means
of population analyses and these data are used in evaluating the field status and …

Herbs [to shrubs] with alternate [opposit medium-sized], greenish white [white or b tary to few
in leaf axils [or in racemose, ra Sepals distinct, imbricate in bud, nearly equ slightly [or …

Morphological variation in some leaf characters of six species of stemless white violets was
analyzed. In five species clinal variation was demonstrated and found helpful in formulating …

Results of 32 population sample analyses for V. cucullata Ait. and V. septentrionalis Greene,
taken on or near the Edmund Niles Huyck Preserve in Albany Co., New York, during the …

A taxonomic treatment is presented for the violets (Violaceae) confirmed in the range
described in the second edition of Gleason and Cronquist's Manual of Vascular Plants of …

The following account must be considered preliminary in the sense that it is based primarily
upon herbarium research. During the summer months of 1952, the writer was employed as …

The wild violets are among the most beautiful and abundant of North American spring-
flowering plants. Countless references to them appear in the popular literature of the world …

In the pursuance of studies on the so-called" stemless" blue vi-olets,'a group of
approximately 28 species belonging to the Section Nominium, Sub-section Boreali …