88 
Systematic Botany, 1 
sy ALFRED GUNDERSEN 
Frankenias 
I have in preparation a study of American Frankeniacene, but 
am very short of specimens from Mexico and Argentina. In the 
principal herbaria of this country and Europe I found only one 
collection from Mexico outside of Lower California, and from 
Argentina for Mrankenia proper very few collections. 
4 iy 
Sigua 
I*ic. 8 Passion Flower (Passiflora alata-caerulea). Longitudinal sec- 
tion of bud, and (at the right) the essential organs raised on the stalk 
(androgynophore). Explanation in the text. (7026.) 
Floral Structures 
IT continued the study of flower structures of which Miss Purdy 
made drawings, also of the distribution among various families of 
dioctyledons. I presented a brief paper on the “ Sequence of 
Genera Within the Family,” relating to Passifloraceae, Caclaceac 
and Amaryllidaceae at the Cleveland meeting of the Botanical 
Society of America. 
