248 BOTANICAL GAZETTE [SEPTEMBER 
the generic description as it appears in the Synoptical Flora. 
The linear subulate bracts, and the two lateral calyx teeth are 
the notable discrepancies. Examination of B. glabra, the 
original species, showed that the generic description. was con- 
structed for it, and had not been modified so as to include B. 
strobilacea. Discrepancies were also pointed out in the section 
characters of the genus. 
C. R. Barnes: Photosyntax vs. photosynthesis— It was stated 
that the word photosyntax, proposed in 1893 by the speaker, 
but objected to by Professor MacMillan as etymologically bad, 
had been resubmitted to three competent Greek scholars and 
pronounced by all to be linguistically unobjectionable and 
accurately expressive of the process of carbohydrate formation 
as now understood. 
J. F. CowEt.: Notes on some hybridized sunflowers.— Ordi- 
nary flowers of H. petiolaris had been pollinated from some 
“doubled” 1. decapetalus. Seedlings were shown which presented 
complete intermediate characters. 
E. G. Britron: Mnium Roellii Broth.—The synonyms of 
Bryum lucidum E. G. Britton were explained, of which the lasts 
B. Sandbergii Holzinger, 
C. E. Bessey: The canon flora of the plains of Nebraska— 
The cafions Occurring in the general plain surface _ 
described. Up to the very brink of these cafions sand-loving 
plants are found, but within the cafions they are suddenly 
replaced by moisture-loving plants, representing a totally differ: 
ent flora. The strong invasion of plants from the Rocky 
mountain region has, therefore, resulted in two types of — 
sion, that across the sandy plains, and that within the cafe” 
The invasion of eastern plants is observed to have a similar a 
fold expression. The cafion plants are not necessarily nab 
plants at the west or east, but are simply moisture-loving: 
