VOLUME LXIV NUMBER 1 
THE 
BOTANICAL GAZETTE 
JULY 9i7 
THE ARCHEGONIUM OF CATHARINEA ANGUSTATA 
BRID. (ATRICHUM ANGUSTATUM) 
GEORGE S. BRYAN 
(WITH PLATES I-VIII AND ONE FIGURE) 
; The archegonium of the Musci has been studied by numerous 
investigators, om ends accounts of the developmental processes, 
: 'y thed t and growth of the canal row, are so varied 
and even contradictory that the whole subject is in need of reinves- 
tigation. Catharinea has been selected for an initial study because 
it isa spay of the most advanced romp of the -gneiea 
Material and methods ; 
| Catharine is. ae abundant in the region alee Ee 
me articular species here studied is Catharinea angustata Brid., 
: as identified by Mrs. ExizaAnetH G. BrITTon, to whom the alee 
is riba! indebted for this courtesy. This entire investigation _ 
has been made on what is probably dioecious material. The sex 
organs were found not only on different gametophores, but these 
ches occur in relatively large, well defined patches or _ 
Hiakteed od call gee oe the other, A few cases were found in which ae 
the patch a the speek branches of both sexes mixed oo 
