BRIEFER ARTICLES. 
BRASSICA JUNCEA. 
Bice the cavid mai on page 252 of the September GAZETTE, 
Be site Pe ; issemination of Brassica juncea in the eastern 
irdens: It is c act that this species is a common inhabitant of 
Bi Gad-leaved as , a pot-herb, and is variously called Chinese 
somewhat full acc as oe eee ang Chinese mustard. A 
now cultivated in ee Sie and related oriental brassicas, which are 
Experiment Stati ee is given : in Bulletin 67 of the Cornell 
Seger ion (“Some recent Chinese vegetables”), with illus- 
isduttions cite a question whether these naturalized plants are 
Biches Chev ax e weedy Brassica fans from the Old World, or 
aay of th 2 * spontaneous derivatives from the garden forms. A 
EH ee a. in the field could no doubt settle this question.— 
, Cornell University. 
NORTH AMERICAN SPECIES OF EUPHRASIA. 
s Euphrasia‘ I tried to 
I ‘ 
_ In preparing my monograph of the genu 
hich are to be found in 
aang extremely polymorphic forms w 
of the maps oe * In this ‘comnechion I wish to correct an error in one 
one which I did Tinian caused by a very unfortunate mistake, and 
species of the es observe es the proof. i can distinguish three 
nh £. eas ia Euphrasia in North America, aS follows : 
and as yet aaa Wettst. Near to the European E. nemorosa Pers., 
2. E. latifo ee gee from eastern Canada. ; 
of Asia and Eu ia Pursh. Distributed throughout the aces regions 
berland and ea eashiedhapriahs eanaas Greenland, and extending into Cum- 
stern Labrador. 
3. E. Oakesii Wettst. A most distinct form, wh 
1. 14. Leipzig, Engel- 
*Mon ; : 
iia: dea der Gattung Euphrasia. 4to, PP- 316, P 
1896] 
ich as yet has been 
401 
