FORMS OF SENECIO VULGARIS 305 
be published later. The following description of the forms, of 
which Dr. Trow has sent an excellent series to the National 
Herbarium, will be sete with interest.—Ep. Journ. Bor.] 
(a) precoc Trow. This form, when young, has a somewhat 
zigzag stem, with few but very long internodes; the leaves mi 
~_— ar and not deeply pinnatifid as in the other types ; 
ain axis, too, is soon overtopped, and even pushed aside by a a 
re branch ; and the capitula are small and slender. The 
from the date of eigler to hs production of ripe seeds, a sans 
which may well be called a ‘“ generation,” is seventy-two days 
(March 30th, 1908, i June 10th, 1908). This form exhibits 
definite adaptations in all its parts to secure rapid development 
are of m size. 
equals eighty-three me “ Maseh 30th, 1908, to June 21st, 1908). 
c) erectus var. radiatus Trow. This is the radiate form of the 
preceding type. I cannot, indeed, distinguish the one from the 
other at any time up to the moment when the flowers begin to 
in bad weather or in old owers, the number per capitulum 
ranging from eight to thirteen. The ray florets do not. correspond 
to the figure op hogy s Eng. Bot. ed. ee which is no doubt 
nit thre 
Upon n the whole precox may be peerare in gardener’ s termi- 
ae A as early, multicaulis as late, and erectus as inte tate. 
radiate form with short sometimes almost erect and dis- 
oer sential raysis the —— = erectus var. radiatus with one 
of the other forms, generally ere 
These four segregates were their distinctive characters 
