SIU) tee, IP 
Fae Meets hry Sa Oe a By 
Aa hae 
Mees 
PSE ioe ses) 
DIALYSIS OF COROLLA IN CONVOLVULUS ARVENSIS 361 
To this description Ernst Hallier, of Stuttgart, made the 
following interes ge additions (Deutsche Bot. Monatsschrift, 
October, 1888, 
sie he summer 7 1887 I found a single example of this 
na vineyard at Stuttgart. In this summer (1888) I was 
iota The flower is pure white, without an vane. 
“T must fretieie remark that all possible gradations between 
this form and the type occur, even on one an e same plant. 
Stuttgart is series oa in forms of this species. The colour 
may be pure white or entirely ae colour or cherry-red without 
any marking, or alternating with the five white stripes there may 
be five wider or narrower bands - the ground-colour widening 
outwards. The ground of the corolla is either greenish or arenes 
coloured. The margin of the corolla is often entire, or it m 
Freiherr von Spiseen s cn of the Rheingau variety 
in which parts ap o be suppressed (‘ vollig ae wunden ’’) 
hardly tallies with the nok form, in which the segments 
overlap much as in the flower of a Cyclamen in ‘hich the spiral 
twist is aban The little preoaene on the segments of the 
pie 
descriptions to distinguish any of the other specimens from on 
ager or from the Basingstoke form. I may add that until 
r. is’s specimens arrived there was no such form repre- 
sated i in the National Herbarium. 
Of course Hallier’s remarks make it more than our doubtful 
whether such a form should be given a distinctive n Baron 
JOURNAL OF Borany,—Vou. 53. Leena 1910) 3 Dp. 
