376 
Tricotylous Races. 
side of the stem. 1 I found these torsions not only in 
my own races but also on tricotylous individuals raised 
from commercial seed of Anagallis grandi flora, Collinsia 
bicolor, C. heterophylla, C. violacea, Dianthus plurnarius, 
Fedia scorpioides, Scabiosa atropurpurea nana, Silene 
noctiflora and Zinnia elegans. Also in the second gen- 
eration of Asperula azurea setosa and Viscaria ocidata. 2 
Fig. 81. Antirrhinum majus. Seedlings with terminal leaves 
A, tricotylous ; the others are atavists from the same 
race. A, B, with a single terminal leaf ; C, the two 
leaves of the first whorl fused laterally and placed termi- 
nally; D, a terminal pitcher formed of two leaves. 
Lastly I wish to refer to a tetracotylous plant of 
Melampyrum prat ens e (Fig. 80), whose first leaves above 
the cotyledons, instead of being decussate, were arranged 
in a very irregular spiral. I found it in the summer of 
1887 growing wild not far from 'S Graveland. It is 
important, because it shows that even a splitting of both 
1 F-gured in Ber. d. d. bot. Ges., Vol. XII, PI. II, Figs. 9 and 10. 
2 Ber. d. d. bot. Ges., loc. cit., pp. 32-35 ; see the figures on Plate II 
of this article. 
