Cnar, IY. VITACEAE, 139 
Various authors (Palm, p. 55; Mohl, p. 45; Lindley, 
&c.) believe that the tendrils of the vine are modified 
flower-peduncles. I here give a drawing (fig. 10) of 
the ordinary state of a young flower-stalk: it consists 
Fig. 10. 
Flower-stalk of the Vine. 
A. Common Peduncle. C. Sub-Peduncle, bearing the flower-buds, 
B. Flower-tendril, with a scale at its base. D. Petiole of the opposite leaf. 
of the “common peduncle” (A); of the “flower- 
tendril” (B), which is represented as having caught a 
twig; and of the “sub-peduncle” (C) bearing the 
flower-buds. The whole moves spontaneously, like a 
true tendril, but in a less degree; the movement, 
