162 



ON SEEDLINGS 



channelled above, with rather acute edges, coarsely hairy, somewhat 

 dilated at the base. 



Nos. 1 and 2. Opposite, or slightly alternate by the development 

 of the second internode, oblong-obovate, with a broad, obtuse point, 

 more or less lobulate and dentate, lobes deltoid, obtuse, decurrent 

 on the petiole. 



No. 3. Oblong, more or less distinctly lyrate-pmnatind. 



FIG. 169. Brassica oleracea. 

 A x 4, B x 8. 



Brassica campestris, L., var. Eapa. White Globe Turnip. 

 Cotyledons transversely oblong, otherwise as in B. nigra. Indi- 

 viduals vary greatly in size, and length of petioles. 



Brassica oleracea, L. (fig. 169). 



Cotyledons broader than long, bifid with a broad sinus, lobes 

 ascending, rounded. 



Average size of three larger laminae 6'5 mm. long, 10'08 mm. 

 wide. 



Average size of three smaller laminae 6 mm. long, 8 - 8 mm. 

 wide. 



Average length of three longer petioles 8'58 mm. 

 ,, shorter ,, 6*58 mm. 



Measured seven days after germination. 



