226 



BLACK MULBERRY 



vary much in size (9 15 x 7 15 cm.) and shape, but are 

 larger and rougher than in M. alba ; petiole about 1 2 

 cm. long, usually more cordate at the base, ovate-acute or 

 heart-shaped (resembling the Lime), or rarely cut to the 

 middle into 3 5 lobes, which are often again cut, or 



Fig. 78. Mulberry, Morus alba, p. 224 (Ett). 



obtuse and coarsely and unequally serrate. Upper surface 

 harsh, scabrous pubescent; lower with short soft hairs, or 

 both surfaces velvety. Stipulate. Petiole milky, pubes- 

 cent, about i the length of the midrib, hardly grooved. 

 Young leaves hairy beneath. Venation as in M. alba. 



