84 MALLOW. 
some artistic delineations the singular Howittia trilocularis (Fig. 
XXXVII.) is chosen, one of our rarest plants, dedicated to Dr. 
Godfrey Howitt of Melbourne, the writer of a list of plants of 
Nottingham many years ago. 
Howittia could be included in Abutilon, were it not that. the 
fruit is three-celled (not five- or more-celled) and that the 
Fie. XXXIX, 
If 
Y ; AY Yj 
Wf Ys diy VK ah 
(fe) 
Zi 
Fic. XXXIX.—(Brachychiton populneum).—1, cluster of stamens ; 2, pistils 
surrounded by stamens; 3, a seed with its hairy cover; 4, a seed deprived of the 
cover; 5, longitudinal section of a seed; 6, transverse section of a seed; 1 and 
2 considerably magnified, 3-6 natural size. 
