1895. ] Notes and News. 127 
American plant, by ae as a distinct species, being described by De- 
Candolle as M7. guttatus. In Bentham’s revision of the order for the 
Pro us, however, bot forms were referred to M. luteus, and in the 
set apart later in the Supplement as distinct. Professor Greene finds - 
the North and South American plants sufficiently distinct, and also 
discovers that AZ, Lansgdorfit Don is the oldest name for the North 
och tee plant. The name M. luteus, therefore disappears from our 
flora, and M. La ete remains as the name of the somewhat poly- 
ngorphous aggregate 
Mr. J. C. Wituis published his third paper on “gynodice ” in 
Proc. Cambridge (Eng land) Pil. Soc., Nov. 1893, a paper pick has 
just come to our han His further experiments indicate that the 
strong tenden bey to gyno odicecism and gynomoncecism shown by ma 
plants, notably the Labiatz, seems to be a nares outcome of dichog- 
amy, and has to do with differences of nutritio He considers that 
our present tae of morphology the constant use of sex terms in 
connection anh Senrnietics structures will be abandoned. 
THE Annals Us Botany for December might a styled an American 
number, as four of the six papers are by American botanists. The 
papers of Bradle M. Davis and D. M. Mottier are coped else- 
where in this journal. In addition to these F. C. Newcombe writes 
growing point of the root is | sensitive, that induction follows schttation, 
and that the result. the facts in the case 
that wah been recorded by other observers are abosd to be consistent 
With this explanation. 
