66 Scientific Intelligence. 
the fronds and downward into the axis. In other respects they 
present many important points of difference, as in the free anasto 
moses of the fibro-vascular bundles, and the formation of a woody 
circle surrounding the central cellular axis, which, however, is 
partially represented in certain Palms (vide plate xi), as Huterpe 
tinctly separates the central, in which the cellular tissue predom 
Palms the entire bundle enters the frond. “I need scarcely remark 
that there are also important differences in the minute structure of — 
oody bundles of Ferns and Palms, the former being much 
now.” (p. 28-29.) | 
The analogies between the monocotyledonous stem and that of 
Nymphea is next referred to, and also of Cacti with Cycas. — 
More practical is the author’s correction of the current statement 
that Cycas has a circinate vernation, whereas C. circinalis and all 
the rest have a perfectly straight vernation, with only the leaflets — 
involute. A. Ge o@ 
15. Flora Brasiliensis.—Fasciculus 53, issued in April last, 
contains the Polygalew, by A. W. Bennett of London, 82 pages of : 
letter press and 30 plates, a liberal allowance. Polygala 8 
more important than they seem to subsequent authors; also, the 
floral structure of Polygalee most resembles Sapindacee. But, ; 
in fact the order is very peculiar. 
