480 Scientific Intelligence. 
In Dicotyledons, the ray-cells are united to the vessels by means 
of pores which sometimes attain a surprising size. Finally, 
e . The decisive plant to study in this 
regard is Sidaleea diploschypha. And we beg seeds of this from 
our Californian correspondents, that we may place them in the 
hands of the proper investigators, A, G. 
2. Flora of the Southern United States.—The crying want has 
at length been supplied. Dr, Chapman has brought out a second 
edition of his Flora of the Southern States east of the Mississipp!. 
The preface to the new issue has the date of December 26, 1882. 
The Supplement was printed and some copies distributed at the 
