522 Serentific Intelligence. 
were a tedious task; the following esti will suffice. Thlaspi 
alpestre, Clayt Chamissonis, Cercocarpus parvifolius (an 
e in uremen he onl e), odanthun, 
Brickellia Californica, Solidago Guiradonis and its variety, 
Solidago pumila, Franseria Hookeriana, Antennaria alpina, ete. 
These are examples of exact copying. The instances where the 
copying is as real, though the wording is slightly varied, are much 
more numerous. One cannot but wish, for the honor of American 
Botany, that when Dr. Porter said that “the plan followed in the 
Synopsis is that of Mr. Watson,” he had added, ‘ ‘and much of the 
descriptive matter is also taken "from the same wor 
Danrex C. Eaton. 
New Haven, April 3d, 1874. 
t the principal collaborator in Mr. Watson’s volume should 
call sgicaion to the scanty acknowledgement of the free use made 
of it is natural. at volume is a model in its way, and cost an 
preface. was sxiieek sboiial on Professor Porter’s part, we were 
perfectly confident. The assurance received from him that it was 
a pure sr hahaa is accompanied by the expression of sett “ sin- 
th e oes vine. Observations were made on one or more gauges 
several times daily, and -eovasionally inet hour of the son and 
uly. 
the —— below zero, so th is: there re was indicated a powe 
suction into the tree, and —- rapidly with the sun, until the 
Salinas. oaianete was ient to sustain a column of water 
change represent nted by more than 44 feet of water. 
oe — 22d the change was still greater, requiring ae 
