Notice of a Flora of North America. 277 
exert a beneficial influence on the botany of our country. We 
shall notice, very cursorily, the contents of the recent number, 
which commences the Monopelalous Hxogenous plants, and com- 
prises the orders Caprifoliacea, Rubiacea, Valerianacee, Dip- 
sacee, anda part of Composite ; viz. the tribes Pibessuliondets 
Eupatoriacea, and the first subdivision of the tribe Asteroidee. 
In Caprifoliacez, we have two new species of Symphoricarpos, 
collected at California, by Mr. Nutttall, and described from his 
MSS., a new species of Lonicera, from Arkansas, and a species 
of Sambucus from Oregon. The order Rubiacee, consists of 
three sub-orders, being, 1. Stellatew, R. Br.; 2. Cinchonea, (ord. 
Cinchonacee, Lindl: ;) and 3. Leganiee, R. Br. 
«In the first sub-order, two new species of sei pee are descri- 
bed ; and in the second, a species of Spermacoce, also a species 
of Bares and a new Hledgatiss (2) from ital which, on 
account of the } ers, our authors are inclined to 
consider as the type rola mew gems With reference to the 
or is —— se 
“In thus apppading igi ron, mw pone Glies 6 Rublacor, 
(which seems inevitable when we compare Ophiorhiza with Mi i itreola, 
a portion of Hedyotis with Calostylis, &c.,) we trust we are follo ig 
the indications thrown out by the most profound botanists v who | rOposec 
the order or tribe, (Appendix to F linders, 2, p. 564, and Tuckey's 
Congo, p- 448 ; ;) although it is still no less true than when Mr. “Brown 
first made the remark, that there are no satisfactory characters known 
to distinguish Rubiaceae from ws eb oe ag 
Now, if it be difficult: to assign any arbitrary 8 Sil by 
which Rubiacee may be decidedly distinguished from 
nace, it certainly does not seem desirable to keep up a -diatines 
order, intermediate between the two, and, in this view, we think 
the arrangement of Drs. Torrey and Gray very judicious. - It 
may be said, that, upon this principle, Spigelacee must be -re- 
united with Gentianacee, and that even the latter are very 
hearly related to Apocynacee, though possessing sufficiently ob- 
vious distinctions... We do not pretend to anticipate what course 
‘May be taken by the authors, when these orders are under their 
consideration ; but we incline to the opinion that there is, upon 
the whole, Jess. one inconvenience »in regarding all. very 
close alliances, suc 
such, at least, rged, in the in- 
it, as they hai 
