280 PITTONIA. 
mutual understanding or agreement, one after another, placed 
ourselves under obedience to the simple law of priority in 
nomenclature; and, be our action commendable or be it 
deprecable, it does, we confess it, place us in contrast with 
the earlier generation, whose misfortune it may have been to 
have had us in training. 
BARON VON MUELLER ON EARLY BINOMIALS. 
At the time of my writing the paper on Ray’s Catalogus, 
while I was well aware that Baron von Mueller approved the 
restoration of the names of old authors, I did not know that 
he had written so much or so strongly on that subject as he 
has done. In a recent letter he has kindly called to my notice 
pages 37 to 40 of his first paper on Papuan Plants, published 
in 1875. Iam glad to be able to invite the attention of other 
American botanists who may not have read them, to these 
pointed suggestions, and especially to the extended list there 
given of binary names adopted by Linneus from earlier 
botanists. 
New or NOTEWORTHY SPECIES. 
IV. 
UNIFOLIUM sESSILIFOLIUM (Nutt.) Greene. A foot or two 
high, the upper two thirds of the flexuous stem horizortally 
or somewhat areuately spreading, the leaves distichous.— Bull. 
Torr. Club. xv. 287: Smilacina. sessilifolia, Wats. Bot. Calif. 
ii. 161, in part, but there confused with the following : 
UNIFoLIuM LíLIACEUM. From 14 to 34 feet high, strictly 
erect, not at all flexuous, nor the leaves very perceptibly 
