ses of articles which appear in i SL not ee . 
who have limited library facilities. Other botanists a1 
ially invited to contribute, both by sending material for 
partment, or by pointing out where it may be obtained. ee 
M. BoncarD. Mem. Acad. St. Petersb. VI. 2: 1832. & 
This paper is of special interest on account of the supposed — = 
occurrence of species first described therein within the western oe * 
boundaries of the United States, either in the moist regions of 
the northwest coast at low elevations, or on the high interior 
mountains. The custom of citing the title of the paper instead 
of the publication in which it occurred is now happily discon- 
tinued. The citation “Veg. Sitch.” refers to this paper. The 
figures after the specific name means the page number on which 
the description was originally printed. Translated from the 
Latin. 
PTERIS AQUILINA var. LANUGINOSA 176. Frond lanugi- 
V nose; the plant not otherwise differing from P. aguzlina. It has 
been observed that the frond of the European plant is frequently 
also more or less pubescent beneath, which evidently indicates 
a transition to the lanuginose state. . 
A specimen collected by Douglas on the coast of western 
North America and preserved in the herbarium of Prescott under 
the name of P. /anuginosa Kaulf. is quite similar to the Sitka 
plant. 
v EQUISETUM BOREALE 174. Frond sterile with simple 
branches, the branches smooth, triquetrous, teeth of the sheaths 
acute, black. 
Stem erect, angled, smooth, simply branched, about a ‘foot 
high. Branches triquetrous, smooth, about 3 inches long. 
