_ coriaceo inferne 6 mm. crasso. Limbi in sicco memb! 
160 
ularly in No. 137, spores which reach a diameter of 40-41 micro- 
millimeters. My type specimens attain 54-56 microm., but I see 
that there is great variety in the dimensions of the spores. I also 
see that the diagnostic value of the terminal cells of the leaves is 
purely relative, as in my type specimens the point is very much 
developed, whereas in your specimens it is shorter, and the upper 
leaves near the perichetium have not the prolongation into a 
uniserial set of cells. I find the cochleariform base of the leaves 
and the long defluent neck of the capsule, as well as its small size 
and pale color, more constant characters.” 
These observations agree with my own, only I should add 
that the tips of the leaves vary even on the same plant, those of 
the younger branches being more filiform pointed than the lower 
ones. c 
The species has now been collected in five localities. The : 
type is from the Cascades of the Rigi, near Clear Lake, Washing- 
ton, Roll. It has also been collected at Weston, by Roll, on 
Alnus rubra, Nooksack River, Whatcom county, Washington, 
by W. N. Suksdorf, 1890;-on trunks of Hemlock (/sug@ 
Pattoniana) Traille River Valley, Idaho, No. 234, by J. B. Leiberg, 
besides Macoun’s locality at New Westminster Junction, British 
Columbia. 
New Piperacee from Bolivia. 
By C. DE CANDOLLE, 
PEPEROMIA R. & Pav. oy 
= : ee es 
P. PSEUDO-RUFESCENS, glabra foliis modice petiolatis rotundatae — 
Ovatis noveninerviis nervo centrali paulo supra basin alterno- — 
tim nervum utrinque unum mittente lateralibus nervis fete: = 
medio bifurcatis, amentis oppositifolius modice peduncula™ a 
ipsis florentibus quam folia brevioribus in sicco rufescentiDUs 
subdensifloris, bractea orbiculari fere centro peltata ovarlo — 
emerso globoso-elliptico apice imo stigmatifero stigmate . : 
carnoso rotundato puberulo. oe 
In Bolivia prope Cochabamba (Bang n. 1148* in n. herb. Co- 
lumb. Coll.) a 
Herba erecta? inferne radicans caule in sicco complanate 
