362 MAcKENziE: Notes ON CAREX—XII 
differences between the two species are well brought out in the 
figures (No. 356-8) in Gray’s Manual. 
In proposing specific rank for this plant I am glad to say 
that I have the cordial support of Professor Fernald and Mr. 
Bayard Long, both of whom are well acquinted with it in the 
field. 
’ Carex Richii (Fernald) Mackenzie sp. nov. 
Carex tenera Dewey var. major Olney, Exsicc. fasc. 2, No. 15 
(in part). 1870. 
Carex tenera var. Richit Fernald, Proc. Am. Acad. 37: 475. 
1902 
Carex hormathodes Fernald var. Richii Fernald, Rhodora 8: 166. 
1906 
Densely cespitose, the rootstocks very short-prolonged, 
black, fibrillose, the culms 6-10 dm. high, erect, but very slender 
to base, nodding, sharply triangular, very rough beneath head, 
exceeding the leaves, dark brownish at base and clothed with 
leaves of the year two to four to a culm, on lower fourth, but 
widely separate, the lower nodes ten exposed, the blades flat, 
LBP 2.5 mm. wide, usually 1-3 dm. long, long-attenuate, the 
eaths green striate ventrally nearly to mouth, the ligule 
eucroundtae the culm, short-prolonged beyond base of blades 
spikes four to eight, strongly separate in a moniliform, flexuous 
t 
the pistillate part drbicular to ovoid-orbiculur, 6-12 mm. long, 
6-9 mm. wide, rounded at apex, and with some twenty i ‘thirt rty 
oe. or spreading-ascending perigynia with conspicuous 
tips; r bracts setaceous, prolonged, the upper scale-like; 
scales eel ie and osiieneis brown tinged, acuminate 
or aristate from the s arp midvein, shorter and mu wi 
than the perigynia; perigynia very flat and thin except where 
distended by achene, membranceous, See or in age straw- 
colored, 4-5 ie long, 2.5 mm. wide, t he body suborbicular, 
and sessile at base, abruptly it ala hehe the flat, serrulate, 
red-tipped, obliquely cut dorsally at length bidentate beak, 
more than half lengt - y; ice lenticular, stipitate, 
oblong-obovoid, 1.5 mm. long, 0.75 mm. wide, yellowish-brown, 
apiculate; style slender, obweurel jointed with lalene: stigmas 
two, reddish, slender, short 
