MACKENZIE: NoTes ON CAREX 611 
south as the northern part of California. It is one of the species 
of the C. festiva group with the scales dark colored at maturity, 
and the perigynia strongly plano-convex. In general it is most 
closely related to Carex pachystachya Cham., but it is a more 
slender plant with looser inflorescence and less spreading perigynia 
and narrower lighter-green leaf-blades. In Carex pachystachya, 
too, the culms make their growth and flower in the same year, 
and the white hyaline band of the leaf-sheath is very conspicuous. 
Another widely distributed plant of the same region is Carex 
Preslii Steud. (Carex multimoda Bailey). In its deep green foliage, 
habit of growth and leaf sheaths it closely simulates Carex pachy- 
Stachya, but it has a looser inflorescence like the present species. 
From both Carex olympica and Carex pachystachya it differs in 
the reddish scales and reddish tipped perigynium beak, which, 
although slender at the top, is serrulate more nearly to the apex. 
SPECIMENS EXAMINED 
CaLirorNIA: Humboldt County, 3,000 ft. alt., Tracy 3390, 
July 7, 1911 (K.M.); Sisson, Siskiyou County, 3,500 ft., Hall & 
Babcock 4063, June, 1903 (Cal.). 
OREGON: Meacham, M. E. Peck 39, July 18, 1915 (K.M.); 
E. Hall 585, 1871 (N.Y.). 
WASHINGTON: Falcon Valley, Klickitat County, Suksdorf 6254, 
July 1, 1908 (K.M.); Seattle, E. C. Smith 996, June 12, 1890 
(Piper); Bingen, Suksdorf 2617, June 26, 1896 (K.M.); Chiquash 
Mountains, Suksdorf 3143, September 7, 1898 (K.M.); Sequin, 
J. M. Grant 701, 703, 709 in 1915 (K.M.); Olympic Mountains, 
Elmer 2700, June, 1900 (N.Y.). ; 
‘BritisH: CotumsiA: Roger’s Pass, Henry, June 27, 1913 
(Henry); Castlegar, Kootenay, Henry, June 14, 1914 (Henry); 
Carbonate, Petersen 366, July 16, 1904 (N. Y.); Chilliwack Valley, 
Macoun 26648, June 20, 1901 (N.Y.); Comox, Macoan 349, June 
21, 1893 (C.). 
* Carex amplectens sp. nov. 
Cespitose, the culms 5-8 dm. high, exceeding leaves, aphyllo- 
podic, triangular, stiff, slightly roughened immediately beneath 
head, brownish at base; sterile shoots with well-developed tall 
culms. Leaves with well-developed blades four to six to a fertile 
