6 Rhodora [JANUARY 
plant and its relation to the more northern S. atrocinctus; and, since 
Mr. Long has on other occasions shown keen discrimination in his 
study of the Cyperaceae, it is a pleasure permanently to associate 
his name with the new 
Scrrpus Longii n. sp. Planta robusta; culmis 9-14 dm. altis ad 
nodos lucidis; foliis viridibus vel glaucescentibus 3-8 mm. latis 
marginibus carinulaque serrulatis, basilaribus copiosis confertis 
basi plus minusve nodulosis, caulinis remotis; cyma umbelliformi 
irregulariter supra decomposita saepissime opulenta 1-1.8 (rare 3) dm. 
alta, radiis scaberrimis, longioribus 2-6 erectis, brevioribus numerosis 
patentis vel arcuatis; involucro 2-3-phyllo, phyllis umbella breviori- 
bus vel eam subaequantibus basi nigrescentibus glutinosisque; involu- 
cellis nigrescentibus; spiculis ellipsoideis obtusis 4-8 demum 6-10 mm. 
longis, lateralibus longe pedicellatis; squamis nigrescentibus carinato- 
convexis oblongis obtusis 2-3 mm. longis; setis albescentibus sub- 
tilissimis tardius longe exsertis crispo-flexuosis glabris; stylo exserto 
pertenui longe trifido, ramis 1-1.5 mm. longis; antheris linearibus 
1-2 (rare 2.5) mm. longis; achenio ellipsoideo-obovoideo trigono 
circa 0.5 mm. longo castaneo vel badio. 
Plant robust: culms 9-14 dm. high, lustrous at the nodes: leaves 
green or slightly glaucous, 3-8 mm. wide, serrulate along the mar- 
gins and the narrow keel; the basal numerous and crowded, more 
or less nodulose toward the base; the cauline remote: cyme umbelli- 
form, irregularly decompound, usually very full, 1-1.8 (rarely 3) dm. 
high: rays scabridulous; the longer 2-6, erect; the shorter numerous, 
spreading or curved: involucre of 2-3 leaves; these shorter than or 
` about equaling the umbel, blackish and glutinous at base: involucels 
blackish: spikelets ellipsoid, obtuse, 4-8, becoming 6-10, mm. long; 
the lateral long-pediceled: scales blackish, carinate-convex, oblong, 
obtuse, 2-3 mm. long: bristles whitish, extremely slender, finally 
long-exserted, crisp-flexuose, glabrous: style exserted, deeply trifid, 
the branches 1-1.5 mm. long: anthers linear, 1-2 (rarely 2.5) mm. 
long: achene ellipsoid-obovoid, trigonous, about 0.5 mm. long, chest- 
nut- or reddish-brown.— Meadows, swamps and fresh marshes, often 
in shallow water, Norfolk County, Massachusetts, and Burlington 
and Camden Counties, New Jersey. TYPE: northeast of Andrews, 
along Great Egg Harbor River, Camden County, New Jersey, June 
18, 1910, Bayard Long, no. 4014 in Gray Herb. (duplicate in Herb. 
Acad. Phila.). Other material studied from MassaAcHusETTs: Bos- 
ton, C. E. Faxon; swamp, Chamberlain lot, Dedham, June 3, 1900 
(fl.), F. F. Forbes; damp ground, Charles River Meadows, Dedham, 
June 26, 1908 (old fruit), F. F. Forbes. New Jersey: edge of the 
Pine Barrens, growing in water, Sicklerville (— Andrews of Long's 
label), June 18, 1910, Witmer Stone; Andrews, June 18, 1910, B. 
Long, no 4008a (form with condensed inflorescence); southwest of 
Williamstown Junction, June 18, 1910, W. Stone, B. Long, no. 4039. 
