220 
eulis parvis omnibus contiguis. 2) Spicula infima 
subbasilari longe pedunculata: C. Rossii Boott, Ill. p. 99. 
t. 295. — Fendler pl. Novo-Mexican. no. 889. 3) Utri- 
enli rostro elongato: C. lucorum Willdl.e — Kunze, 
Suppl. t. 39, 
#. Digyna; utrienlis biconvexis. 
America septentt. et boreal. (Saskatschawan, E. 
Bourgeau.) 
338. C. nigro-marginata Schwein. (emend.) 
Caespitosa; rhizomate parum elongato descendente ; 
culmis numerosis valde inaequalibus capillari-selaceis in- 
firmis denique nutantibus 1--5 poll. alt. triangulis superne 
seabridis, basi vaginis sanguineis subreticulato-fissis tuni- 
eatis; foliis firmis pallide viridibus longe acuminatis su- 
perne flexuosis carinatis, supra aspernlis, margine serru- 
latis, Y/—1 lin. lat., annotinis culmo multo longioribus; 
spieulis saepiss. 8 in apice culmi confertis parvis atropur- 
pureis concoloribus paueifloris sessilibus, mascula non 
raro subocculta; bracteis squamiformibus basi amplecten- 
tibus, infima interdum setaceo-foliacea; squamis brunnes- 
centi-purpureis dorso margineque pallidioribus: masculis 
oblongis acutiusculis, foemineis oblongo -ovalibus acutis 
v. obtusiuseulis; utrieulis pallide viridibus squamas sub- 
aequantibus 1?/, lin. long. ellipsoides ingequakter trigonis 
longe stipitatis longiusque rostratis, ore bidentieulatis, 
subtiliter pubescentibus. 
©. nigro-marginata Schwein. — Boott, 99. 1. 296. -- 
©. Iueorum Sartw. no. 106 (non Willd.) 
#. Subdigyna; spieulis pallidis; utrieulis v. plano- 
convexis v. trigonis; stigmat. saepiss. 2. 
