248 CYPERACE.E. Carex. 



acute, 3-nervecl at l)ase : perij;;yniuin olive-colored, triangular-ellipsoidal, tin;L;id, 

 abruptly ending in a cylindrical purple beak with an oblicpiely cut entire conspicu- 

 ously hyaline oritico, nerved, divergent, huiger tlian the scale : nutlet olive-colored, 

 triangular-obovoid. — Boott, 111. i. 21, t. 57. C IlaUeyana, l)e\vi!y, Am. Journ. 

 Sci. xi. 313, t. ^', tig. 43. 



Swamps near ireiuloL-iuo City (Bolandii; ii. 4741) ; alho eastward from Massaduisetts to Peim- 

 sylvaiiiu. 



G3. C. amplifolia, r>in)tt. Stem 2^- to 3i feet high, shar[)ly wing-angled, sca- 

 brous : leaves lanceolate, exceeding the stem, 5 to 8 lines broad : brads 4 or f) lines 

 broad, the lower two longer than the stem, the lowest sometimes with a sluiath ^ 

 to 1 inch long : spikes 5 to 7, cylindrical, the one male purple and peduncled, 



2 to 3i inches long and 2 lines thick, the female ferruginous, U to 3^ inches long 

 and 2 or 3 lines thick, the upper subsessile, the lower peduncled, densely or at base 

 loosely flowered, the lowest occasionally remote on a scabrous peduncle G to 14 lines 

 long; scales ])urple, pale in the middle, membranous, 3-nerved, oblong, the male 

 obtuse or short-cuspidate, tlie female ema'rginate, with a longer cusp : perigynium 

 membranous, ferruginous, ellipsoidal, ventricose, glabrous, abrujitly beaked, the beak 

 l)ale below and purple above with an oblique entire hyaline orilice, nerveless, reticu- 

 late, divergent, longer antl broader than the scale : nutlet triangidar-ellipsoidal, 

 chestnut-colored with pale angles, apiculate with the eidarged base of the style. — 

 Hook. Fl. Lor.-Am. ii. 228, t. 226, and Ilk i. 17, t. 48. 



In the Siena Nevada; Mariposa Giovo {Bolaiulei;.n. 5011); Phnnas County (Mrs. Auslin); 

 northward to Oregon and Northern Idaho. 



64. C. Cherokeensis, 'Schwein. Stem I to 3^ feet high, slender above, smooth: 

 leaves flat, 1.'? to 2 lines broad, hrm, shorter than or equalling the stem : lower bracts 

 sheathed, sometimes ecpialling the stem; sheaths 1 to \\ inches long: spikes 5 

 to 11, pale, oblong-cylindrical, the 2 or 3 male 8 to 20 lines long and i to 1 lino 

 thick, the upper largest and rarely female at base, the lowest bracted ; female spikes 



3 to 9, 6 to 20 lines long and 3 or 4 tliick, sometimes male at top, remote, the upper- 

 most often sessile, the rest oxsertly i)edunch'd and nodding, simple or the miihllo 

 spiko of 2 or 3 clustereil spikelets ; lower peduncle 2 or 3 inches long, setaceous, 

 .scabrous ; scales lanceolate, the male obtu.se, the female acute, acuminate or hispidly 

 cuspidate : perigynium membranous, pale straw-color, ovoid or lanceolate, attemiate 

 to a short beak with an obliquely cut entire hyaline orifice, inflated, obsoletely 

 nerved, smooth or sparingly toothed on the upper margins, longer and broader than 

 the scale : nutlet triangular-obovoid with concave sides, loosely invested by the peri- 

 gynium and half as long, punctate. — Schwein. & Torr. Mon. Cyp. 369, t. 25, fig. 1; 

 I)rej. Symb. 25, t. 12; Ijoott, 111. i. 31, t. 79. C. Chi-isti/a)(,a, Uoott, iJost. Journ. 

 Nat. Hist. V. 115. 



On Santa Rosa Creek [Thurbcr) ; eastward, from Alaliama to Texas. 



65. C. Whitneyi, Olney. "Whole jjlant exce[)t the perigynium and scales 

 whitish or glaucous |tul)escent, the sheaths densely so : stem 1 to 3 feet high, erect, 

 acutely triangular : leaves 3 or 4 lines wide, shorter than the stem : bracts shorter 

 or the lowest a little longer than the stem : s})ikes 4, rarely 3 or 5, erect, whitish 

 green, the terminal male (larely 2), oblong or cyliudni:al, rarely peduncled, the rest 

 f(!raale, without sheaths, rather loo.sely flowered, oblong, contiguous, the lowest 

 })eduncled, rarely remote o\\ a very long-exserted jjeduncle; scales nuunbranous, 

 ovate, cu.spidate, ciliate at the apex, 3-nerved, green in the middle : perigynium 

 oval, acutely 3-angled, rostrate with slightly oblique emarginate hyaline orifice, 

 nerved, smooth, huiger than or equalling the scale : nutlet ovate, acutely trique- 

 trous, conformed to and nearly as long as the perigynium, dark chestnut-colored. — 

 Proc. Amer. Acad. vii. 394. 



In tlie Sierra Nevada, <>m dry Idllsides ; Marijjosa to Calaveias Counties, Ilirwcr, JloUnn/ci: 



