242 CYPERACE.E. Carex. 



obovate, lenticular or oval ami triangiiliir, cliestnut-colored : stigmas rarely 3. — 

 Eeichenb. 1. c, t. 234 ; Boott, 111. iv/l(i3, t. 542-545. 



Saiitii Clara Viillcy, 1- miles fioni 8aii Jose, linUtiukr. Kroin Aictic America to the iioitliciii 

 Atlantic States, \V30111iug and Wa.'^liingtoii Tenitoiy; also in Euioi»e ami uorthera Asia. 



44. C. angustata, lioott. Densely cesi)itose : stem 2 to 3^ feet high, sharply 

 angled and vtiy acabruiis : leaves green or glaucous, 1 or 2 lines broad, scabrous, 

 shorter than the stem ; lower sheaths conspicuously iibrous-reticulate : bracts foli- 

 aceuus, without sheaths, the lowest shorter than or slightly exceeding the stem ; 

 auricles purple or ferruginous, small, round or oblong : spikelets 3 to 6, i to 3^ 

 inches long and 1 to 3 lines thick, tlie male 1 to 3 and contiguous, the female 1 to 

 4 (the upper or all male at top or to below the middle) contiguous or remote, sessile 

 or the lower peduncled and loosely flowered at base ; scales jnirple with green mid- 

 nerve, lanceolate, obtuse or acute : perigynium oval, ovate or elliptical, beakless or 

 gradually or abruptly short-beaked with entire or emarginate orifice^ com])ressed, 

 granular, smooth or rarely 1 - 2-toothed on the upper margins, nerveless or 1-4- 

 nerved, broader and longer or shorter than the scale : nutlet chestnut-colored, or1)icu- 

 lar. — Hook. Fl. Bor.-Am. ii. 218, and 111. iv. 173, t. 58G-588. C. strida, Torr.. 

 etc., not of Goodeuough. 



Oil the American River, anions; rocks (Bolandcr, n. 4534) ; also in Matilija Canon {Peckha)ii) ; 

 froia Canada to Florida and Texas, and in Colorado. 



45. C. senta, Boott. Stem (lower part wanting) 18 inches high, sharply angled, 

 scabrous : leaves glaucous, 2 lines broad, shorter than the stem ; lower sheaths pur- 

 ple, scabrous, the margins hhrous-reticulate : bracts without sheaths, narrow, the 

 lowest shorter than the stem ; auricles puri)le, roundish, small : spikes 3 or 4, ])ur- 

 ple, 1 to 1^ inches long, cylimlrical-oblong, densely flowered, erect; female two, the 

 upper sometimes male at top and in the middle, on very short included peduncles 

 (1 or 2 lines long) and enclosed at base in a purple sheath ; scales purple, pale in the 

 middle, oblong, obtuse or the nj)per acute or tii)ped with an abrupt short rough 

 mucro : perigyniuiu more or less purj)le, ovate, rostellate with entire orifice, com- 

 l»ressed, slenderly nerved, toothed on the upper margins, longer and broader thau 

 the scale: nutlet (immature) orbicular. — 111. iv. 174 (under C. anyustuta). 



Santa Inez Mountains, in canon 20 miles northeast of Santa Barbara, on road to the "Coal 

 Mines," Breiver, n. 3.'j0. Dr. Boott in mentioning the si)ecie3 simply notices the scabrous sheaths 

 and tlio toothed marr,'ins of the perigynium. 



46. C. lenticularis, j\richx. Cespitose : stem slender, 12 to 18 inches high: 

 leaves 1 or 2 lines broad, ))a]e, often longer than the stem : bracts foliaceous, often 

 sheathed, the lower much excelling the stem ; sheaths 2 to 8 lines long : spikelets 

 C or 7, ])urplish, cylindrical or clavate, the uppermost 8 to 12 lines long, often female 

 at top, simple or with a smaller one at base, the rest female or the upper sparingly 

 male at base, attenuate and loosely flowered, from 3 lines to H or even 3 inches 

 long and 1 to 1^- lines thick, crowded or a])proximate, sessile or the lower peduncled ; 

 peduncles 2 lines to Gh inches long; scales 1 - 3-nerved, oblong or ovate, (jbtuse, 

 purple with the middle and margins pale : perigynium pale, ovate and attenuate or 

 broadly oval and abruptly ending in a sliort cylindrical beak with entire orifice, 

 biconvex, stipitate, nerved, granular, longer and i)roader than the scale : nutlet dark 

 brown, oval or obovate, lenticular. — lioott. 111. i. 30, t. 77. 



In the Siena Nevada, in Y oscmHo VnUi-y (IManikr, n. filOS^) and at Silver ]/,i]ni (llrnr, ,-, 

 n. UO'Jlt) ; also by Krlloij,/. The species is found from Arctic America to the northern border ol ilie 

 Atlantic States, au.l was collected by Lyall in the mountains of AVashiugton Territory. 



47. C. salina, Wahl., var. minor, Boott. Bootstock creeping: stem 2^ to 5 

 inches high, obtusely angled, smooth: leaves pale, 1 to U lines broad, exceeding 

 the stem : bracts foliaceous, sheathed, commonly all exceeding the stem ; sheaths 1 

 to G lines long: spikes 2 to 0, erect, ellipsoidill, the single male 3 to ("> lines long 

 upon a peduncle lines long, the female 3 to 8 lines long and 1 to 1.', lines thick, 



