90 BOTANICAL GAZETTE. 
SE ee 
brevibus, subinde 1-13 poll. longis. Squamis membranaceis, 
purpureis, hyalino-marginatis, trinerviis; masculis oblongis vel 
obovatis, obtusis vel breviaristatis; femineis lineari-lanceolatis, 
truncatis vel acutis, plus minus aristatis; arista pallida, lata, 
marginibus serrata. Perigyniis membranaceis, stramineis ve 
ferrugineis, circa 2 lin. longis, 1 lin. latis, ovalibus vel obovatis, 
abrupte cylindrico-rostellatis, rostri ore pertuso, integro vel emar- 
ginato dilatato, antice planiusculis, dorso convexo angulatis, paucl- 
nervatis, maturitate apice inflatis, divergentibus scabris, margin- 
ibus ciliato-dentatis, squamis latioribus longioribus vel (arista) 
brevioribus. Achenium castaneum, triquetrum, ovoideum ve 
obovoideum, stylo equali apicatum, stipitatum, perigynio } bre- 
vius, et eo laxe inclusum. Stamina 3, et (f. Drejer) 4. Stig- 
mata 3—2 
Arizona, Lemmon, April, 1880. Pringle. M. E. Jones, 
1882. Littorum maris Mediterranei in Europa et Africa incola. 
laucous. Rootstock thick, woody, clothed with dark im- 
1-33 inches long, slender, contiguous, sessile or short peduncled, . 
the lower sometimes grouped in threes; the rest female, or 
or male at top), 
times remote, rarely attenuated at base, nodding, peduneled. Pe- 
duncles generally short, ee 
branous, purple, hyaline-margined, three-nerved ; the male oblong. 
or obovate, obtuse or abruptly short-awned; the female lineat- 
lanceolate, t : 
t 2 lines long, 1 line broad, oval a S 
tly cylindrically short-beaked ; the orifice of #¢ — 
ak open, entire or emarginate, dilated ; nearly flat on the in A 
face, angled, few nerved on the outer, inflated at maturity, 22° — 
diverging, rough, the margins ciliate toothed, broader, longer;9% 
including the awn, shorter than the scales, Nut chestnut, three- — 
