52 
corona 2 lines long; awn about an inch long, slender, bent mostly below the middle 
and minutely scabrous; upper palet about half the length of the lower; stamens 35 
anthers naked.—Southern California. 
8, S. speciosa Trin. & Rupr. (Bot. Cal. u. p. 284.) ‘Culm 1 to 2 feet high; radical 
leaves half as long as the culm, the others much shorter, and with the sheaths min- 
utely puberulent ; upper sheath inflated, its leaf about 4 inches long, its ligule less 
than a line long, that of the lower sheaths minute and fringed; panicle 6 to 8 inches 
long, included below, contracted, its appressed rays mostly in pairs and 6 to 8 flowered ; 
glumes 8 or 9 lines long, nearly equal, long-acuminate and often lacerately 2-toothed 
at the apex, hyaline, the lower 3- and the upper 5- or indistinctly 7-nerved ; floret 5 
or 6 lines long, with a short callus; lower palet one-third longer than the upper, 
silky pubescent throughout, slightly but distinctly 2-toothed; awn 1} to 2 inches 
long, geniculate below the middle, plumose from the base nearly to the bend, with 
conspicuous white silky hairs 3 lines long, smooth above; anthers 3, beardless.”— 
California, Arizona and Nevada, 
Var. MINOR. Smaller than the type, sometimes with the folage yellowish. 8. 
chrysophylla Desv. ? 
Y, S. Parishii Vasey. Bot. Gaz. vit. p.32. Culms 1 to 14 feet high, leafy, especially 
below ; leaves conduplicate or involute, smooth, rigid and divergent; lower ones 6 
inches, upper ones about 3 inches long ; throat of sheath fringed with a few soft white 
hairs; ligule very short, upper sheath long, somewhat inflated and inclosing the base 
of the panicle; panicle about 6 inches long, open and somewhat spreading, except 
at the included base; lower branches in threes, upper in pairs or single, rather few- 
flowered at the ends of the branches and branchlets; longest rays about 2 inches; 
outer glumes linear-lanceolate, acute, 3-nerved, smooth, the lower one 6 to 7 lines 
long, the upper 5 to 6 lines, nearly twice as long as the flowering glume with the 
stipe (3 to 4 lines long), densely clothed with silky hairs longer toward the apex, 
bidentate, the teeth less than a line long; awn 9 lines long, smooth below, scabrous 
above.—Collected in the San Bernardino Mountains of California by 8, b. Parish, for 
whom it was named. 
9. §. Scribneri Vasey. Bull. Torr, Club, x1. p. 125. Culms 2 to 3 feet high, 
stout, erect ; lower leaves as long as the culm, smooth, flat below, becoming involute 
at the long acuminate point; upper sheath inclosing the base of the panicle, which 
is narrow, erect, and 6 to 8 inches long, the branches in twos or threes and appressed ; 
outer glumes unequal, lower one 6 to 7 lines, upper about 5 lines long, both 3-nerved, 
acuminate; flowering glume 3 to 5 lines long, hairy ; hairs longer above, and at the 
apex forming a white crown a line or more long ; awn rather slender, 8 to 9 lines long, 
not hairy; stipe short, very acute, pubescent ; palet less than a line long, obtuse and 
adherent to the grain, 
Differs from S, viridula particularly in the unequal glumes, the hairy-crowned 
flowering glumes, the more slender awn, and the very short palet.—Collected on dry 
hillsides at Santa Fé, New Mexico. 
C. Panicle open, the lower branches spreading. 
11. S. comata Trin. & Rupr. (Bot. Cal. ui. p. 285.) ‘Culms 1 to 4 feet high, 
stout, mostly scabrous; leaves involute, roughened, the radical one-fourth to one- 
third the length of the culm, the leaves of which are much shorter, the uppermost 
very small or reduced to a mere sheath; ligule conspicuous, acute, 2 to 3 lines longi 
sheaths loose, the uppermost somewhat inflated, smooth, at length shorter than the 
internodes ; panicle included at base by the upper sheath, open, 8 to 12 inches long ; 
rays ternate or in pairs, distant, few-flowered ; glumes about an inch long, nearly 
equal, 5-nerved, with a long subulate point; floret (including callus of 2 lines) 6 lines 
long, readily deciduous; lower palet rather sparsely pubescent with coarse hairs, but 
with no distinct corona ; awn 4 to 6 inches long, seldom distinctly geniculate, scabrous, 
especially above, shining, variously curled and twisted, soon deciduous; upper palet 
