408 POACK/K. 



mm. lonj,'. villous oji tlie lower liulf of tlic :» proj('('tiii<,' iicrvcd. 

 iiK'liidiiig two iiitennetliate teeth; paleii oviil, revolule tit the 

 base, as loujif as its {jliime. 



r. S. J >(•/>( . Jf/n'nil. hA'i (no locality); ^fassaohusotts, ('oalci/: 

 Illinois. ('(Kih'i/: District of C'olumhia, Mi-C<(r//n/; Florida. Cur/iss 

 3454, ,f. K. SnuiU. 



Dry or sandy fields, Massachusetts, Xcw York, to Texas. A 

 grass a])part'ntly of \wo\' (|uality for |)asturc or meadow. 



0. S. pulchella (H. H K.) Kuntze. I{ev. {Wax. 1M. 2:780 (isni). 

 Triodin puh-ln-Jhi 11. 1?. K. Nov. Ct-n. 1: XryTy. I. 47 (1815). /w/'- 

 leria piihhi'lln S|)ren<(. Syst. 1 : IJ'i'i (I'^'U). I'rnh'pis piihlit'lh/ 

 Kuuth. Kev. CJram. 1: 1(»S (lS-.>!»). 



A densely tufted yellowish or whitish j^n-ecn jrrass. 0-4 <'m. high. 

 Culm scabrous, very slender, braiiching or stoloniferoiis. Leaves 

 of sterile shoots glaucous, recurved, involute. 1-3 cm. long. 0.4-0.5 

 mm. diam. Panicle spicate in umbellat(f clusters, terminating the 

 leafy branches. Spikelcts flattened, ovate-oblong. <j-!)-flowered. 

 9-11 mm. long; empty glumes sube(pud, lanceolate, l-iu'rved. 0-7 

 mm. long; floral glume oiilong. pubescent with while hairs. 4-5 

 mm. long, apex bitid Jiearly half way to the base, with a straight 

 awn between and exceeding the lobes; palca oblong-spat ulate. cili- 

 ate on the keels. 4 mm. long. 



Arizona, Roflinirh' 5T5. I'riiHjIr in ISS2; /'. S. Ihjif. Ar/n'rul. 

 540; New ^fexico, HV////// '.*05!>; California (Los Angeles), Pahnrr 

 500, ()5'2, i:5r)!». 



Of the last. Dr. Palmer says : " l{are, in crevices of rocks on a 

 bare promontory. 1T85 feet above tbe sea-level." 



Texas to Arizona and California. 



Var. parviflora Vasey ined. 



Smaller in every way; leaves 1 cm. or less in length: spikelets 

 ;}_4.nowered ; empty glumes, flond glumes, and palcai a little shorter 

 than m the species. 



Southern California. Orrutt. 



Texas to California. 



10. S. congesta L. II. Dewey, Coult. Contrib. U. S. Nat. Herb. 

 2:538 (18!U). 



