GRASS FAMILY KH 



Logs. — Bakersfield, Vary 1895; Los Angeles, llassc ; Pasadena, Jones 3216; Pcilley Sta., 

 Eecd 112S; San Jacinto, Eassc ; San Diego, Orcutt. 



Bet".— AiusTiDA DiVAlurATA llumb. & Bonpl.; Willd. Enum. PI. 1: 99. 1S09. 



5. A. parishii Ilitchc. n. sp. Perennial: eulms tufted. 1 to 2 feet high, 

 sniool li : sheaths smooth, eiliate at the throat ; bhules aseeuding, firm, fiat or 

 more or less involute, scabrous on the upper surface, smooth below or sca- 

 brous toward the tip, i^ to 1 line wide, 6 to 12 inches long; panicle naiTow, 

 about (5 inches long, the branches rather stout, ascending or appressed, the 

 lower 1 to 2 inches long; glumes somewhat luienual, short-awued, smooth or 

 seabrou.s on the keel. 1-nerved or the first 3-nerved, the second a little longer, 

 C) lines long; lemma a little shorter than the second glume, very scabrous on 

 the upper half, the neck rather stout, not twisted, the awns ascending, tlie 

 central about 10 lines long, the lateral a little shorter. — (Perennis, caespitosa. 

 1-2 ped. alta, glabra ; vagina ore ciliata ; laminae firmae planae vel plus minus 

 involutae, supra scabrae, I/2-I lin. latae, 6-12 poll, lougae; panieula angusta. 

 circa 6 poll, longa, ramis ascendentibus: glumae sid)aefpiales, breviter aristatae. 

 1-nerviae vel prima 3-nervia ; lemma glumis brevius. parte siiperiore .scaberri- 

 minn. aristis ascendentibus. intermedia circa 10 lin, longa. quam ceteris 

 breviore.) 



Type in the II. S. National Herbarium, collected by S. B. & W. F. Parish at 

 Agiia Caliente. Colorado Desert. xVpr., 1882 (no. 102!)a). Other specimcMis 

 referred to this species are: San Diego, Clevelaiid : Oohnila Creek. San Jacinto 

 For. Res., Leiberg 3188; Jurupa Hills, M'ilder 10471/^. Differs from A. divari- 

 cata chiefly in the shape of the panicle, the branches being short and appressed 

 instead of long and divaricate. 



(). A. californica Thurb. Perennial; culms cespitosc nuich-branehed at 

 i>ase, 6 inches to 1 foot high; blades short, involute, sharp-pointed, i/o to V,-, 

 inches long ; panicles numerous, loose, 1 to 2 inches long, the few branches few- 

 flow(>red : gliunes smooth or tlie first slightly scabrous near apex, 1-nerved. 

 awnless, une(|ual, the fir.st -t lines long, the second about twice as long; lennna 

 3 lines long, smooth, except the short-pubescent callus, nearly 1 line long, the 

 narrowed apex articulated M-ith the slender, spirally twisted, 9 lines long neck 

 of the awns; awns equal, spreading, about 1 iiudi long. 



Deserts of southern California, Arizona and norlborn ^Texii'o. The Needles, 

 Jo)ir.<i 68a; Borrego Springs, limndcgcc 10(). 



Rofs. — Abistida cALiFonNiCA Thurb.; Boland. Trans. Cal. Agr. See. 1,S4. 1864, nonicn 

 nudum; Thurb. in Wats. Bot. Cal. 2: 289. 1880, the original specimens cited are: Colorailo 

 Desert (Schott) and Fort Mohave (Cooper). Var. fugitiva Vasey, Contr. Nat. Herb. .S : 

 49. 1892, type from the Colorado Desert, Orcutt 1486. .-(. joncsii Vasey, 1. c. 48, as a synonym 

 under A. californica. 



7. A. purpurea Nutt. Perennial; culms erect, about 2 feet high; blad(>s 

 flat or involute, 2 to 5 inches long; panicles 4 to 6 inches long, rather loose; 

 branches and j)edicels slender, more or less rcvnn-ved ; ghnnes unequal, smooth, 

 ■short-awned, 1-nerved, the first 3 lines long, the second about twice as long; 

 lemma about 6 lines long, purple, strongly scabrous in lines, the apex some- 

 what narrowed, flattened and sliglifl>- twisti^l: ;i\viis equal, atiout l^'i inches 

 long. 



Plains and deserts, southern California to Texas and northern Mexico. 



Locs. — San Bernardino, Parish 212:5, 3668; Mcntone, Leiberg 3295; Jurupa Hills, IVilder 

 1047; The Needles, Jones 64a: Riverside, Seed 1129; San .Tacinto, Parish Bros. 1549; Fall- 

 brook, Parish 2242. 



Eefs. — Akistida purpurea Nutt. Trans. Am. Phil. Soc. 5 : 145. 1837. A. aequiramea 



