A(»U(»STI|)K.K. 279 



6-8 cm. long, 4-7 mm. or moro broati, dciirfi', ohtu-so. soft, piilo 

 grtrii. Spikoluts 5-0 mm. long; t'in|tty gliimtvs nu-mln'anous, i-iliatu 

 on the kt'i'l only, ovate-lancicolate. uuimatt' iit the base; lloral glume 

 ciliatf, a.s long as the empty glumes, awn near the base and projeet- 

 ing half its length. Anthers iJ.rjinm. long. 



Massachusetts, />(n'/i'i/ ; Pennsylvania, (lurk V.H', ; Oregon, 

 llnnrll : Michigan, livan)"!. 



Found in Kurope. northern Afri.-a, western Asia; introduced 

 into America. Much cultivated in cool moist elinuites. For a 

 popular account see Vol. I, p. 15^. Fig. T",*. 



G. A. Californicus \asey, Mull, 'i'orr. Club, 15:i:j (ISSG). 



Culms more or less geniculate, 30-r>0 cm. high. Leaves of the 

 culm 5-0. sheaths over hall' as long as the iuternotles, the upper con- 

 siderably inilated; ligule obtuse. 3 mm. long, blades scabrid, the 

 upper ;i-0 cm. long, 3-4 mm. wide. Spike exsertcd. 'J-4 cm. long, 

 5-8 mm. wide. Spikelets oval, empty glumes ciliate, very slightly 

 united below, cllii»tical when spread, about 3..") mm. long; lloral 

 glume elliptical liefore opening, unitetl for half its length, ;i.8 mm. 

 long, awn attached one-third the way from the base, and iirojecting 

 about 4 mm. 



California, Dr. J. .1A. liif/ehir, Hohuuler, Dr. C. L. Anderson.-^ 



r. A. occidentalis Scribn. Coult. Jiot. Ciaz. 11:170 (1880). A. 

 prafi'iisis aJpeHfris Wald. Fl. Lapp. 21 (1812). 



A glaucous erect grass, 30-00-1)0 cm. higli. Sheaths much 

 shorter than the internodes, loose, but not inflated; ligule 1-2 mm. 

 long; blades flat, except near the tips, 5-15 cm. long, 4-7 mm. wide. 

 Spikelike panicle 2-3 cm. long, 10-15 mm. broad. Spikelets 3.5-4 

 mm. long; empty glumes subequal, tinged with purple and reil, 

 ciliate on all the nerves; floral glume nearly as long as the empty 

 glumes, the margins connate to near the middle, delicately 5-7- 

 uerved, awn about G mm. long. Anthers 2.5 mm. long. 



Professor Scribner says: "It diifers from A. pratcvsis in its 

 shorter and more ovoid spikes, more l.eavy, less conspicuously 

 nerved and shorter empty glumes, in the shorter and more obtuse 

 flowering glume.*' This closely resembles .(. dnnulineceus Poir. 



Montana, Williams 835. 



