(540 POAC'E.E. 



are very broad with short awns. Pl.iuts are found in various places 

 whicli sliado oit' uhnost inipercoptibly into .1. caniiium. 



9. A. caniuoides (R. Pound). A. violaccnm (rornia) canuioitles 

 R. Pound, .^riuu. Hot. Stuilios, Bull. 9 (III), lOT (KS94). 



PtM'onniul with no rootstocks. Culuis ri<fid. 30-140 cm. hi^fli. 

 LeavL'S 5-<) in nunibiT, sheutlis sliorter tlmn tlu; intornodi's; li^aile 1 

 mm. or loss l(m<i;; hliidos Hat, rutluT thin, pungoiit-pointed. IH-IJO 

 cm. loni:-. 5-7 mm. wide. Si)iko lo-lij cm.lon^', erect, nichis Avitli 

 <frccn marjiins. Spikelets ^-3-fluwered ; empty <^^]unu>s 7-9 mm. 

 long, with scarious margins, 5-7-nervcd, the awn 2-5 mm. long; 

 floral glume 7 mm. long, hearing a rather stil! awn, 10-;20 mm. 

 long. Usually compared with A. nni'untm. 



Micliigan (Agricultural (Allege). Ihal tf- Whcclcr, 1G3, 103. 



Dry knolls or low hiiul and hoi'ders of woods; growing in 

 isolated hunches. ]*romising for cultivation. 



Xew Hampshire, ^richigan, Minnesota to Rocky ]\rountains. 



141. (;2()7). Secale L. Sp. PI. 84 (17r)3). Ryk. 



Spikelcts usually li-llowered in a (^yliiulricul or flattened sjiike, 

 sessile, compressed, one at each joint on alternate sides of tlio 

 raehis, not inllated, convex on the outer side and Hat next tlic 

 rachis, racliilla becoming a slender stipe above the ilowers. Em})ty 

 glumes firm, narrowly linear, compressed-keeled, acute, acuminate 

 or with a short awn; floral glume lu'oader, com[)rcssed-keeled, 

 scarcely longer, not counting the long aun, 5-nerved, the outer 

 ones prominent, those next the rachis obscure; })alea a little shorter 

 than the floral glume, narrow, 2-keeled. Stamens 3. Styles very 

 short, distinct, stigmas feathery, drain oblong, subterete, furrowed 

 on the inside, hairy at the apex, included by the glume and palea, 

 free or slightly adhering to the palea. 



Erect annuals with flat blades. Spike terminal, compact, 

 jointed at the nodes of the slender rachis, which is usually hairy. 



Species 3 or 2>erhapso]dy 1, indigenous to tlie country bordering 

 the ]\[editerranean Sea. The genus differs slightly froin the section 

 Eremopyrum of Agropyron in the dense cylindrical spike, and in 

 the spikelets usually containing only 3 ilowers. 



1. S. fEIlKALK L. 1. c. 



