PIIALAKIDE.E. 185 



tlie latter below the mitUUe projecting twice the length of the 

 glume. 



Widely dispersed in temperate Asia, North America, Australia; 

 often sown for pastures and lawns. See popular account in Vol I. 

 p. 155, Fig. 73. 



Vermont, Pr ingle for Pel ton; Massachusetts, Heal 33; Penn- 

 sylvania, Scribner lov U. S. Dept. Agrieul. 217; Michigan, Clark 

 1109. 



Var. PUELii (Lecoq & Lamotte). A. Puelii Lecoq & Lamotte, 

 Cat. PI. Auver. 385 ( ). An annual 15-40 cm. high. Smaller, 

 more slender, with shorter leaves. Spikes 2.5 cm. long, second 

 lower empty glume when closed linear-lanceolate, when spread 

 about two-thirds as wide as the corresponding glume of A. odora- 

 tum; third and fourth glumes narrower, darker, and closed; lower 

 part of the twisted awn almost black. Of no value, though the 

 seeds are often sold for those of the sj)ecies. 



Michigan, (M. A. 0.) Beat 34. 



44. (104). Savastana Schrank. Baier. FI. 1: 100, 337 (1789). 

 Holy Grass. Vanilla-grass. Hierochloe Gmel. Fl. Sib. 1 : 101 

 (174T). Torresia Ruiz & Pav. Prod. Fl. Peruv. 125 (1794). Dis- 

 sarrenum Labill. Nov. Holl. PI. 2:82,^. 232 (1806). Dimesia 

 Rafin. Am. Monthly Mag. 175 (1818). Ataxia R. Br. Parr. 1st 

 Voy. App. 193 (1824). Dimeria Endl. Gen. 81, in Syn. (1836). 



Spikelets with one perfect flower, slightly compressed, panicu- 

 late, rachilla articulate above the lower glumes, terminal flowre 

 perfect. 



Empty glumes persistent below the joint, keeled, acute, gla- 

 brous, obscurely 1-3-nerved. Floral glumes of the stamiuate 

 florets villous, scarcely shorter, obtuse, emarginate or ])ifid, keeled, 

 the main nerve often extending into a short awn. Floral glume of 

 the upper floret keeled, 5-nerved, obtuse, the keel often extending 

 into a short awn; inner glume narrow, 3- nerved, or nerveless 

 beyond the keel. Stamens in the staminate flowers 3, in the fertile 

 often only 2. Styles distinct, very long, grain oblong, enclosed by 

 the upper glumes, but not adherent. 



Sweet-scented perennials with flat (and often broad) acuminate 



