GRAMINE.E 235 



A. sterilis L., A. setacea Vill., A. pubescens L., A. pratensis L., and 

 A. bromoides Gouan. 



TRISETUM Pert. 



Spikelets crowded. Flowers 2-6. Fertile glume with faint lateral veins, end- 

 ing in 2 acute teeth, awned. Awn dorsal, kneed, and twisted. Ovary glabrous. 

 Fruit neither crested nor furrowed. 



T. flavescens P.B. Yellow Oat. Panicle diffuse, yellowish. Glumes 

 very unequal. Florets about 3, exceeding the calyx. Axis with a very short 

 beard. Fertile glume 5-nerved. Root somewhat creeping. 



Meadows and woods, common. June-July. 



ARRHENATHERUM P. Beauv. FALSE-OAT. 



Flowers 2, with a rudiment ; lower flower male with a long kneed and twisted 

 awn from below its middle ; upper with a short straight awn. Fertile glumes 

 ending in 2 points. Ovary hairy at top. Fruit downy, not furrowed. 



A. elatius Mert. et Koch is common in many districts. May-July. 

 HOLCUS L. 



Flowers 2 ; lower perfect, awnless (or rarely awned), upper usually male, with 

 a dorsal awn. Fertile glumes 5-nerved, hardening on the fruit. Pale 3-toothed. 



H. lanatus L. is very common. May-July. 



H. mollis L. is rare in the district and grows usually in mountain woods. 

 May-July. 



QAUDINIA P. Beauv. 



Glumes unequal, much shorter than spikelet. Fertile glume with a long bent 

 and twisted dorsal awn. Rachis brittle. 



Q. fragilis P.B. Culm branched. Sheaths and leaves downy, spikelet 

 solitary, 5-7 flowered, smooth. In habit somewhat like a slender but hairy Rye- 

 grass. 



Meadows and grassy slopes near the sea. May-June. 



The late M. Albert determined 3 varieties in the Var, which are figured and 

 described iathe " Cat. des Plantes Vase, du Var," p. 540. 



SI EG LI NQ I A Bernh. 



Flower 2-4. Fertile glume rather coriaceous, rounded on the back, bifid with 

 an intermediate broad tooth. Nut free. 



S. decumbens SwA. = Triodia decumbens. Beauv. = Danthonla de- 



cumbens DC. = Festuca decumbens L., grows in meadows and grassy 

 places occasionally. June-July. 



KOELERIA Pers. 



Fertile glume slightly keeled, acuminate, or with a straight terminal bristle. 

 Glumes unequal ; upper 2-3 ribbed, bpikelets compressed, 2-5 flowered, in a 

 spike-like panicle. Nut free. 



K. phleoides Pers. Annual, about a foot high. Panicle cylindrical ; spike- 

 lets crowded on erect, branched, hairless stalks, 3-5 flowered. Fertile glume 

 rough and somewhat hairy. Awn soft, hardly one-fourth as long as floret. 

 Leaves flat, hairy. Stem hairless. 



Sandy places near the sea. April-June. 



K. villosa Pers. Annual, about a foot high. Panicle cylindrical, larger 

 than the last. Spikelets crowded on short erect, hairy, branched stalks, 2- 

 flowered, villous on back, acuminate, the second floret abortive in the lowe 

 spikelets. Leaves flat, soft, villous. 



Sandy shores. May-June. 



