52 Festuceae 



2. F. microstachys Grayi. Spikelets or at least the flower- 

 ing glumes more or less densely pubescent. Otherwise as in the 

 type. (F. microstachys ciliata Gray.) 



Cuyamaca Mountains. Not known within our limits, but intermediate 

 forms have been collected near San Bernardino. 



3. F. Myuros L. Annual; culms slender, smooth, mostly 

 erect, 2-5 dm. high; sheaths smooth, longer than the internodes; 

 culm-leaves 3-5, erect, slender, 5-10 cm. long; panicle narrow, 

 7-25 cm. long; branches scabrous, erect, appressed ; spikelets 5-8- 

 flowered, 8-10 mm. long; empty glumes scabrous, the first 2 mm. 

 long or less, second involute, 4-6 mm. long; awn 5-8 mm. long; 

 palea lanceolate, scabrous on the keels, nearly equaling its glume, 

 with 2 short awns. 



Occasional in grassy places that have been pastured. Capistrano. Na- 

 tive of Europe. 



4. F. Myuros ciliata Coss. Empty glumes slightly more un- 

 equal; flowering glumes, at least the uppermost, conspicuously 

 ciliate above the middle. 



Common on mesas and grassy hillsides, and along streets and waste 

 places. Native of southern Europe. 



5. F. octoflora Walt. Annual ; culms usually tufted, 15-30 

 cm. high; sheaths shorter than the internodes, smooth; culm- 

 leaves 2-5, erect, slender, 3-6 cm. long ; panicle simple erect, 5-10 

 cm. long, rather narrow; spikelets oval, 6-10 mm. long, 7-13- 

 flowered; empty glumes involute, first 3 mm. long, second 4 mm. 

 long; flowering glume involute, acuminate, scabrous 3-4 mm. 

 long; awn 1-7 mm. long; palea lanceolate, scarcely as long as 

 the glume ; stamens 2. 



Frequent throughout the chaparral belt of all the hills and mountains. 



36. BBOMUS L. BROME-GRASS. 



Annual or perennial grasses, with flat leaves and ter- 

 minal panicles thickened at the summit. Spikelets few- 

 many-flowered. The 2 lower glumes empty, unequal, 

 acute ; flowering glumes rounded on the back or some- 

 times compressed and keeled below the summit. Palea 

 shorter than the glume, 2-keeled. Stamens generally 3. 

 Stigmas sessile, inserted below a hairy cushion at the 

 top of the ovary. Grain adherent to the palea. 



