( 299 ) 
‘‘Canary grass.” Native of the Mediterranean 
region; used as bird’s food and probably es- 
caped with the rubbish of birds’ cages. 
2. P. INTERMEDIA Bosq. Panicle dense and 
spike-like; glumes pointed with a broad keel. 
©. Common. Spring. 
3. P. ameruystiIna Trin. Panicle dense and 
spike-like; glumes with a narrow keel.—2¢. 
Contra Costa hills. Summer. 
4. P. anunpinacH L. Panicle branched; 
glumes not all carinate,pointed, 3-nerved.—2¢. 
Niles. Summer. 
6. Hierochloa Gmelin. Hoty Grass. 
Spikelets 3-flowered; flowers sessile. Glumes 
equal, carinate. Upper flower %; lower palet 
carinate; upper l-nerved. 2 lower flowers ¢ ; 
lower palet carinate, upper 2-carinate.—72f. 
Spikelets pedicillate. Leaves flattened. 
1. H. macropoytya Th wr b.—Tamalpais. 
Summer. 
Fragrant grass, perhaps containing cumarine 
like our Galium triforum and the European 
Asperula odorata (Waldmeister). 
7. Anthoxanthum L.. Swzer Verna.-cnass. 
Spikelets 3-flowered. Glumes 2, carinate; 
lower glume shorter, l-nerved; upper 3-nerved. 
Upper flower 8, with 2 navicular palets with- 
out awns; lower palet wrapt round the upper. 
