.140 83. Phleum. 10. GRAMlNEiE. Plejulpli. 



2. Phleum nodosum. Knotted timothy. 



Spike cylindrical, short; spathelles much longer than 

 the beard ; keel ciliated ; culm ascending, bulbous at bottom ; 

 root fibrous. 



Graraen typhinum q. Gramen nodosum spica parva C. Bauhiu, Itaii Syn, 

 398, 3. 



Phleum nodosum, Lin. S. P. 88. 



Phleum pratense, var. Huds. Fl. Jingl. 26. 



Barren places ; perennial ; July to November. 

 Culm 9 in. high, rather naked above; leaves very acute; 

 spike 1 to 2 in. long, obtuse. 



.0. Phleum alpinum. Alpine timothy. 



Spike ovate, cylindrical; spathelles the length of the 



beard; /^eeZ ciliated ; cz^/?w ascending; rooM'ather creeping. 



Phleum alpinum, Lin, S. P. 88. 



Mountains in the North ; perennial ; July. 



Root jointed; culm 18 in. high ; iipper sheaths very long, 

 inflated; loiuer ligula very short; i/pper slender, acute; 

 spike 1 in. long, blackish purple. 



XLIII. 8'1<. PHALARIS. Dioscorides. Phalaris. 



Spathelles alternate, nearly equal, boatshape, gibbous on 

 the back, often membranous winged, longer than the flow- 

 rets; glumelles awnless, hardened, leathery; rudiment of an 

 abortive flowret sessile, like an appendix, awlshape, bald 

 or hairy ; upper spathellule slightly nicked ; lodicule ovate, 

 not notched, hairy ; style short, 2-parted ; stigmata villous ; 

 cariopsis free, included in the hardened glumelle, not fur- 

 rowed. — Panicle spikeshape, or eft'used ; locustce crowded ; 

 peduncle often involucrated. 



a. Panicle spikeshape j keel of the glumelles winged. 



1. Phalaris Canariensis. Canary phalaris. 



Panicle ovate ; marghi of the upper spathelle truncate ; 

 eulm rather upright; root fibrous. 



Phalaris major, semine albo, Rati Syn. 394, 1. 



•Phalaris, Ger. em, 86. 



Phalaris Canariensis^, Lin. S. P. 79. 



Phalaris ovata, Moench. Meth. 



Canary grass. 



Roadsides, ruins, also cultivated ; annual ; June to Sept. 



Culms many, 2 feet high, smooth; leaves flat, lanceolate, 

 edge white; upper sheaths inflated; ligula large; panicle 

 very dense; peduncles short; locustce broad, ovate, white 

 with 2 lunate green lines. 



Seeds used as food for singing birds. 



