Pl.end.ph. 10. GRAMINE^E. 54. Poa. 105 



Fields, pastures, and I'oadsides ; annual; all the year. 



Culm ascending, 9 in. long, leafy; leaves 2-rowed, spread- 

 ing, flat, flaccid, obtuse ; sfK^aths light green, compressed ; 

 panicle erect, smooth ; peduncles slightly branched ; l.ocuslce. 

 compressed, white and green, with short footstalks; spa- 

 thelles carinate, acute, edge scariose. upper 3-ribbed, lower 

 1 -ribbed; outer spathelhUe 5-ribbed, obtuse, edge scariose. 



&. rubra. Locustce. variegated with purple, white, and 

 green. 



y. vivipara. Panicle viviparous. 



Si cr'ispa. Leaves transversely crisp and waved. 



9. Poa alpina. Jlpme meadoiv-grass. 



Panicle eqiiai, dilFused ; peduncles in pairs, many-flowered; 

 locustce ovate, 5 or n-flowered ; lower ligulce truncated, very 

 short; upper lanceolate; culm round, ascending, shining; 

 root fibrous, perennial. 



Poa pratense ;S, finds. FL Angl. 39. 

 Poa brizoides, Wohllenh, Suppl. 5. 

 Poa Alpina, Lin. S P. 99. 

 Poa Badensis, Willd. Sp. PL 92. 

 Poa ^lomerata, Knapp Gram. 



Alpine meadows ; perennial ; July. 



Culm 18 in. high, erect, with 2 or 3 knots, naked above, 

 purple ; rad^' al Leaves many, spreading, flat, glaucous be- 

 neath, obtuse; sheaths short; stem leaves 2 or 3, short; 

 sheaths very long ; panicle broad, short, roundish; Incustce 

 compressed, green, violet, and yellow; lower spatkelle 

 S-ribbed ; outer spathellule obsoletely 5-ribbed, acute; 

 edge hcariose. 



^. vivipara. S pikelet vegetating. 

 Poa vivipara, Lin. S, P. 99. 



7.? glomerata. Tall; leaves long, flaccid; pa7iicle clus- 

 tered, many-flowered ; locustce pubescent. 



d. Glumelle connected at the base ivith wool; culm 

 bulbose at the base. 



10. Poa bullosa. Bulbose meadow-grass. 



Panicle ovate, almost 1-sided; peduncles mosdy in pairs; 

 hcnstcs. ovate, lanceolate, turgid, 4 or 5-fiowered ; lis:ula 

 elongated, acute ; cidm bulbose at bottom. 



Poa bulbosa, Lin. S. P. 102, a et y. 



Sandy fields and pastures near the sea; peren.; Apr. May. 



