Index. 
Muhlenbergia tenuiflora ...........cceeceeees 
SION as 5 sa vie w-sjs wc dlein oS ojh ms ve ¥ 
SE EE ee 
a ae Re a a ee ee er 
ree ey ccan a aymiive es hee his ona 
NN ih 5 uh Boa 00s. wa o> bb O88 Oo w8 
Te oe bch alka wee Bee aoe 
Ee et ce SW gy pst de ve Se et alee wes 
Old Witch Grass ........ NS A bs es, Salita ly 
Ee ee 
ES eS or ee 
De) * 
I eg cw tial iW eueas 
TAR EL Ge re rer 
Paniceae 
Panicle 
Panicum barbipulvinatum 
Panicum capillare 
Panicum dichotomiflorium 
Panicum huachucae 
Panicum leibergu 
Panicum miliaceum 
Panicum praecocius 
Panicum scribnerianum 
Panicum virgatum 
Panicum wilcoxianum 
Paspalum stramineum 
Perennial Rye Grass 
Phalarideae 
Phalaris arundinacea 
Phalaris canariensis 
Phleum pratense 
Phragmites communis 
Poa annua 
Poa compressa 
Poa nemoralis 
Poa pratensis 
Polypogon monspeliensis 
Pony Grass 
Porcupine Grass 
Sein ae Cee wie 2.8 6. 88 Oe) oe a 86 s-O Ge ete 0 2 & sie) 8 
eee ree nee or ee Se ws ele eS Seo 68 ee @ owe Se @ 
ae © =e fac S'S ee 6) e/a ee ae ce’ é.e 
aoe ae ee ee lee ee he Saat OS re Cw 
“ee A te Wwe et ok ne Pu Oe fen Vie fae ee Oe 
rh Oe he en ee ee Oe a a ee ge 
Poi ees Oe Cie we Cs Ere sO moe Cee, pw BS 
eo ech POSTE Ss ee bee, oe ee 2 eS ee | 
ie wee Ob Ce eee Sein ee ee ee a oe 
ie. Ose ene ee Se: es a a eo 
rae ewe Ce ree 6 8,8 aia Sate o.6 08.06 ® 
Caw ea eee be eee Sb ee es ae 8.6 
bum 6 bee eee ee a OSA eb ee ee ae 
2. Olek e Soe woe -e Soe SOs we Oe Sb ee ee 
re ee eee Se Se ee ae SO Ore, Se Gi pe: oe) ate: « 
eee ee we ee we Oe es eS OR Se Bee 
Cie 26 we Seles 6 yore Ge Ge 8 eS a oA. 6 ® 
eee eee a eee ee Oe ew ee Oe pS. ee .'Oo © 
2 Bae Oe Coe a eee eee. Cle es ae oS @ 
ce oe woes On ele ee ee en 6 ee a SB es & pre Bw ae @ 
2 eae Oo. Oe woe ele ee eee oce: Oe alae ae! ® 
eae oor ee ee 2 6 Cp ees 's 2's 2 6.6 #.6%e © 
er foe eee eee eS he oe eS oe. Se oe a ae Oe oe 
Paw ee © i eS Bie eo eee 6). 6.8 8 
ee eo ee ee ee Oe Cee £ Ss Be eC 6.6.8. 8 6,4. 8 8 o 
Poverty Grass, Long-awned ......... 
