CONE Bas: 
Page. 
I. THE GERMINATION, GROWING, HANDLING, AND ADULTERATION OF BLUE- 
GRASS SEEDS se bye dears LO Willys seer tne eee SR ee eae. RO tas 9 
Description of commercial and hand-gathered seeds. -......--------- g 
Grades'and quality of commercialiseeds2-2.:-22--22--.-.2--.225---- 10 
PAGING ER ACLOM ee) ee ne eae Peet ere eee Re ae Ase kk 10 
Wei odnG sere busin el sate ee ree ieee eee eee em eS eee ee oar ae 11 
Germination ....... Boa Ste sey es age ee EE aertiy te ae 12 
Growinerands han Glin Gia a ee ee cee ee en ee eo ae 12 
ROO Mpratcnsisa WentuckysOlUeerassy pers = hea ae cee ee ae ee ae 12 
oa.compnessa. (Canada blweorass)= sess 5ne= 2 2 Sees ee 13 
Poa trivialis (rough-stalked meadow grass) _.---.--------------- 13 
LOGNEMOLAUS (WOOCnIMeAd OW: CLASS) iene see oe eee eS 13 
Poon oras (Owl mead OwacTass)) peace ye ee eee 13 
iRoaxorachniujerds(hexas*blueonass) =< 25. a. ss 28 So sh ee 14 
Poa annua (annual bluegrass) -.-.-.--- diet Ma ep Se eee See aes 14 
OCOLpU AA alpine mMCAdOW.OTASS)) ease See Se sn eee 14 
J POXER SUMO NA NCO oy Signe 5 Ges NN aif ats oy oe Con epee ee ea feng EO 14 
II. DESCRIPTIONS OF THE SEEDS OF THE CoMMERCIAL BLUEGRASSES AND THEIR 
ITB URUELES Ss oye le gre MMM ADS fer ee Sel nee Oe ei eee 15 
NER We OraSseS ees ee gs ee ee Soci ee es 15 
Key to the seeds of the more common species of Poa as found 
OneherbariwmMespeCimmen sms see epee ee ees atte ee ee 18 
Key to commercial bluegrass seeds after preparation for market. - 19 
Comparison of the principal distinguishing characters of blue- 
OAT ISIS) TS (SLEIG Shes is eh els teehee ee ee nia ciate 20 
DESETIPEOMSKOMSPCClES A eet oer ee My ele ee en ge os 22 
Poa pratensis L., Kentucky bluegrass, June grass........_-- 22 
Poa compressa L., Canada bluegrass, flat-stemmed bluegrass. - 24 
Poa trialis L., rough-stalked meadow grass...............- 24 
‘Poa nemoralis ., wood meadow erass.2 -22.2.. i522 2....-2. 26 
Poa triflora Ehrh. (P. flava L., P. serotina Ehrh.), fowl 
MMCACO Ws CTASS natal Se mre Ul tO ser ae ee ee ueecye Ge er as 27 
Lomarachnuyerd Lor. bexas) bluegrass... 2 225.2222 see 28 
ogrannua lus. -annualsmeadow-erass 2 =. - 4226.25 2 Ls 29 
OORMDING lhe. alpine mead@weerass: = 54. S465 eee eS 29 
BOOBS CLUCOREL OCT kOe tae rae ee ee ree een 30 
1 EURO UMP OCIASNO) Oe ee as se ne A eS Si) Ae ae oO ol 
Panicularia nervata (Wilid.) Kuntze, nerved manna grass, 
sometimes called fowl meadow grass_...........----- 31 
Panicularia americana (Torr.) MacM., reed meadow grass, 
water meadow grass, tall manna grass ..__._......._.. 31 
