86 TRIANDKIA DIGYXIA 



awncd, or mum>nate ; upper palea somewhat conduplicate. Scales 

 2, collateral, ciliate. Ovary hirsute at summit, 



1. T. sativum, var. hybernum, L. Spike somewhat i-sirfccl, imbri- 

 cated; spikelets rather crowded, broad-ovate, obtuse, 4 or f)>J?oiverr<! : 

 glumes ventricose, truncate, mucronate; lower palea aimed, or mu- 

 cronate. Pers. Syn. 1. p. 109. 



T. hybernum. Willd. Sp. 1. p. 477. Eat. Man. p. 373. 

 Common- Triticum. Vulgd— Wheat, U inter Wheat. 

 Gallice — Bled d'frfver. German, — Der Weitxen. Hispanic^ — Trigo. 

 Root biennial ) Culm 3 to 5 feet high) terete, somewhat imlaied, smooth ; nodes 

 striate. pubescent. Leaves lanceolate, naval, smooth) or slightly saibrovs an the 

 upper surface : shcathfl nerved, smooth ; ligule truncate, dentcUe. Spike 2 to 6 inch' 

 es long, dense, 4-sided : r*ch\B compressed, broad) smooth, striate at ewh border, 

 and hirsute on the margin. Spikelets sessile, broad, obtuse, compressed at upex. 

 tilumes ventricose, obtuse, mm ronatc, {sometimes at uminate,) compressed at apex 

 Roreis usually 3 fertile, and '2 abortive] the penultimate cue pistillate, the termi- 

 nal one neuter and pedicellate. Paleae nearly equal; the lower oi.e ventricose, 

 aimed, or mucronate ; the ujmer one conduplii ate, < iliate em the tiro keels. Scales 

 oveite, ciliale. Seed ovoid-oblong, suU ate on the upper bide, jmbeseeni at su7mnit. 



I lab. Fields : com?, ion Fl. June. Fr. July. 



Dl-3. IViis, the most tdtuabli , j erliaps, of all the grass tribe, is very generally 

 cultivated here. We har- serenu sub-varieties, suth cisauned, and awnless,— 



white wheal, red-chaff, &c. which are severally prefer/ ed as tJuy seem best to suo 



reed in difftrtnt soils,— or an lust calculated to resist the ravages of the insect cat. 



led Hessian Hy. The Var. ses- .urn, or Spring wheat, is now very rarely sown. 

 Several years since, through the politeness if Commodore Porter, 1 ireeived sonu 

 seed from Valparaiso, under the nana of Chili Wheat ; paid sul'scquci I v a parcel 

 jromtheQvL^ ^Xvc)\\\^U%o,frommyj)i<yid\)\\Viiy.v\n.v.\,ofl i hiir Ma. I 

 cultivated both, and found them t > be the game, viz. the Var durum, Peri with 

 nearly solid, or pithy culms, short, thick, glaucous spikes, and broadly mucroi.ruc 

 glumes. // did not apjyear to me to be in uny respet ! equal to our common rariety,- 

 at least for this climate. Our winter uheat is umu.r/ sown about the first of 

 October. 



2. T. repexs, /,. Spike distichous, compressed ; spikelets distant, al- 

 ternate, lance-oblong, acute, 5 or 6-flowered ; glumes lanceolate. 5-ner- 

 ved, acuminate. Beck, fiot. p. 416. 



Agropyron repens. Torr. Fl. 1. p. 135. Ejusd. Comp. p. 65. Eat. 

 Man. p. 7. 

 Creeping Triticxju. Yulgc— Couch grass. Quitch grass. 



Root perennial, creeping. Culm about 2 feet high, smooth. Leaves linear-lan- 

 ceolate, nerved, scabrous and somewhat pilose on the upper surface ; sheaths ner- 

 ved, smooth ; ligule short, truncate. Spike 3 to 5 inches long : rachis flcxuote, con> 

 pressed, scabrous on the margin. Glumes keeled, strongly nerved, roughish. 

 ?uter margin broader. Florets alternate, a little distant. Lower palea lance-ou 

 long, 5-nertcd, mucronaU, smooth; upper palea lance-linear, obtuse, ciliaie-ier- 

 rulate on the two keels. 



Hob. Grass lots: West-town School: rare. Fl. July. Fr* August. 

 Obs. This is but remotely allied to the genuine Wheat; and is an extremely 



freublesome grass in cultivated groands, wbero il is prevalent. It is believed 14 



Vf 



