| VARIETAL CHARACTERS OF INDIAN WHEATS. 
TRITICUM SATIVUM LAM. 
Kars with a fertile terminal spikelet and brittle or tough rachis. 
Outer glumes shorter than the flowering glumes with or without a 
blunt tooth (Seitenzahn). Pales as long as the flowering glumes, 
undivided. 
I. RacHIS BRITTLE. GRAIN ENCLOSED IN THE GLUMES 
WHEN THRESHED. 
1. Triticum spelta, L. Spelt. Ears bearded or beardless, 
long and thin, lax and somewhat square. Outer glumes very 
broad and truncated with a very short and blunt apex (Mittelzahn) 
and a somewhat undeveloped keel. 
2. Triticum dicoccum, Schrk. Emmer. Ears nearly always 
bearded, dense, broader on the two-rowed side. Outer glumes 
sharply keeled with an acute apex. 
II. Racuis rougH. GRAINS SEPARATING FROM THE CHAFF 
WHEN THRESHED. 
3. Triticum compactum, Host. Dwarf wheats. Ears beard- 
ed or beardless, extremely short and very compact, more or less 
quadrangular. Outer glumes keeled above, rounded below. Straw 
very short and stiff. Grains rounded. 
4. Triticum turgidum, L. Rivet wheats. Hars bearded, 
large and four-sided with the spikelets closely packed on the rachis. 
Straw very tall, stiff, often solid. Grains large, short and thick 
with a blunt apex. 
5. Triticum durum, Desf. Macaroni wheats. Ears large, 
dense, with long awns. Outer glumes sharply keeled to the base. 
Straw stiff, usually solid. Grains long, somewhat pointed, hard. 
6. Triticum vulgare, Vill. Common wheats. LHars bearded 
or beardless, more or less lax (much laxer than 7. compactum). 
Outer glumes keeled above, rounded below. Straw hollow, medium 
in length. Grains not rounded, more than twice as long as broad. 
Only three of the sub-species of Triticum sativum, Lam., are 
represented in the plains, namely, 7. compactum, Host. ; T. durum, 
