156 
W. C. Etheridge 
2-3-grained ; glumes dark green, somewhat glaucous at period of full 
heading, rather short (20-25 mm.), 8-10-nerved, usually 9-nerved; grains 
black or smoky brown, with colorless points, rather elongate but well 
filled, outer grains 15-18 mm. long; lemma of 
the outer grain glabrous, with 7 prominent 
nerves; awns numerous in the panicle, black 
and twisted at the base, often slightly genic- 
ulate; basal hairs wanting; rhachilla of the 
outer grain 2-3.5 mm. long, sparsely haired. 
Plants 7-10 dm. tall; medium late in maturing. 
Carton 784 (Plate XX, 3, and fig. 30).— 
Similar to Garton 748, with the following ex- 
ceptions: grains rather plump and somewhat 
glaucous; awns wanting or seldom occurring; 
rhachilla of the outer grain remarkably short 
(1-2 mm.), glabrous. 
Specimens of the variety Garton 784 were 
found also under the names Black Tartarian 
and Garton 74. 
Garton Gray (Plate XX, 4, and fig. 13).— 
Culms erect in early growth, medium large, 
usually sparsely haired near the nodes; sheaths 
dark green and somewhat glaucous at period 
of full heading, scarcely covering the inter- 
nodes; leaves colored as the sheaths, medium 
wide, margins glabrous; ligules and auricles 
well developed; rhachis barely flexuous; pan- 
icles unilateral (resembling the type shown in 
figure 30, although somewhat longer and more 
prolific), the branches issuing from a normal 
node; spikelets pendant or pectinate in atti- 
eiie S tude, 2-3-grained; glumes dark green, some- 
FlG. 
30. PANICLE OF AVENA 
SATIVA ORIENTALIS 
(Panicle representing the vari 
Garton 748 and Garton 784) 
what glaucous, medium long (25-30 mm.), 
9-nerved; grains gray or mottled gray and dull yellow, elongate, outer 
grains 16-20 mm. long, rather long-pointed; lemma of the outer grain 
glabrous, with 7 obscure nerves; awns usually present, black and twisted 
at the base; basal hairs usually wanting, when present short, weak, and 
