136 
W. C. Etiieridge 
Fig. 24. panicle of avena sativa 
(Panicle representing the varieties C. I. (i06, Winter Turf, Culber- 
son, and Joannette) 
elongate, outer grains 
15-18 mm. long, long- 
pointed; lemma of the 
outer grain with 7 ob- 
scure nerves, usually 
glabrous but occasion- 
ally with a few lateral 
hairs; awns few to nu- 
merous in the panicle, 
twisted or not twisted, 
seldom geniculate ;basal 
hairs usually present, 
few, short (1-2.5 mm.), 
and weak; rhachilla of 
the outer grain 2.5-3.5 
mm. long, beset with 
numerous stiff hairs. 
Plants 8-10 dm. tall; 
late in maturing. 
Another specimen 
similar in form to that 
just described carried 
the name C. I. 607. 
Winter Turf (Plate 
XI, 1, and fig. 24).— 
Culms similar to those 
of C. I. 606; sheaths 
light green and slightly 
glaucous at period of 
full heading; leaves col- 
ored as sheaths, narrow 
and fine, margins cili- 
ate at the lower third; 
panicles similar to those 
of C. I. 606, but some- 
what broader and 
longer ; spikelets usually 
2-grainecl; glumes light 
