TRIANDRIA. 133 
Fre. 16. Mer’tca. aa the calyx. lb the fertile blos- 
4 _ soms with e the rudiment of a third blossom * 
betwixt them. sehr 
Fic. 17. Bri’za. aa the valves of the calyx. 2113) 
the blossoms, of which the outer valves only 
are visible. B one of the blossoms taken out 
_ of the little spike. ¢ ¢ the outer heart-shaped 
- valye of the blossom. dd the inner valve 
inversely egg-shaped, ae 
fic. 18. Po’a. Aan entire little spike. aa the two 
husks of the calyx. L404 the blossoms. B 
one of the florets separated from the little spike. 
e the outer valve. d the inner valve of the 
; blossom. eee the forked anthers. ff the 
; woolly summits. 
fic. 19. Fesru’ca. aathe valves of the calyx. bb) bbb1 
> the blossoms of the little spike terminating in 
acute points. c¢ the inner valve of one of the 
blossoms. : 
Fic. 20. Bro’mus. aa the calyx. § 4 the blossoms, 
= the outer valves only of which are visible, 
with the awns growing from beneath the 
point. 
Fig. 21, Avr’na. aa the valves of the calyx, bh 
the florets, the outer valves of which are ’fur- 
nished with a twisted jointed awn, growing 
- from the back. d dd the inner valves. cc cc cc 
the anthers, hs 
Fic. 22, Arun’po. aa the valves of the calyx. 210 
the woolly blossoms. 
Ric. 23, Sxca’tz. aa the valves of the calyx. LbLd 
the blossoms ; the inner valve of which is flat, 
but the outer concave and furnished with — 
an awn. ce the spike-stalk with its little 
teeth. 
Fic. 24. Tarr’icum. aa the blunt valves of the calyx, 
embracing the three blossoms ¢ dt, the outer 
valve only of which is seen, furnished with an 
__ awn. ec the spike-stalk. 
Fic. 25. Hor’prum. aaaaaa the six valves of the 
calyx, two of which belong to each of the 
blossoms 26. ccc the long awns of the outer. 
valves of the blossoms. ee the naked spike 
stalk as it appears after the florets are pulled 
