EXPLANATION OF THE PLATES. = 253 
Fig. 8. Epipactis. 
a. Part of the ovary. 
. Gynizus. 
. Gynostemium. ~ 
» Proscolla. 
. Filament. 
Rostellum. 
. Pollen masses. 
Anther. 
2. Staminodium. 
Fig. 9. Epipactis. The granular pollen masses. 
Fig. 10. Epipactis. The pollen mass cut. to show the 
granules, and magnified. 
Fig. 11. Granules of pollen, magnified. : 
_ Fig. 12. Secale cereale. Graminee. Axis toothed, 
jointed; spathelles opposite, inserted parallelly. 
Fig. 13. Eleocharis palustris. Cyperacee. Glume one- 
spathelled, one-flowered; glumelle bristlelike, bristles 4, 
denticulate; stamens three, attached under the ovary; 
stigmata two, featherlike. 
Fig. 14. Agrostis rubra. Graminee. Spathelles alter- 
nate, lower largest, longer than the spathellules; lower 
spathellule 2-cut at the tip, awned below the middle, awn | 
twisted; upper much shorter, 2-cut, toothed; stamens 3; 
style short, 2-parted, stigmata villous. — 
Fig. 15. Hordeum nigrum. Graminee. Ovary ovate: 
styles 2; lodicules not cut, bald. 
Fig. 16. Bromus mollis. Graminee. Locusta many- 
flowered; awns not knee-jointed, subapicular. 
Fig. 17. Avena. Graminee. 'The lower spathellule two- 
pointed; awn dorsal, twisted. 
Fig. 18. Trasus vesicarius. Cyperacee. Spathellules or 
lodicules soldered together, persisting, cartilaginous, form- 
ing a bottleshape urceolus. 
a. Ovary. 
b. Style, with its three stigmata. 
Fig. 19. Isolepis paniculata. _Cyperacee. Spathelle 1; 
glumelle 0; stamens 3; ovary with two styles. 
“sig HS aoe 
