CONSPECTUS OF THE ORDERS CONTAINED IN 
THE EIGHTH VOLUME. 
Series iii. Coronarieve (continued).— Perianth, or at least the inner series, 
petaloid. Ovary superior, very rarely slightly immersed at the base, Albwmen copious. 
CXLI. PonTeDERIACER. Flowers regular or often slightly irregular, Perianth 
petaloid; segments biseriate. Stamens 6 or 3, rarely 1. Ovary 3- or 1-celled, many-, 
rarely l-ovuled. Embryo straight, central, about as long as the floury albumen. 
Aquatic herbs. 
CXLII. Xyrtpex, Flowers regular or slightly irregular, solitary and sessile 
within the bracts of a terminal head. Perianth biseriate; outer segments 3, 2 or 0, 
glumaceous; inner segments 3, petaloid, united below into a tube. Stamens 3. 
Ovary 1- or imperfectly 3-celled; ovules numerous, orthotropous. Embryo small, 
at the apex of the floury or slightly fleshy albumen. Herbs. Leaves radical. 
CXLIla. Mayacex. Flowers regular, solitary and pedicellate within the thin 
bracts of a terminal head. Perianth biseriate; outer herbaceous; inner petaloid. 
Stamens 3. Ovary 1-celled; ovules numerous, orthotropous, Embryo small at the 
apex of floury or slightly fleshy albumen. Herbs. Stem prostrate or floating, leafy. 
CXLIII. Commetinacez. Flowers regular or slightly irregular. Perianth 
biseriate; outer herbaceous; inner petaloid. Stamens 6 or by abortion fewer. 
Ovary 3- or 2-celled; ovules solitary or few, orthotropous. Seed solitary or few and 
closely packed, attached by a hilum on the inner, with an embryostega on the outer 
side. Embryo beneath the embryostega, at the edge of or slightly intruded into the 
floury albumen, Terrestrial herbs. 
CXLIV. Rapargzacem, Flowers regular. Perianth-segments 6, all petaloid 
and connate into a long slender tube, or biseriate, the outer paleaceous and connate 
or free, the inner petaloid and connate below. Stamens 6; anthers dehiscing by apical 
pores, Ovary 3-celled; ovales solitary or few, erect, anatropous. Embryo lenticular, 
outside the albumen near the hilum. Perennial herbs, 
