CONSPECTUS OF THE ORDERS CONTAINED IN 

 THE EIGHTH VOLUME. 



Series 111. Coronarleae (continued). — Perianth, or at least the inner series^ 

 petaloid. Ovary superior, very rarely slightly immersed at the base. Albumen copious. 



CXLI. PoNTEDEEiACE^, Flowers regular or often slightly irregular. Perianth 

 petaloid; segments biseriate. Stamens 6 or 3, rarely 1. Ovary 3- or 1-celled, many-, 

 rarely 1-ovuled, Embryo straight, central, about as long as the floury albumen. 

 Aquatic herbs. 



CXLII. Xyeide^. 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. 



CXLIIa. MATACE-aE. Flowers regular, solitary and pedicellate within the thin 

 bi-acts 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. 



CXLIIl. CoMMELiNACE-E. 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. Rapatbaob^. 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 ; ovules solitary or few, erect, anatropous. Embryo lenticular, 

 outside the albumei; near the hilum. Perennial herbs. 



