OF THE SOUTH AFRICAN FLOEA. ll 



Cohort IIT. Iridales. — Flowers usually quite regular, hermaphrodite. 

 Perianth-lobes all petaloid. Stamens 3 or 6. Ovary 3-celled; cells with 

 numerous ovules. Seeds albuminous. 



Order 123. Burmanniacea (p. 369). 

 „ 124. BioscoridecB (p. 370). 



„ 125. IridecB (p. 370). Perianth sometimes irregular. 

 ,, 126. HcemodoracecB (p. 376). Perianth inferior in some genera, and 



ovules solitary in some. 

 „ 127. Amaryllidece (p. 378). 



♦Subclass II. Htpogyne^. — Ovary superior. 



Cohort IV. Alismales. — Flowers regular, hermaphrodite or iinisexunl. 

 Perianth in 2 series, or 1 or 0, outer or all herbaceous. Stamens de- 

 finite or indefinite. Albumen 0. — Aquatic plants. 



Order 128. Alismacece (p. 385). 

 „ 129. Naiadece (p. 386). 



Cohort Y. Aeales. — Flowers regular or irregular, usually unisexual and 

 arranged ui a spadix ; often very incomplete. Perianth 0, or of a few 

 scales or hair-like organs. Stamens various. Ovary usually 1-celled, 1- 

 or many-ovuled. Fruit never capsular. 



Order 130. Aroidece (p. 388). 

 „ 131. Typhacece (p. 390). 



Cohort VI. Palmales. — Flowers regular, usually arranged on a spadix. 

 Perianth of 6 leaflets in 2 series. Stamens usually 6, hypogynous. 

 Ovary 1-3-celled, cells 1-ovuled. 



Order 132. Palmece (p. 390). 



Cohort Til. Liliales. — Flowers usually regular and hermaphrodite. Pe- 

 rianth of 6 pieces in 2 I'ows, outer usually petaloid. Stamens 6, opposite 

 the perianth-lobes. Ovary 3-celled ; cells many-ovuled. Fruit usually 

 capsular. 



Order 133. LiliacecB (p. 391). 

 „ 134. Melanthaceae I p. 403). 

 „ 135. SmilacecB (p. 405). 



,, 136. JuneecB (p. 407). Perianth coriaceous or almost glumaceous. 

 Ovary 1-celled in Luztila. 



Cohort VIII. Commelynales. — Flowers regular or irregular, hermaphro- 

 dite. Perianth of 6 segments in 2 rows : outer herbaceous or gluma- 

 ceous, inner petaloid. btamens very unequal, some much smaller and 

 usually wantnig perfect anthers. Ovary 1- or 3-celled ; cells few- or 

 many-ovuled. Fruit capsular. 



Order 137. Commehjnece (p. 408). 

 „ 138. A^Wc/ect (^p. 410). 



Cohort IX. Eestiales.— Flowers regular or irregular, unisexual. Perianth 

 of 4 or 6 glumaceous or scarious segments in 1-2 rows, or wanting or 

 reduced to a scaie. titameus 1-3, free or united in a cup. Ovary usually 

 3-celled ; ovules 1 pendulous \n each cell. Fruit capsular, membranous 

 or rigid, 1-3-celied ; cells 1-seeded. 



