APPENDIX I 427 



4-6-locular, with axile, or i-locular with parietal, 

 placentae and numerous ovules. 



Family. Aristolochiaceae (Vol. Ill, p. 212), — 



Flowers bisexual, actinomorphic, or irregular ; perianth 



superior, petaloid, 3-partite, trumpet-like, or lobed ; stamens 



6 or 12 ; ovary 6-locular ; ovules numerous ; fruit a capsule. 



Tribe i. Asarece, 



Genus. Asarum (Vol. Ill, p. 213). 

 Tribe 2. Aristolochiece. 

 Genus. Aristolochia. 



Order 8. Polygonales. — Flowers homo- or 

 heterochlamydeous, regular ; ovary superior, i- 

 locular, with i erect, rarely anatropous ovule ; leaves 

 usually with ocreate stipules. 



Family. Polygonacese (Vol. Ill, p. 206). — Flowers 

 usually bisexual, inflorescence compound, cyclic, or sub- 

 spiral ; perianth 3 to 6-partite, green, or red, persistent after 

 flowering ; stamens 5-9 ; ovary i-locular \ ovule i, erect ; 

 styles 3 ; fruit a triangular nut. 



Sub-Family i. Rumicoideae. 

 Tribe. RumicecB. 



Genera. Rumex (Vol. Ill, p. 210), Rheum. 

 Sub-Family 2. Polygonoidege. 

 Tribe. Polygonece. 



Genus. Folygoftum (Vol. Ill, p. 208). 



c. Corolla usually haplochlamydeous, sepaloid or petal- 

 oid. Heterochlamydy, however, is not uncommon. 



Order g. Centrosperm^e. — Flowers acyclic or 

 cyclic, homo- or heterochlamydeous ; stamens often 

 as many as, and opposite to, the perianth-leaves, but 

 also numerous to i ; carpels, i to numerous, usually 



