APPENDIX I 423 



Tribe 3. Neoftiece. 



Slid- Tribe i. Cephalantherince. 



Genera. Epipactis, Cephalanthera^ Epipogon. 

 Sub- Tribe 2. Spiranthince. 



Genera. Spiranthes,Listera(yo\. Ill, 2^'^^Neottia. 

 Sub- Tribe 3. Phvsurince. 

 Genus. Goo dyer a. 

 Tribe 4. Liparidiece. 



Ge?iera. Malaxis (Vol. Ill, p. 291), Liparis^ 

 Corallorhiza. 



Class II. Dicotyledons. (Introductory Vol., 

 p. 32 ; Vol. II, p. 58.) 

 Embryo usually with 2 cotyledons ; stem with 

 open vascular bundles, usually in a single ring ; 

 leaves usually net-veined ; flowers with parts in 

 fours or fives as a rule, or in twos. 



Sub-Class I. Archichlamyde^e. 

 Perianth in lower stages of development, i. e, either 

 (i) absent, (2) simple, in one whorl, petaloid or sepa- 

 loid; (3) in two whorls, the inner polyphyllous; (4) in 

 two whorls, the inner gamophyllous, or (5) in one 

 whorl, in consequence of abortion of the inner whorls. 



A. Amentiflor^. — Male flowers usually, and female 



flowers often, in catkins ; perianth absent or haplo- 



chlamydeous and hracteoid. 



Order i. Salicales. — Flowers naked, plant 



dioecious, with cup-like disc, sometimes reduced to 



tooth-like scales; stamens 2 to many; carpels (2); 



gynoecium i-locular, with numerous anatropous 



ovules on parietal placentae ; capsule, with numerous 



