668 CXLVIII. OECHIDEJ;. (J. D. Hooker.) 



TRIBE II. Vandeee. Anther 1, posticous, opercular, resting on the 

 rostellum, cells usually confluent. Pollinia waxy, usually 2 or 4 in super- 

 posed pairs, attached singly or in pairs to a gl md or process of the rostellum 

 which is carried away with them when they are removed. 



Subtribe 1. EULOPHIE^E. Leaves on pseudobulbs, plaited and nerved. 

 Scape leafy or not. Lip spurred. 



Subtribe 2. CYMBIDIEJE. Leaves on psendobulbs, plaited and nerved. 

 Scape leafy or leafless. Lip not spurred. Column not produced into a 

 foot. 



Subtriba 3. SARCAXTHX.!'. Stem without pseudobulbs, rooting. Leaves 

 distic, "y 0), not plaited. Peduncle lateral or axillary. 



Subtribe 4. KOTYLIEJ;. Stem with a 1-leaved pseudobulb, or slender. 

 Leaves small, distichous. Anther behind and parallel to the terminal 

 erect or inclined rarely horizontal rostellum. Pollinia with a simple or 

 double snipes, pendulous from the tip of the rostellum. 



TRIBE III. Weottiese. Stem not bulbous (roots often bulbous). 

 Anther 1, posticous, opercular, or erect and persistent ; cells distinct, parallel. 

 Pollen granular, powdery or in small masses. 



Subtribe 1. VAN'LLE^E. Stem tall, erect or climbing, often branched. 

 Racemes or panicles terminal or terminal and axillaiy. Anther suboper- 

 cular, incumbent on a short rostellum. 



Subtribe 2. CORYMBEJS. Stem tall, sometimes branched. Leaves 

 broad. Racemes or panicles terminal. Anther erect, p'arallel to the erect 

 rostelluto. 



Snbtvibe 3.' SPIRANTHE^E. Stem simple erect ; root not tnberous. 

 Leaves membranous or 0. Anther erect or inclined forward, parallel to the 

 elongate rostellum. 



Subtribe 4. DIURIDE^;. Stem simple, erect from an underground tuber. 

 Anther erect or inclined forward ; rostellum usually short. 



Subtribe 5. AEETHUSE^:. Stem simple, erect from an underground tuber. 

 Anther opercular, incumbent or suberect. 



Subtribe 6. LIMODOKE^E. Stem simple, usually leafy, erect from an 

 underground rootstock. Anther opercular, incumbent or suberect. 



TRIBE IV. Ophrydese. Antlier 1, posticous, erect, inclined or 

 reflexed. Cells parallel or diverging, adnate to the column and often con- 

 tinuous with the rostellum. Pollinia 1, rarely 2 in each cell, granular, 

 produced into short caudicles attached to a gland or to the rostellum. 

 Terrestrial herbs. 



Subtribe 1. EUOPHRYDE.E. Anther erect. Pollinia with their glands 

 enclosed in a pouch of the rostellum. 



Subtribe 2. HABENARIETE. Anther erect. Pollinia with their glands 

 naked or partially included in a groove or fold of the rostellum. 



Subtribe 3. DISE^. Anther reclinate or reflexed on the back of the 

 column, rarely suberect. Stigma broad, subterminal or subadnate to 

 the lip. 



TRIBE Y. Cypripediece. Anthers 2, one on each side of the ros- 



