754 ORCHIDE.K. (ORCHIS FAMILY.) 



{beak), between the cells of the anther ; stigma a glutinuut- 

 disk excavated in the face of the column, often furnislied at 

 one or both sides with a single or double gland {proscolla). 

 naked or enclosed iji a fold {pouch) of the stigma. Capsule 

 dehiscent by 3, longitudinal chinks. Seeds minute, sawdust- 

 like. Albumen 0. 



■'t Aiilhcr 1, coiinaic with column onhj at base, persistent marccsccnt. ruUinia nut caadlcalutc, 



granular or ■powdery. 



t Stigmatic glands 0. Labellum somewhat jointed, more or less saccate. 



1. OEPHxVLANTIIERA. Tall, leafy herb?;, with loose spikes of yellowisli or uiiitc llowers, 



.02 to .03 long. 

 t t Stigmatic glands existing, the poUinia adhering to them. 



2. LIMODOIIUM. Parasitic, leafless herbs, with livid flowers, .04 long. 



3. EPIPACTIS. Tall, leafy herbs, with greenish-purple flowers, .015 to .02 long. 



* * AnVier l,persistait, adnate to the whole column. PoUinia 2, caudiculate, consisting of shapclcx- , 

 waxy 7nasscs, united hj a rcch-likc, elastic axis, inserted on the caudiclc of the stigmatic gland. 

 f Glands double. 

 X Pouch one. 



4. TIN^A, Labellum sliort-spiured. Lateral sepals gibbous at base. 



5. OECHIS. Labellum long-spurred at lower and posterior aspect. Lateral sepals nut 



saccate at base. 



I X Pouches two. 



6. OPHEYS. Labellum not spurred, usually gibbous at base. 



XXX Pouch none. 



7. GYMNADENIA. Labellum with a spur (in ours) twice as long as ovary. 



t t Gland single. 

 6. SEEAPIAS. Flowers maroon-colored. Labellum defle.\ed, spurless, unequally 3 Icbed,' 

 lateral lobes rounded, terminal ovate. 



9. ACERAS. Flowers large, lurid. Labellum with falcate lateral, and strap-shaped. 



elongated, terminal lobe. 



10. ANA(J.\.MPi'lS. Flowers small, pink. Labellum equally 3-lobed, long-spurred. , 



1. CEPHAL.AKTHERA, Pdcli. Cephalantuera. 



Leaves of perigonium distinct, somewhat connivent, overlapping 

 labellum. Labellum constricted at middle, somewhat jointed, the 

 lower division {hypocliilium) somewhat sacculate, rarely spm-red, 2- 

 lobed, parallel with cohmm and connate with its base, upper joint 

 {epichiliwn or lamina) somewhat reflexed at tip. Column elongated, 

 erect. Anthers oblong, movable, athxed at back, cells distinct. PoUinia 

 two, cylindrical, 2-lobed. I'eak and proscolla 0. Ovary twisted — 

 Perennial herbs, growing from a rootstock. 



1. C. eiisifolia, Murr. 11 .4 to .8; root-stock horizonta], with 

 long fibres; stem grooved, stiff, densely leafy. Leaves in two rows, 

 ascending and spreading, lanceolate to linear, .08 to .2 long, acute. 

 Spike loose, many-flowered, glabrous; bracts ovate-lanceolate to ovate, 

 acute, minute, much sliorter than ovary; flowers with ovary .02 long, 

 white, the labellum with yellow spot at tip; ovary glabrous; sepals 

 lanceolate, acute; potnls elliptical ; labellum shorter than sepals, not. 



