150 COMMON CANADIAN WILD PLANTS. 



2. Habena'ria. The lateral sepals usually spreading. The glands i.r viscid 



disks of the pollen-masses not enclosed in a covering. Flowers in spikes. 



+- *- Lip without a spur. Anther on fhf hiti-lc of ///, coin inn. Flowrx .<ninll, 

 white, in a xlemlcr spike. 



3. Spiran'thes. Spike (of white or whitish flowers) more or less spirally 



twisted. Sepals and petals narrow and generally comment. Lip oblong, 

 the lower part embracing the column, and with a protuberance on each 

 side at the base. 



4. Goodye'ra. Flowers very much as in Spiranthes, but the lip xac-x>ni/><'</, 



and without protuberances at the base. Leaves white-veiny, in a tuft at 

 the base of the scape. 



-- -i- <- Lip icithout a spur. Anther on the apex of the style, In'mjed like a lid. 

 *+ Pollen-masses 2 or L, powdery or pulpy, without stalk or gland. 



5. Lis'tera. Flowers small, greenish or brownish-purple, in a spike or raceme. 



Stem bearing a pair of opposite sessile roundish leaves near the middle. 

 Lip Hat, mostly drooping, 2-lobed at the apex. 



6. Calopo'goii. Onary not twiste.J, the lip consequently turned toicanls Hi? 



stem. Flowers large, pink-purple, 2-6 at the summit of the scape ; the - 

 lip spreading at the outer end and beautifully bearded above with col- 

 oured hairs. Leaf grass-like, only one. Pollen-masses 4. 



7. Aretlui'sa. Flower solitary, large, rose-purple. Lip dilated, recurvcd- 



sprcading at the end. Sepals and petals lanceolate, nearly alike, arching 

 over the column Pollen-masses 4. Scape low, sheathed, from a globular 

 solid bulb, with a single linear nerved leaf hidden in the sheaths of the 

 scape. 



8. Pogo'nia. Flower solitary, irregular, large, sweet-scented, pale rose colour 



or white. Coluirm club-shaped. Lip crested a:id fringed. Pollen-masses 

 2. Steiii 6-9 inches high, with a single oval or lance oblong leaf near the 

 middle, and a smaller one, or bract, near the flower. 



*+ -+ Pollen-masses k, smooth and waxy, attached directly to a large </lainl : 

 no stalks. 



9. Calyp'so. Flower solitary, large, showy, variegated with purple, pink, 



and yellow. Lip large, inflated, sac-shaped, 2-pointed under the ap< \ 

 Scipe short, from a solid bulb, with a single ovate or slightly heart- 

 shaped leaf below. 



*+ ** ++ Pollen-masses 1+ : no stalks or <jlands. 



10. Micros'tylis. Small herbs from solid bulbs ; the scape bearing a single 



leaf and a raceme of minute greenish flowers. Column very small, terete, 

 with 2 teeth at the top, and the anther between them. Petals thread- 

 like or linear, spreading. 



11. Liip'aris. Small herbs, from solid bulbs ; the low scape bearing 1 radical 



leaves and a raceme of a few greenish flowers. Column elon- 

 incurved, margined at the apex. Petals thread-like or linear, spreading. 

 Anther lid-like. 



