450 ORCHID ACE^. (ORCHIS FAMILY.) 



8. POCr6lVIA, Juss. POGONIA. 



Flowe: irregular, the sepals and petals separate. Lip crested or 3-lobed. 

 Column free, elongated, club-shaped, wingless. Anther terminal and lid-like, 

 stalked: pollen-masses 2 (one in each cell), powdery-granular. Stem 1-5- 

 leaved. (Umywvias, bearded, from the lip of some of the original species.) 



1. POGONIA PROPER. Sepals and petals nearly equal and alike, pink-purple. 



1. P. opllioglossoides, Nutt. Boot of thick fibres; stem (6' -9' high) 

 bearing one clasping oval or lanceolate leaf near the middle, and a smaller similar 

 bract next the solitary flower; lip spatulate. beard-crested and fringed. Bogs; 

 common. June, July. Flower handsome, 1' long, pale purple, rarely 2 or 3. 



2. P. pendllla, Lindl. Stem (3' - 6' high) from oblong tubers, bearing 

 3 or 4 alternate ovate-clasping small leaves, and nearly as many drooping flowers 

 on axillary pedicels ; lip spatulate, somewhat 3-lobed, roughish or crisped above, 

 but not crested. (Triphora, Nutt.) Rich damp woods, from W. New Eng- 

 land southward and westward : rare. Aug., Sept. Flowers whitish, tinged 

 with pink, 1' long; sepals and petals erect. 



$ 2. ODONECTIS, Raf. Sepals linear, much longer than the erect petals: Up 

 3-lobed, the middle lobe crested : flowers dingy purple. 



3. P. verticillata, Nutt. Root of thick fibres; stem (6' -12' high) 

 bearing a whorl of 5 oval or oblong-obovate pointed sessile leaves at the summit, 1- 

 flowered; sepals erect (l'-2 f long). Bogs; W. New England to Michigan, 

 Kentucky, and southward : scarce. June. 



4. P. divaricata, R. Br. Stem (2 high) bearing one lanceolate leaf m 

 tlie middle, and a leafy bract next the single flower; sepals widdy spreading (2'- 

 *' long). Wet pine-barrens, Virginia and southward. May. 



9. CALOPOGON, R. Brown. CALOPOGON. 



Flower with the ovary or stalk not twisting, therefore presenting its lip on the 

 upper or inner side ! Sepals and petals nearly alike, lance-ovate, spreading, 

 distinct. Lip rather spreading, raised on a narrowed base or stalk, dilated at 

 the summit, strongly bearded along the upper side. Column free, winged at 

 the apex. Anther terminal and lid-like, sessile : pollen-masses 2 (one in each 

 cell), of soft powdery grains. Scape from a solid bulb, sheathed below by the 

 base of the grass-like leaf, naked above, bearing several flowers. Bracts minute. 

 (Name composed of KaAos, beautiful, and 7ro>y<Bi/, beard, from the bearded lip.) 



1. C. pillchellllS, R. Brown. Leaf linear; scape about 1 high, 2-6- 

 flowered ; lip beautifully bearded towards the dilated summit with white, yel- 

 low, and purple club-shaped hairs. Bogs; common. July. Flowers 1' 

 broad, pink-purple, fragrant. 



10. CAL.YPSO, Salisb. CALYPSO. 



Sepals and petals nearly similar, ascending, spreading, lanceolate, pointed. 

 Lip larger thin the rest of the flower, sac-shaped, inflated, 3-lobed at the apex, 



