352 ORCHIDE.E, [Oncnis. 



** Upper lobe of lip flat, lower 2-lobed 11. Listera. 



Lateral sepals and petals ascending. 



Lip arlnate to the base of the column, not saccate 12 Spiranthes. 



Lip free from the base of the column, saccate 13. Goodyeni. 



TRIBE IV. MALAX IDE-ffi. A nther a 2-celled cap, hinged to the back, 



front, or top of the column ; pollen-masses_4,_waxy. 



Leafy. Lip superior. Column short 14. Malaxi*. 



Leafy. Lip inferior or superior. Column slender. 1">. Lipari*. 



Leafless. Lip inferior 16. Corallorhiza. 



TRIBE V. CYPRI'PEDIEJE. Anthers 2, lateral. 17. Cypripediuni. 



1. OR'CHIS, I.. 



Tubers globose ovoid or palmate. Leaves chiefly radical, sheathing. 

 Flowers spiked. Sepals and petals ascending, connivent or the lateral 

 sepals spreading. Lip spurred, decurved. Anther confluent with tin- 

 column, cells diverging at the base ; pollen-glands in a common pouch ; 

 rostellum projecting between the pouches. DISTRIB. Europe, N. Am*, 

 W. Asia to the W. Himalaya, rare in N. America ; species about 70. 

 ETYM. The old Greek name. 



SUB-GEX. 1. Or'cbia proper. Lobes of lip not spirally coiled. PoUen- 

 glands not connate. 



* Lateral tepals spreading or reflexed. 



1. O. mas'cnla, L. ; tubers ovoid, leaves usually spotted, spike lax, 

 bracts 1 -nerved coloured, Iip3-lobed longer than the ovary. Purple Orchis. 

 Copses and pastures ; ascending to 1,500 ft. in the Lake district ; ft. April- 

 June. Stem 6-18 in. Leaves narrow-oblong, obtuse, spots purple-black. 

 Bracts equalling the ovary. Flower red-purple, rarely white ; sepals $ in. , 

 acute or obtuse ; lip as broad as long, margins recurved, spotted with purple, 

 mid-lobe longest crenate, tip notched ; spur stout, obtuse, variable in 

 direction. DISTRIB. Europe, N. Africa, W. Siberia. Yields salep. 



2. O. laxiflo'ra, Lamk. ; tubers globose, leaves lanceolate, spike lax, 

 bracts 3-5-nerved coloured, lip 2-3-lobed, spur 4 as long as the ovarv. 

 Wet meadows, Jersey and Guernsey ; fl. May-June. St<*m 1-3 ft., grooved. 



Leaves .cauline and radical, acuminate, not spotted. Bracts as long as the 

 slender ovary. Flowers 1 in. from upper sepal to tip of lip, bright red- 

 purple ; sepals and petals obtuse ; lip as broad as long, sides reflexed, 

 spotted, lateral lobes very large, crenulate, longer than the middle m'. 

 which is sometimes wanting ; spur stout, obtuse, variable in direction. 

 DISTRIB. Europe from Belgium to Portugal and eastwards. 



3. O. latifo'lia, L. ; tubers palmate, leaves usually spotted, spike 

 dense, bracts 3-nerved green, lip obscurely 3-lobed, spur usually shorter 

 than the ovary. 0. palmata,, Syme. Marsh 0/vA/s. 



Moist meadows, &c. ; ascending to near 1,600 ft. in Northumberland ; fl. 

 Juno-July. Stem 1-3 ft., usually tubular, leafy upwards. Leaws oblong or 

 lanceolate. Bracts mostly exceeding the flowers. F/o>rers in. from upper 

 sepal to tip of lip, dull purple ; sepals and petals obtuse or acute ; lip 

 spotted with purple, margins recurved, mid-lobe narrowest ; spur nearly 

 straight or decurved. DISTKIB. Europe, N. Africa ? N. Asia, Himalaya. 



