Order 138.— THE ORCHIDS. 287 



f Leaves all green. Lip obtuse, erect. LaMes' Tresses. Spibah'thes. 5 



f Leaves netted with white. Lip pointed, reflexed, 



Battlesnahe Fiantain, Goodte'ea. 



f Lvs. all green. Lip 3-lobed, recurved. South. OranioAis. Cram'iohis. 

 g Lip on the upper side of the fl., bearded. Leaf linear. Grass PinJe. Calopo'sow. 6 

 g Lip on the lower side (ovary twisted as in the other genera) h 



h Column free from the lip. Flowers purplish. Beari Fink. Poqo'nia. 7 



h Column growing to the lip. Yellow. On trees. S. JVse Or«A«s. Epiden'dktiii. 



1. OYPEIPE'DIUM. Lady's-slipper. 



The 2 lower sepals united into one piece or rarely distinct. Lip very 

 large, inflated, sack or slipper forni, obtuse. Column terminated by a 

 petal-like lobe (wbioh is the sterile stamen). Fertile stamens 2. — ^Boot 

 fibroiis. Leaves large, plaited. Flowers large and showy, one or few. 

 May-July. 



* Flowers yellow, one or more. Stems leafy 5, 6 



* Flowers white or rose-purple 1 



1 Stem leafy. Flower one" or more . . . -. 2-4 



1 0. acau'Ie. Stemless L. (Figs. 642-64i.) Scape naked, with 2 leaves at the base, 

 and 1 large flower at top. e. 



2 O. can'didnm. White L. Two lower sepals united. Flowers 1 only, smaller, 



white. "W. S. r. 



3 O. speotab'ile. Showy L, Two lower sepals united. Flowers few, very large, 



purplish, c. 

 i 0. Arieti'num. BamU-Eead L. Two lower sepals separate. Flower 1 only, 

 small, purplish. ' r. 

 5 O. pnbes'oens. Large yellow L. Moccasin Fl. Sepals narrow-lanceolate. Lip 



flattened at sides, pale yellow, c. (Fig. 89.) 

 O. panriflo'nim. Smaller yellow L. Sepals ovate-lanoeolate. Lip flat above and 

 below, bright yellow, c. 



2. OECHIS. Orchis. 



Flower ringent, sepals and petals similar ; all, or all but two, ascending 

 and arching over the column. Lip turned downward, entire or lobed, 

 produced at base into a spur beneath, which is distinct from the ovary. 

 Stamen 1, anther 2-celled, pollen-masses 2, consisting of numerous waxy 

 grains. — Flowers generally showy, in spikes or racemes. June- Aug. mostly. 



Note. — Under this genua we include two others, viz. :-Gymnadenia and Platanthera. The 

 beginner would find it difficult to separate them. See Class Book of Botany, p. 682, &o. No. 1, 

 is the true Orchis. Nos. 8, 9, 10, are Chynvnnd&nia^ and all the others belong to Plaia/nthera. 



