GEXUS 22. 



ORCHID FAMILY. 



i. Malaxis monophylla (L.) Sw. White 

 Adder's-mouth. Fig. 1406. 



Ophrys monophyllos L. Sp. PI. 947. 1753- 



Malaxis monophyllos Sw. Vet. Akad. Nya Handl. 21 : 

 234. 1800. 



Microstylis monophylla Lindl. Bot. Reg. pi. 1290. 

 1829. 



Achroanthes monophylla Greene, Pittonia 2 : 183. 

 1891. 



Stem slender, 4'-6' high, smooth, glabrous, 

 striate. Leaf sheathing the stem at its base, the 

 blade i'-2' long, i'-ii' wide; raceme i'~3' long, 

 narrow, 3"-s" thick; flowers whitish, about i" 

 long; pedicels nearly erect, bracted, i"-2" long; 

 .-rpals acute; lip triangular or ovate, acuminate, 

 the lateral lobes obtuse; capsule oval, about 3" 

 long. 



In woods, Quebec to Manitoba, Pennsylvania and 

 Nebraska. July. 



2. Malaxis unifolia Michx. Green 

 Adder's-mouth. Fig. 1407. 



M. unifolia Michx. Fl. Bor. Am. 2: 157. 1803. 

 Achroanthes unifolia Raf. Med. Rep. (II.) 5 : 352. 



1808. 

 Microstylis ophioglossoides Nutt. Gen. 2 : 196. 



1818. 



Stem glabrous, striate, 4'-io' high. Leaf 

 clasping the stem near the middle, oval or 

 nearly orbicular, \'-2\' long, io"-ii' wide; 

 raceme i'~3' long, sometimes i' thick; flowers 

 greenish, about i" long, the pedicels very slen- 

 der, spreading, 3"-5" long; sepals oblong; lip 

 broad, 3-toothed at the apex; capsule oval or 

 subglobose. 



In woods and thickets, Newfoundland to On- 

 tario and Manitoba, south to Florida, Alabama 

 and Missouri. Ascends to 4000 ft. in North Caro- 

 lina. July. 



Malaxis paludosa (L.) Sw. (Sturmia paludosa 

 Reichb.), a small species, with several basal leaves 

 and very small flowers, otherwise known only 

 from Europe and Asia, has been found in Otter 

 Tail County, Minnesota. 



23. LIPARIS L. C. Richard, Mem. Mus. Paris 4: 43, 60. 1817. 

 [LEPTORCHIS Thouars, Nouv. Bull. Soc. Philom. i : 317. Hyponyrn. 1809.] 



Low herbs, with solid bulbs, the base of the stem sheathed by several scales and 2 broad 

 shining leaves. Flowers in terminal racemes. Sepals and petals nearly equal, linear, spread- 

 ing, petals usually very narrow. Column elongated, incurved, thickened and margined above. 

 Pollinia 2 in each sac of the anth.er, smooth and waxy, the pairs slightly united, without stalk, 

 threads or glands. Lip nearly flat, often bearing 2 tubercles above the base. [Greek, fat, 

 referring to the texture of the leaves.] 



About 100 species, widely distributed in temperate and tropical regions; only the following 

 known to occur in North America. Type species : Liparis Loesclii (Willd.) L. C. Rich. 



The name Lcptnrchis, used for this genus in our first edition, appears, after an examination 

 of its first publication, to be intended only as a French designation, not Latin. 

 Raceme many-flowered ; lip as long as the petals. i. L. liliifolia. 



Raceme few-flowered; lip shorter than the petals. 2. L.Loeselii. 



