ORCHID FAMILY. 467 
4. POGONIA Juss. Gen. Pl. 65. 1789. 
Mostly low herbs, the flowers terminal, solitary or in racemes, the leaves usually alternate 
or yerticillate. Sepals and petals separate, erect or ascending. Lip erect from the base of 
the column, spurless. Column elongated, club-shaped at the summit. Anther terminal, 
stalked, attached to the back of the column, its sacs parallel; pollinia 2, 1 in each sac, pow- 
dery-granular, without a caudicle. Stigma a flattened disk below the anther. Capsule ob- 
long or ovoid, erect or drooping. [Greek, bearded, from the bearded lip of some species. ] 
About 30 species, widely distributed. Only the following are known in North America. 
Sepals and petals nearly equal and alike. 
Lip crested. 1. P. ophioglossoides. 
Lip not crested. 2. P. trianthophora. 
Sepals longer and narrower than the petals. 
Stem bearing a single leaf near the middle. 3. P. divaricata. 
Stem bearing a whorl of leaves at the top. 
Lip crested along a narrow line down the face; peduncle as long as the capsule or longer. 
4. P. verticillata. 
Lip crested over the whole face and lobes; peduncle shorter than the capsule. 
5. P. affinis. 
1. Pogonia ophioglossoides (I,.) Ker. 
Rose Pogonia. Snake-mouth. 
(Fig. 1114.) 
Arethusa ophioglossoides ,. Sp. Pl. 951. 1753: 
Pogonia ophioglossoides Ker in Lindl. Bot. Reg. 
pl. 148. 1816. 
Stem 8/15’ high, 1-3-leaved, not rarely with 
a long-petioled basal leaf. Stem leaf or leaves 
1%4/-3/ long, lanceolate or ovate, erect, bluntly 
acute; flowers fragrant, pale rose-color, slightly 
nodding, large, solitary or occasionally in pairs, 
subtended by a foliaceous bract; sepals and petals 
about equal, elliptic or oval, 6’’-10’’ long; lip 
spatulate, free or somewhat appressed to the 
column below, crested and fringed; column much 
shorter than the petals, thick, club-shaped. 
In meadows and swamps, Newfoundland to On- 
tario, Florida and Kansas. Also in Japan. Roots 
fibrous. June-July. 
2. Pogonia trianthophora (Sw.) B.S.P. Nodding Pogonia. (Fig. 1115.) 
AN V4 
Arethusa trianthophora Sw. Kongl. Vet. Acad. Handl. 
(II.) 21: 230. 1800. 
Pogonia pendula Lindl. Bot. Reg. pl. 908. _ 1825. 
Pogonia trianthophora B.S.P. Prel. Cat. N. Y. 52. 
1888. 
Stem glabrous, 3/-S’ high, from a tuberous root, 
often clustered. Leaves 2-8, alternate, ovate, 3//— 
9’ long, clasping; flowers 1-7, on axillary pedun- 
cles, pale purple, at first nearly erect, soon droop- 
ing; perianth 6/’-8’’ long; sepals and petals about 
equal, connivent, elliptic, obtuse; lip clawed, some- 
what 3-lobed, roughish or crisped above, not crested, 
about as long as the petals; capsule oval, drooping, 
about 6’’ long. 
In rich woods, Canada (?), Rhode Island to Florida, 
Wisconsin and Kansas. Ascends to 3500 ft. in North 
Carolina. Local. Aug.—Sept. 
