148 
POGONIA ophioglossoides. 
Adder’s-tongue-leaved Pogonia, 
GYNANDRIA MONANDRIA. 
Nat. ord. Orcniprx. Jussieu gen. 64. Brown prod. 309. 
Div. IIL, Anthera terminalis, inserta, persistens. Masse pollinis 
v. pulverew v. & corpusculis angulatis:; basi vy. infra apicem  affixe. 
Brown in Hort. Kew. ed. 2. 5. 201. 
POGONILA. Labellum sessile, cucullatum, intis cristatum. Pes 
tala 5 distincta, eglandulosa, Pollen farinaceum. Brown in Hort 
Kew. ed. 2. 5. 203. 
P. ophioglossoides, radice fibrosa, scapo dissité bifoliato 1-2-floro, foliig 
ovali-lanceolatis, labello fimbriato. Pursh amer. sept. 2. 590; (sub 
ARETHUSA). 
Arethusa ophioglossoides. Linn. sp. pl. 2. 1346. Michaux bor. amer. 
2.159. Lamarck illustr. t. 729. f. 23; (de sicco). Willd. sp. pl. 4. 
so. 
Arethusa radice fibrosa, scapi folio ovali, foliolo spathaceo lanceolato. 
Gron. virg. ed. 2. 139. 
Cypripedium folio caulino ovato-oblongo, 
Gron. virg. ed. 1. 110. 
Helleborine virginiana ophioglossi folio D. Banister. Pluk. alm. 182. t. 
93. f. 2. 
H. aquatica flore in'summo caule unico carneo, barba purpurea fimbriata, 
foliis ophioglossi, radice fibrosa. Clayt. MSS. n. 77. 
Radix crassé fibrosa, simplicior, rigida, horizontalis. 
simplex, bifoliatus, uncias 5 altus. Folia 2 semivaginanti-decurrentia, lamind 
ovali-lanceolata 3-5-nervt, inferioris subsesquiuncialr, superioris vix semunciali. 
Flos 1 (vir 2?) semuncialis, nutans 1 ablongo-semicampanulatus, semiri 
mgens ¢ 
pet. 5, dilutids lilacina, fornicato-ascendentia, isometra, 3 exteriora nies 
gentia lineari-lanceolata duplo ang 
ustiora magisve, concava, 2 interiora ob- 
ovato-oblonga sub summo medio imbricato-conniventia. Labellum » 
pandurato-obovatum, fimbria brevi patente pectinato-incisaé transverse purpureo= 
striata barbatum, intis pilis densis supra equatis inferné versis decrescentibus 
cristatum, bast subventricosum. Columna transverse striata lineis purpureis, 
duplo brevior et appressa labello, semiclavata, dorso rotundata, facie plana, Sus 
pra utrinque dentato-fissa lobulis contiguis, inferné complexa marginibus involu- 
tis unguis labelli. Operculum antheree antrorsiim column continuo-connexum. 
terminali lanceolato plano. 
Caulis erectus, 
rx longius, 
Ln NE OS ST LE AE A ET OA A ta eg ne ree 
This singular little plant was introduced by Mr. Nuttall, 
to whom our collections are indebted for several of their 
rarest specimens. Native of North America, from Ca- 
nada to Carolina, and grows in mossy bogs and swamps, 
Although well known in our books, and represented by two 
figures from dried spontaneous specimens; it has, we be- 
R& 
