ARETHUSEE. 413 
| CCXXXII. POGONIA. 
Pogonia. Juss. gen. 65. R. Brown in hort. Kew. 5. 203.—— Triphora. Nutt. gen. II. 192. 
Odonectis Rafinesque in N. York-med. repos. Journ. Bot. 1. 221. Tsotria, 
Id. in Journ. Phys. 89. 261.—Nervilia. Gaudich. ad Freycin. 421. t. 35. 
Perianthium irregulare, subringens, patulum, sepalis petalisque liberis, 
nunc similibus nunc difformibus. Labellum liberum, ecallosum, cum 
columnáà elongatà parallelum, petaloideum, trilobum, disco lamellato 
cristato aut villoso. Columna elongata, clavata, marginata aut semiteres, 
apice subauriculata. Anthera stipitata, bilocularis. Pollinia 2, sulcata. 
Herba terrestres, habitu variz, tuberculis sphaericis cauliculum 
descendentem terminantibus. Folia in Nerviliis hysteranthia plicata. 
$ 1. Eupogonia; caule florido foliato, sepalis petalisque subconformibus. 
l. Poconta ophioglossoides. Nutt. gen. 2. 1929. Bot. Reg. t. 148. 
Hook. exot. fl. 70. Elliott. Carolina, 2. 496. 
P. folio solitario ovali-lanceolato, bracteà foliaceà, sepalis petalisque 
coloratis obtusis subaequalibus, labello oblongo obtuso serrato basi an- 
gustato apice integro: axeos glandulis inferioribus minoribus pubescen- 
tibus superioribus elongatis glabris cristatis. ` 
Arethusa ophioglossoides. Zinn. sp. pl. 1346. Pursh, ft. am. sept. 2.591. Lam. illustr. 
t. 729. f. 2. 
Hab. in America septentrionali, in turfosis sphagnetisque, a Canada ad 
Carolinam, Pursh. &c. (hab. s. sp.) 
The flowers are usually bright pink, but according to Pursh they are 
sometimes white. According to Elliott the leaves vary from narrow-lan- 
ceolate and very acute to oval-lanceolate scarcely acute, with the stem 
shorter and flowers larger. à 
' 2. PocoN1A pendula. Lindl. in Bot. Reg. t. 908. 
P. foliis ovatis squameformibus amplexicaulibus, floribus axillaribus nu- 
tantibus, pedunculo foliis multd breviore, sepalis patulis petalisque erectis 
linearibus obtusis conformibus, labello apice trilobo medio granuloso : 
lobis lateralibus rotundatis intermedio oblongo crispo brevioribus, ovario 
obsolete? hexaptero. 
Arethusa parviflora. Mich. am. bor. 2. 160. 
Arethusa trianthophoros. Swartz, act. holm. 1800. p. 230. 
Arethusa pendula. Willd. sp. pl.4. 82. 
Triphora pendula. Nuttall. gen. am.2. 193. Elliott, Carol. 2. 498. 
Helleborine mariana, &c. Pluk. mant. 100. t. 348. f. 6. 
Hab. in America septentrionali; in sylvis umbrosis ad fagorum radices, a 
Novo Eboraco ad Kentucky, Pursh ; Canada, Douglas ; in Caroline agro 
humido fertili, Elliott, (hab. s. sp.) 
Flowers small, white, tinged with pink. 
3. Poconia gentianoides. "ch 
P. caule multifloro subcorymboso, foliis squameformibus cucullatis Fm 
rotundatis, pedunculis bracteis acuminatis trinervibus multd ie et "s 
petalis sepalis brevioribus, labelli apice trilobi lacinià medià subrotun 
plicatà lateralibus minoribus ovatis integris lineis tribus elevatis ex- 
asperatis per axin productis. 
March, 1840. HHH 
