426 ARETHUSE.E. 
nata, lateralibus latioribus, apice obliquis. Petala spathulata, colla- 
teralia, apice oblique inflexa. Labellum integerrimum apice truncatum 
apiculatum, vel obsolete trilobum, columnam amplexans eique semiad- 
natum, intüs nudum. Columna semiteres, clavata, stigmate excavato. 
Anthera terminalis, bilocularis, stipitata, loculis disjunctis parallelis. 
Pollinia 4, per paria apicibus connata.————- Herba (epiphyta ?) Indica, 
acaulis, radicibus fibrosis. Folia lata, graminea. Scapus radicalis, bàsi 
vaginatus, apice racemosus. 
I know this genus only from a bad dried specimen, a single imperfect 
flowerbud, and an Indian drawing. The pollen masses I have not seen, 
but they seem to be powdery if I can trust the Indian drawing. Perhaps 
it ought to be stationed near Acanthophippium. 
1. ANTHocoNiUM gracile. Wallich. Cat. Herb. Ind. no. 7398. 
Hab. in Napalia, Wallich. (hab. s. sp. et v. ic. pict.) 
Folia sesquipedalia, 4-8 poll. lata, graminea, radicalia, scapus foliis pauld 
brevior, apice flores 7-8, pollicares, sanguineos in racemo gerens. Petala 
linearia, acuta, libera, sepalis angustiora. 
CCXXXIX. ARETHUSA. 
Arethusa. Gron. virg. 184. Swartz. act. holm. 1800. p. 230. t. 3. f. 0. Brown. H.K. 
5.205. Endlicher. genera no. 1602. 
Perianthium galeatum, sepalis basi coherentibus, petaloideis, ascendentibus. 
Petala conformia, fornicata. Labellum basi columne adnatum, superne 
cucullatum, disco intüs villosum. Columna apice petaloideo-dilatata. 
Herba boreali-americana, terrestris, aphylla, tuberosa, scapo 
unifloro distanter squamato. Flos terminalis, basi bibracteolatus. 
1. Areruusa bulbosa. Linn. sp. pl. 1346. Willd. sp. pl. 4. 80. Pursh. 
fl. am. sept. 2. 590. Lam, illustr. t. 729. fig. 1. Bot. Mag. t. 2204. 
Lodd. Bot. Cab. t. 1170.  Bauer's illustr. t. VII. fructification. 
Hab. in America septentrionali; Canada Gouldie, Nova Scotia Menzies, 
usque ad Carolinam in sphagnetis Pursh. (hab. s. sp.) 
Flowers purple, sweet-scented. 
Arethusa petrza, Afzelius in Pers. syn. 2. 512, is perhaps the same as Ga- 
leandra extinctoria. 
Arethusa tigridizfolia, Llave orch. mer. 2. 14., does not belong to the 
genus, nor do I know what it can be. 
CCXL. ERIOCHILUS. 
Eriochilus. Brown Prodr.1.323. Endlich, gen. no. 1592. 
Perianthium bilabiatum, sepalo supremo breviore erecto, lateralibus ungui 
