NEOTTE €—SPIRANTHID. 463 
These plants are in foliage like Chloidia, Evelyna and Sobralia. 
]. Cnemipi4 angulosa. Lindl. in Wall. Cat. no. 7388. sub. Decaisnia. 
C. foliis ovato-oblongis acuminatis, sepalis ovatis acutis carinatis latera- 
libus ultrà medium connatis. 
Hab. in India orientali; in montibus prov. Sylhet, Wallich, Courtallum, 
‘ight 928. (hab. s. sp.) 
Caulis spithameus et ultra, simplex et ramosus, vaginis 4, laxis, rigidis, : 
distantibus, cucullatis, obtusis. Folia quasi opposita, 3-5 poll. longa, 
2-3 4 lata. Pedunculus foliis brevior. Spica brevis, densa, obtusa. 
Bractez lineares, acuminate, rigide, floribus breviores. Sepala et 
petala ovato-lanceolata, acuta, carinata. Labellum ovatum, acumi- 
natum. 
9. CNEMIDIA semilibera. 
C. foliis ovalibus utrinque acutis, sepalis linearibus obtusis lateralibus 
infra medium liberis. 
Hab. in India orientali, Wallich. (hab. s. sp.) 
This species is very like the last, but is rather larger, and has a longer 
spike. "The distinction in the flowers is remarkable with so little dif- 
ference of habit. 
CCLXVII. SPIRANTHES. 
Spiranthes. Rich. orch. europ. annot. 28. (1817). Endlicher genera plant. no. 1547. 
Gyrostachys. Pers. syn. 2. 511. (1807). Ibidium. Salisb. in hort. trans, 1. 261. 
(1812). Cyclopogon et Sarcoglottis. Presl. reliq, Henk. vol. 1. Aristotelia. 
Lour. fl. coch. Neottia. Plurimorum. 2 
Perianthium ringens. Sepala lateralia labello supposita, basi obliqua et 
in ovarium decurrentia; dorsale petalis agglutinatum. Labelium pedi 
productze columne affixum, unguiculatum, rarò sessile, oblongum, 
sepitis apice dilatatum nunc trilobum, semper callis duobus infra 
medium instructum, columne adpressum, eique marginibus inflexis 
arcte adherens. Columna basi arcuatum et ovarii apicem oblique ter- 
minans, in pede productum, teres; stigmate ovato, in rostellum 
acuminatum demüm bifidum, aut obtusum emarginatum, raró corneum 
indivisum: producto. — Anthera dorsalis, acuminata, v. obtusa, nunc 
membranà apiculata, bilocularis ; clinandrio utrinque membranaceo 
marginato. Pollinia 2, pulverea, bipartita, glandule communi oblonge 
affixa.———— Herbs, utriusque orbis, terrestres, sæpiùs parviflore et 
glanduloso-pubescentes, racicibus fasciculatis. Folia radicalia, nunc 
caulescentia, texturà Orchidis ; nunc omnino deficientia. Flores spicati, 
spirales, in sectione Sarcoglottide magni. 
The botanist who would separate Sarcoglottis from Spiranthes can I 
think do so only upon the ground assigned in the distinctive character 
here proposed for it as a section. At least I can find no positive structural 
mark of difference, the distinctions between the two depending upon 
slight variations in form, size and direction of the floral organs. 
From Goodyera Spiranthes is known by the two calli at the base of its 
labellum, which. adheres to the column by its middle, essential characters 
