ORCHIDEJE. 155 
It flowered in April, this year, in the green house. It is near C. breviraceino 
Havara, but differs from it in having oblong sepals and much shorter 
labellum. 
Cremastra triloba  Havara sp. nov. Herba terrestris, rhizomate 
erecto tuberoso ovoideo-globoso, 11 em.longo, basi totiusque lato, apice 
acuto, basi latissimo, 2-9. nodoso, ad nodos vaginato, (vaginis defectis), ad 
apicem folium unum gerente, ad nodos juxta apicem scapum unum gerente. 
Folia solitaria longe petiolata, basi petiolum 1 (vel 2?) vaginis instructa, 
(vaginis petiolum in longitudine superantibus apice plus minus dilatatis ob- 
tusis) petiolis 10-12 em. longis dimidium laminsz in longitudine sequantibus, 
subteretibus, tubulosis, laminis cum petiolum articulatis, elliptico-lanceolatis, 
30 em.longis, 5 em.latis, apice acutis, basi attenuatis linearibus, (partibus 
linearibus 6-7 em.longis 95 mm.latis. plieatis, petiolis artieulato-continuiis) 
membranaceis, venis elevatis subplieatis. ^ Scapi solitarii, | 30-40 em. alta, 
teretes, 5 mm.in seetionis diametro, basi 2-nodosi, internodiis inferioribus 
4 cm.longis, superioribus 10 em. longis, ad nodos vaginatis, (vaginis tubulosis, 
5-6 em.longis, apice acutis vel obtusis,) partibus florigeris 10-15 em. longis, 
racemosis. Flores  ascendento-patentes, vel  erecto-patentes, plus minus 
secundi, 3 em.longi, segmentis conniventibus apice vix patentibus, pedicellis 
(cum ovariis) 12 mm.longis, bracteis lanceolatis S mm.longis. Sepala sub- 
zequalia eonniventia, lineari-oblaneeolata, apice acuta, basi attenuata, postieum 
33 mm. longum 4 mm. latum, basi non contractum, lateralia plus minus | ob- 
liqua. — Petala angustiora lineari-oblanecolata, breviora quam sepalis, 30 mm. 
longa, 3 mm.lata, apice aeuta, basi attenuata. ^ Labellum lineare, sepalum 
postieum in longitudine sequans, 33 mm. longum, versus apicem 3-lobatum, 
(lobo medio oblongo, 8 mm..longo 3j mm.lato, apiee obtuso vel rotundato 
basi non contraeto, lobis lateralibus angulo 45^ divaricatis lanceolato- 
triangularibus basi latere inferiore aurieulatis plicatis 4 mm.longis apice 
obtusis vel acutis), basi lobi medii 1-appendieulatum, appendiculis liguliformi- 
bus liberis crassiusculis minute-tubereulatis, margine a lobis lateralibus usque 
ad basin plicato-inflexum, basi leviter ventriceosum, Columna linearis 25 mm. 
longa, labello brevior, exalats, apice dilatata, partibus dilatatis obtriangulari- 
bus, 2-4 mm. latis, rostellum latissimum. —Pollinia 4. 
