$ 
MALAXIDEÆ. PLEUROTHALLEÆ. 9 
Epidendrum corniculatum. Swartz Prodr. 123. 
Dendrobium corniculatum. Swartz! Fl. Ind. Occ. 1537. Willd, n. 9. 
Epidendrum ? monophyllum. Hooker. Exot FI. t. 109. 
Cymlidium corniculatum. Spreng. syst. 3. 722. 
Hab. in Jamaica; Swartz, Hooker. (v. s. sp. in Herb. Banks.) 
Pedicelli basi bracteà cucullatà suffulti. Sepala viridia. Petala dupld bre- 
viora medio purpurea. Labellum purpureum, lineari-lanceolatum, basi 
gibbosum. Columna apice dentata, Ovarium purpureum, verrucosum, 
teste Hookero. Folia ovalia marginata, apice bifida. Scapus capillaris, 
uniflorus, foliis dupló longior; ex exempl. Swartziano. 
4. Specxuinia floribunda. 
S. caule ancipiti folio oblongo-lanceolato dupld longiore, spicà flexuosá 
multiflorà folio zquali, labello trilobo 2-cristato. 
Dendrobium ophioglossoides. Sieber. Fl. Martin. exsicc. n. 206. 
Hab. in Martinica; Sieber. ( habeo s. sp. communic. amiciss. Prescot.) 
Caules numerosi, erecti, cespitosi. Folium apice integrum mucronulatum. 
Alabastra ovata. Sepala lanceolata: lateralibus basi saccatis carinatis. 
Petala spatulata, minora, denticulata. Labellum petalis zequale, trilobum, 
cristà duplici membranaceá longitudinali. Columna semiteres, clinandrio 
cucullato, membranaceo, antice dentato. Anthera certo certius unilocu- 
laris, polliniis 2, plano-convexis, apice materie viscidà coherentibus. 
? 5. SPECKLINIA linearis. 
S. caule ancipiti folio lineari-oblongo subtripld longiore, spicis capillaribus 
bifloris: altero folio subzquali, altero duplo breviore. 
Humboldtia purpurea. Flora Peruv. syst ! p. 233. 
Stelis purpurea. Pers. syn. 2.524. 
Hab. in Mexico et Peruvia; Pavon. (v. s. sp. defloratum in Herb. Lambert.) 
Caules cepitosi, 2-3-unciales, Folia uncialia, apice equalia, obtusa. 
HI. OCTOMERIA. 
Octomeria, R. Br. in H. Kew. ed. 2. v. 5. p. 211. 
Sepala patentia, equalia, basibus paulo connata, lateralibus cum basi le- 
viter productA columnz connatis sed nullo modo obliquis. Petala sepalis 
zqualia et conformia. Labellum basi saccatum, leviter trilobum, cum 
pede column:e articulatum, patens. Columna semiteres, elongata, basi 
leviter et abrupte productá, cum ovario continua, nec incumbens. 
Anthera terminalis, 4-locularis, cristà callosà. Pollinia 8, quaternatim 
cohzrentia, collateralia (0000 0000). Herbz caulescentes, caulibus 
teretibus articulatis, vaginis fibrosis vestitis, monophyllis, (rard foliosis). 
Folia coriacea. Flores axillares, fasciculati aut solitarii, (raro terminales 
racemosi). Pedicelli bracteis imbricati. 
This genus forms a transition from Pleurothallee to Dendrobiee. The 
differences between it and Eria will be noticed in speaking of the latter 
genus, to which I have to add the remarkable circumstance of all the 
pollen masses being collateral and not lying in pairs upon each other, 
a fact which I have learned from Mr, Bauer's elaborate drawings. Dr. 
Ooker's figure in the Botanical Magazine, t. 2764, is at variance with 
this statement ;—but I presume that excellent Botanist's specimens were 
* 
! à very imperfect state, as I find in the same plate the anther, which in 
April, 1830. c 
