696 ORCHIDES. 



RODRIGUEZIA. 



April." (N. 1260.) A finer species witli flowers IV^" long. The lower sepal is bent 

 backwards, so as lo resemble a pendulous bontshaped process. 

 Rchb. fil. Bonpl. III. 66. Ocanna. 5000'. Warz. Wagensr. 



18. RODRIGUEZIA REFRACTA Rchb. fil. 1. c. Burlingtonia refracta Lindl. Garden. 

 Chronicle 1853. 22. Oct. 679 b.: 



Sepalo anteriore inlegerrimo acuminato refracfo calcar depressum 

 spatulalum involvente, petalis obovalis apiculalis apice recurvis, labello 

 apice semicirculari emarginato medio conslricto infra medium undulato, 

 lamelia dupbci carnosa plana in discum lineisque 2 elevatis utrinque, 

 columnae glabrae alis calvis 2 linearibus erectis, 2 oblongis dimidiatis 

 porreclis. 



Stemiess. No beauty. Recurved 5—7 flowered racemes , shorter ihan the solitary 

 oblong leaves. The scentless flowers are dirty wliite , a litlle stained witU purple, 

 about as large as in B. candida. The double front sepal, instead of curving upwards 

 beneath tiie lip, is direcled backwards, and entirely envelopes a long narrow de- 

 pressed spur. The small wings of the coluBin arc sonietimes longer, sometinies 

 shorter. than the anther, the front of which is blunt and hooked downwards. The 

 elevations of ihe lip are spoited with duU red. We received a live specimen from 

 Mr. Skinner. Dried specimens : Saota Martha Purdie. 



Dubia. 

 Burlingionia nivea Lindl. B. R. 1927. (lin. penult. descr. Burlingtoniae rigidae) 

 calami lapsu pro candida? Cerie. 



1457. MACRABEIVIA RBr. 



Bot. Reg. 612. (1822). 



1. MACRADENIA LUTESCENS RBr. 1. c. 



2. MACR.ADENIA TRIANDRA Lindl. Bot. Reg. XXL (1836.) 1815: 



Foliis coriaceis lineari-oblongis acuminatis, racemo prostrato, labello 

 in medio trilamellalo, clinandrio serrato, antheris duabus sterilibus. 



Pseudobulbi cylindracei paulo attenuati. Folia piurivenia. Racerai foliis multo 

 breviores. Sepala et petala intus sanguinea herbaceo limbata. Labelli lamellae 

 roiundatae, costaeformes , antrorsae, crassiores. Aniherae steriles ovales, integrae, 

 sanguineo marginatae. 



Obs. Forsan huc pertinet: Bhynchadenia A. Rich. in Bnmon de Sagra Cub, 248. 

 Sepala exlerna libera, subapproximata, aeqjualia , supremo concavo, 

 omnia apice apiculata; interna (petala) subsimilia , paulo angustiora, 

 aequilonga; labellum basi cum gynostemio continuum nec articulatum, 

 parallelum. semicanaliculatura, sensim amplialum, apice truncalum, hinc 

 et illinc oblusum, ligulalum, ligula abrupta iinearis acula, Irinervia, re- 

 voluta. Gynostemium elongalum, arcuatum, margine apiceque alatum; 

 ala terminalis ampla , inaequaliter dissecto denticulata; roslellura elon- 

 gatum angustum, glandula oblonga elliptica terminatum; pollinia 2 in- 

 tegra in caudicula lenui membranacea, postice lata, sensira attenuata et 

 longe angustata lineari insidentia; glandula terminali. 



Herbae epiphytae. Pseudobulbi parvuli ovoideo oblongi longe alte- 

 nuati, apice monophylli; scapus radicalis 1 — 3 florus. 



Hhynchadcnia cubensis A. Rich. Tab. 85: 



Foliis elliptico lanceolatis acuiis submembranaceis. basi articulatis ; scapo radicali 

 folio breviori, 1— Sfloro, simplici aut bifldo; floribus parvulis pallide purpureil. 

 Cuba. 



