71 



cover over the apparatus for fertilization, an arrangement 

 which is probably connected with the peculiar manner in 

 which that important function is in this plant performed, is 

 again extremely different from the open five-lobed cup of 

 the genus limited as I have proposed. To the present very 

 curious genus I beg to affix the name of Professor Charles 

 Morren of Liege, the discoverer of the manner of cultivat- 

 ing Vanilla, so as to make it produce with certainty a crop 

 of its aromatic fruits, and one of the most distinguished 

 Vegetable anatomists of the present day. 



Morrenia. Sepala 5, llnearia, inter petala erecta. Corolla rotata; laciniis 

 patentissimis acuminatls. Corona tubulosa, quinquangularis, 5-loba ; lobis 

 valvatim conniventibus et genitalia omnino occludentibus. Stamina lobis 

 coronse opposita. Antherae lamina membranacea stigmati appressa apicu- 

 latae. Pollinia pendula, margine superiore debiscentia. Ovaria spharoidea, 

 ventricosa. Stigma convexum, apiculatum, bilobum. 



1. Morrenia odorata Cynancbum odoratum. Hooker Sf Arnott in Jour- 

 nal of Botany, vol. 1 . p. 294. 



130. CYPELLA plumbea. 



C. plumbea ; caule simplici glauco, sepalis obovato-cuneatis, petalis basi cunea- 

 tis apice dilatatis apiculatis medio pubescentibus, stylorum laciniis laterali- 

 bus acinaciformibus complicatis in cristam triplicem reflexis : intermediis 

 transversis bicornibus. 



Caulis 3-4-pedalis, glaueus, teres, pennas cygnese crassitudine. Folia distantia, 

 basi vaginantia, equitantia, ensiformia, plicata, glauca ; suprema in spatbam 

 convolutam mutata. Flores matutini fugacissimi, sambucum spirantes. 

 Perigonium 31 pollices latum, medio concavum, apice recurvum ; laciniis 

 basi longo intervallo distantibus. Sepala obovato-cuneata, membranacea, 

 pallide plumbea, in unguem lutea badio lentiginosa. Petala pluries minora, 

 basi cuneata carnosa patula, apice dilatata apiculata membranacea et 

 revoluta, basi et apice glabra, medio pubescentia, in unguem fusco-purpureo 

 interrupts fasciata, in concavitate lutea coeruleo limbata, limbo revoluto 

 flavo. Stamina 3 fertilia sepalis opposita ; filamentis basi carnosis, paulo 

 monadelpbis, apice linearibus debilibus ; antheris carnosis, linearibus, sagit- 

 tatis, emarcrinatis, dorso suo stigmatis angulis aggdutinatis ; 3 sterilia sub- 

 ulata alternantia,Jilamentorum longitudine !! Ovarium elongatum, tri- 

 quetrum, polyspermum. Stylus filiformis apice in cyathum triangularem 

 dilatatus, ultra cyathum tripartitus ; laciniis trilobis : lobis lateralibus peta- 

 loideis plumbeis acinaciformibus replicatis in medio stigmatibus alteris oc- 

 currentibus et cristam 3-lobam efficientibus, intermedio nano carnoso furcato, 

 furcffi ramis cornutis latere reflexis. 



A Mexican plant, raised from seeds imported by George 

 Frederick Dickson, Esq. It is like a Tigridia, but taller 



