432 ARETHUSE Æ. 
Hab. in Mexico, Karwinski; in rupibus umbrosis Hacienda de la Laguna, 
Julio, Schiede ; Hacienda del Carmen, Hartweg. (hab. s. sp.) 
Flowers the largest in the genus, when dried as much as four inches 
long, rose colour. From their being exceedingly pressed in drying I am 
unable to ascertain the exact form and surface of the parts. 
6. SosnAL1A Liliastrum. Supra, p. 177.  Sertum Orchidaceum, t. 29. 
S. foliis lanceolatis acutissimis vaginisque striatis glaberrimis, racemo 
multifloro disticho, rachi flexuosà, bracteis ovatis acuminatis spathaceis 
distinctis, sepalis patentibus angustis lanceolatis acuminatis, petalis 
conformibus undulatis, labello undulato-crispo plicato emarginato pu- 
bescente venis elevatis flabellatis, alis columna: maximis falcatis. 
Hab. in Bahiam, in fruticetis sabulosis, Salzmann ; in Guayand anglicd 
Schomburgk, no. 1059. (hab. s. sp.) 
Stems 10 to 12 feet high. Flowers large, pendulous, white or bright 
rose colour; the former the genuine colour of the species, the latter a 
variety, or according to Schomburgk a distinct species. Both are figured 
in the Sertum Orchidaceum. 
7. Soprauia biflora. Fl. Peruv. Syst. 232. 
S. ** bulbis fasciculatis, foliis oblongo-lanceolatis acutissimis, culmis bi- 
floris." 
Hab. in Peruvia, in Pozuzo runcationibus et calidis locis, versus Chenigo 
et Tramo tractus: Ruiz et Pavon. 
Floret a Maio ad Septembrem. 
S. Huc etiam fortasse referenda est Bletia ciliata Presl. Reliq. Henk. p. 
99. que S. dichotoma esset, si flores majores. 
Hab. in Peruvia, 
CCXLVI. EPISTEPHIUM. 
Epistephium., Kunth. in Humb. et Bonpl. n. g. et sp.pl. VII. 158. Endlicher. gen. 
no. 1612. 
Perianthium basi urceolo dentato cinctum. ^ Sepala patentia v. reflexa 
libera ; lateralia labello supposita. Petala angustiora. Labellum sessile, 
liberum, indivisum, circa columnam convolutum, disco barbatum v. 
cristatum. Columna semiteres, marginata, infra stigma bituberculata, 
apice membranacea, dilatata, trifida, lobo medio cucullato antherifero. 
Anthera terminalis, persistens, loculis approximatis semiquadrilocularis. 
Pollinia 4, compressa, basi retroplicata————-Herbz Americe equinoc- 
tialis, terrestres. Folia reticulata, nervosa, evaginata. Flores maximi 
conspicui. 
, According to Póppig and Endlicher this genus differs from Sobralia in 
little except the presence of a calyculus at the apex of the ovary. The 
