920 
ONCIDIUM puinilum. 
i^?*. Herberts Dyoorf Oncidium. 
OYNANDBIA MONANDEMd 
Hat. ord, Orchide^f.. Div. Epidendretpw ' 
ONCIDIUM. Supra fol. 727. 
Div. 1. SStrumthii fe^iola omnia cUscreta. Lindl. Coll. bot. xxvii. 
O. piam^K^0fAnii ^jjglwn ovalibus obliquis, paniculi erect& thyrsoidei 
foliorum' tpngitud&e, laciniu perianthii obovatis: saperioribns maeit* 
latis, labello trilobo cristate: lobis eeqoalibus ovatis, alia coIuhumb in- 
tegeiTHnis. 
Herba parasitica, pumila, sempervirens, bnJbit nuUU. FoHa dittiehaf 
jofUentia, ovalia, rigida, avenia, scepius apice et basi ob teriMneM oMtgma. 
Scapus terminalis, erectus, paniculatus, thyrsoideus, brachiahu, Flores 
luteo-brunnei, parvi. Perianthium patens, 5-partitum, laciniis obovatis, 
subundulatis, apice incurvis: superioribus fusco maculatis, inferioribus im- 
maculatis. Labellum luteian, planum, subrutundum, trilohum: lohis ovatis, 
obtusis, suboequalibiis : iatcrmedio paulo minore, disco callis duobus longi- 
tudinalibus sinubiis lohorum oppositis cristato. Colttnuui alis parmi,.il^f9^ 
gerrimiSy rotundatis. Anthera rostrata. 
This pretty new species of Oncidium was communi- 
cated to us by the Honourable and Rev. Wm. Herbert, 
froovhis collection at Spoflforth. It was found by one of 
his'i^llectors upon the trunk of a Bombax Ceiba, between 
Rio Janeiro and Boto Fogo. It flowers in Juno, and i^rows 
readily in a stove, ia a mixture of dead wood and moss, as 
indeed does the whofl genus, which is, perhaps, the most 
easily cultivated of allthe tribds of Orchidca . 
It has been COT^ended by some recent Botanists, that 
the modern principles upon which Orchideous plants are 
divided int(5 genera are inadmissible ; and we believe that 
their judgment is iiJhpiced, in a great degree, by per- 
