1569 



ONCIDIUM* Harrisonianum. 



• 



Mrs. Arnold Harrison's Oncidium. 



GYNANDRIA MONANDRIA. 



Nat. ord. Orchidea. § Vandece Lindl. (Introduction to the natural 

 system of Botany, p. 262.) 



ONCIDIUM.— Supnl, vol. 16. fol. 1349. 





§. Folia plana ; v. complicata. Sepala lateralia libera. Labelli 

 lacinice laterales nance, v. obliterate. 



O. Harrisonianum; pseudobulbis subglobosis monophyllis, foliis carnosis 



lineari-oblongis acutis recurvis, panicula ramosa multiflora, sepalis pe- 



talisque linearibus obtusissimis, labelli laciniis lateralibus minutis auri- 



culiformibus intermedia unguiculata transversa emarginata, crista 5-loba 



centro pubescente, columnse alis deltoideis rectiusculis. 



Pseudobulbi ovi passerini magnitudine sed globosi, lcet& virides, Iceves. 



Folia 4-6 poll, long a t omninb avenia. Scapus e squama tubulosd proveniens, 



ascendens, pedalis v. ultra. Panicula composita, apice cernua, ramulis 



divaricatis, v. decurvis. Flores vitellini. Sepala petalis paulb majora, 



atrofusco maculata. Labellum unicolor, sepalis lateralibus longius. Crista 



e tuberculis 5 constat, quorum 4 lateralia, compressa, rotundata, leviter 



inter omnia adest area pulvinata pubescens. 



?fert 



For what purpose can the world have been adorned 

 with these Orchideous plants ? To man or animals they 

 are scarcely ever of any known use. No honey is secreted 

 by their flowers; neither poison, medicine, nor food, are 



- collected in the recesses of their stems: and their 



very 



seeds seem unfit for feeding even the smallest bird. We 

 can scarcely suppose them provided for the purification of 

 the unwholesome atmosphere of the forest recesses in which 

 they delight, for their organization is that of plants whose 

 leaves perform their vital actions too slowly to effect such 





* See fol. 1349. 



