366 On some Plants in the H. C. Botanic Gardens. 



It appears to me impossible to force this plant into a 

 genus so natural as that of Eria, without violating all one's 

 ideas of natural affinities ; I have therefore ventured to con- 

 stitute a new one, the name of which has reference to the 

 sword-shaped bracte-imbricated peduncle, and which will in- 

 clude Eria rosea of Dr. Lindley. Technically it is distin- 

 guishable from Eria by the remarkable inflorescence, the 

 smooth perianthium, carinate sepals and triquetrous ovarium. 

 The habit is peculiar. 



I imagine it would come as an Eria into Dr. Lindley's 

 section Tonsae, which appears to contain more than one 

 genus, as exemplified by Eria convallarioides, planicaulis, 

 clavicaulis ? although these are taken from a very partial 

 list of species.* 



EXPLANATION OF PLATE XXV. 



(left hand.) 



Plant reduced about one-half. 



1. Flower and end of the spike, natural size. 



2. Flower, laterally, sepals and labellum removed. 



3. The same, one petal removed. 



4. Labellum, laterally. 



5. Anther, underface. 



6. Pollen masses, in front. 



7. Column and anther, in front. 



8. Ovarium, double transverse section. 



All but the figure of the Plant, and No 1, more or less magnified. 



APORUM. 



Blume Bijd. p. 334. t. 39. Lindl. Gen. sp. Orch. p. 70. 

 Endl. Gen. PL p. 192. No. 1364. 



Dendrobium. Roxb. Fl. Ind. 3. p. 487. 488. No. 13. 14. 

 15. Icones. 13. t. 72, 73. 



Herba supplex. Rumph. Hb. Amb. 3. t. 51. 



* Index Bot. Reg. 1838-1841. 



