364 On some Plants in the H. C, Botanic Gardens. 



EXPLANATION OF PLATE XXVI. 



(left hand.) 

 Appendicula callosa. 



Portion of a flowering stem, (natural size.) 



1. Flower, or rather spike, laterally. 



2. End of labellum, inner surface, in front. 



3. Flowers, laterally, sepals removed. 



4. Labellum and column, laterally. 



5. Column, anther reflexed, laterally. 



6. Anther, under face. 



9. Column front view, j f rem0V ed. 

 8. Ditto, back, J 



7. Pollen masses. 



All but the figure of the flowering stem more or less magnified. 



XIPHOSIUM. 



Char. Gen. — Perianthium posticum, ringens, glabrum. 

 Sepala carinata, lateralia cum pede columnae in gibberem 

 connata. Labellum cum pede columnae articulatum, tremu- 

 lum, trilobum. Columna pede elongate Anther a terminalis. 

 Pollinia 8, ope materie pulverea viscosa copiosa cohaerentia. 

 Ovarium triquetrum. 



Habitus. — Rhizomata repentia. Pseudo-bulbi unifolii. 

 Scapus bracteis imbricantibus (quartern summa maxima con- 

 duplicato-ensiformis) obtectus. Flores variegati. 



Locus artificialis inter Epidendreas, Lindl., naturalis mihi 

 ignotus. 



X. acuminatum,* (n. sp.) sepalis acuminatis, petalis cune- 

 ato-lanceolatis, labelli lobo centrali acuminato reflexo ob- 

 solete 1-cristato. 



* A second species, may be thus distinguished. 



X. roseum, * sepalis obtusis oblongis, petalis oblongis, labelli lobo centrali obtuso 

 patente tri-cristato. 



Eria rosea. Lindl. Bot. Reg. 12. t. 978. Gen. sp. Orch.p. 67. 



It may be proper to remark, that Dr. Lindley in his Gen. and Sp. places this 

 without any specification in the body of the genus Eria, although in the Bot. Keg. 

 1. c. he mentions the smooth flowers, and the carinate midrib of the sepals as pe- 

 culiar to it. 



* Char, e fig. et deser, in Bot. Reg. 



