41 

 44. HEXADESMIA bicornis. 



H. bicornis ; caulibus fusiforraibua dongatis, foliis linearibus oblique biden- 

 tatis, floribus subsolitiriis cernuis, labcUo ovato rctuso subserrato, 

 columua utrinque biconii. 



An addition to the insignificant genus Hexadesmia, sent 

 to Mr. Loddiges from Columbia by Linden. It is very like 

 H. fasciculata, but differs in the leaves and column. 



♦45. DENDROBIUM criniferum. 



D. criniferum ; caulibus terctibus ercctis ramosis, foliis oblongis snbundulatis 

 emarginatis, floribus axillaribus lateralibusque solitariis cermiis, sepalis 

 ovatis, petalis linearibus aciiniinatis, labelli trilobi crenulati lobis latera- 

 libus nanis intermedio apice in filis intricatis multifido lamellis binis 

 undulatis. 



An orchidaceous plant with small yellowish flowers of 

 little beauty, introduced by His Grace the Duke of Nor- 

 thumberland, W'ho received it from Mr. Power in Ceylon. It 

 is closely allied to D. Scopa, but is readily distinguished by its 

 slender stems, w^avy leaves, and the shortness of the lateral 

 lobes of the labellum. The breaking up the point of the lip 

 into numerous threads is remarkable, and resembles what 

 occurs in the bearded Bolbophylla, which are no doubt the 

 Desmotricha of 131 ume. 



46. COLLETIA serratifolia. 



Vent. Choix. t. 15. DeCand. Prod. 2. 28. 



This is a half hardy Peruvian shrub, with oblong serrated 

 deciduous deep green leaves, and small, short-stalked, axillary 

 white flowers. It is a plant of little interest, except as indi- 

 cating how very different are the species of Colletia from 

 each other in habit. 



47. LYCASTE aromatica ; var. retusa. 



L. aromatica (Supra 1843. misc. p. 16. ; var. retusa; floi-ibus vitellinis, 

 labelli lobo medio dilatato retuso.) 



We have received a flower of this from Geo. Piarker, Esq. 

 of Birmingham, who obtained it from Lima. It differs from 

 L. aromatica in having very clear yolk-of-egg-yellow flowers, 

 without a tinge of green, and the middle lobe of the lip 

 dilated and almost '2-lobed. 



