DENDROBIUM. 



ORCHIDES. 289 



clear fawti colonr, with llie lips a deep ricli violet, There is more over a scarlat spot 

 in the middle of the lip. 



51. DEiNDROBIUM AQUEUM Lindl. Bot. Rog. 1843. Misc. 6. Bot. Reg. 1842. tb. 54. 

 Foliis ovato-oblongis undiilatis acuminatis, floribus patulis cornu 



brevi obtuso, sepalis petalisque ovatis, labelli trilobi pubescentis lacinia 

 media ovata denticulata basi alte excavata lateralibus latioribus rotun- 

 dalis margine anteriore serrnlato. 



Novb. 42. Loddiges imp. frora Bombay. — Perigoniura albidum basibus apicibusque 

 phyllorum viride , labellum medio flavum. — The habit is that of D. Pierardi: the 

 flowers are raiher larger, and of a paie watery green colour. It is also a much 

 siouter plant with wavy leaves. 



Huc : Lera. Jard. Fl. tab. 262. - B. Mag. 4640. 

 Huc: Dendrobium album R. Wight. Ic. V. 1. (1851) 1645. 

 Erect, jointed, stems enlarging from the base tothe apex, internods 

 much shorter than the leaves, leaves oblong, elliptic, acuminate, llowers 

 axillary, paired , long peduncled, sepals ovate, acute, lateral ones 

 falcale, pelals obovato elliptic, obtuse, larger than the posterior sepal: 

 lip 3 lobed, lateral lobes enlire, obtuse, middle one cucullate, ovate 

 acute, saccate, at the base ciliate. 



Flowers white. — This is one of ihe handsomest of ihe genus I bave yet mel wilh; 

 the large purc white llowers and dark foliage are very conspicuous. It seems to be 

 ralher rare . as I have only once obtained specimens.— Jyamally Hills. Sept. Rare. 



Lindi. Paxt. II. p, 175. JN. 416. Xyl. 226. — Scarcely distinct from D. aqueum , fig. 

 B. R. 1843. t. 54: appearing to differ in nothing exept a more narrow middle lobe of 

 the lip . more distinct fringes upon its edge and in absence of the greerr linge which 

 has been observed in D. aqueum. 



52. DENDRORIUM CUNNINGHAMI Lindl. — Bot. Reg. XXI. 1835. sub 1756. 

 Caulibus gracilibus pendulis ramosis, vaginis foliorum corneis trans- 



versim corrugatis squamatis, foliis ovato-linearibus obtusiusculis, pedun- 

 culis oppositifoliis bifloris foliis multo brevioribus. sepalis ovalis acutis, 

 petalis oblongis acutis latioribus, labelh trilobi lobo intermedio subro- 

 tundo undulalo basi quinquelamellato, lateralibus nanis acutis. 



Supra truncos Callist. ellipt. (A. C.) in insula sept. Novae Zeelandiae, juxta mare, in- 

 colis Raumanghe. R. Cunningham (hab. s. sp. comm. lel. A. Cunningh.). — This spe- 

 cies is nearly allied to D. biflorum, of wich I had exarained no specimen at the lirae 

 the Gen. and Sp. Orch. was published. 



Dendrobium biflorum Ach. Rich. Sert. Astrolabe t. 26. A. Rich. FI. Nov. Zel. p. 167. 

 t. 62. — Bot. Reg. YYY. 1844. Misc. 62. pag. 54. : — Ncw Zeeland (North IsL) 1768. 

 Sir Joseph Banks; at Wangaroa, on trees , Pohutu Kana (Metrosidores tomentosa) A 

 Rich. 1834. — R. Cunninghara (Middle Island). Shores of Astrolabe Harbour on irees 

 1827. D'UrviIle. — AII. to D. binorum Sw. of ihe Soc. Islands. A. Cunningh Bot. iMag. 

 Comp. II. p. 377. — Hook. fil. nov. Zeel. : „ troughout i-he Island, as for south as 

 Stewart's Islands. Banks and Solander." 

 53. DENDROBIUM LANCIFOLIUM Ach. Rich. Sert. Astrol. tab. 8. - Lindl. B. Reg. XXX. 

 Misc. 62: 



Caule erecto ramoso folioso tereti glabro , fol. anguste lanceolato-linea- 



ribus acutis, florib. purpurascentibus saepius quaternis pedicellatis sub- 



splcatis, sepalis lanceolalis acutis, labelli unguiculati trilobi iobo medio 



latiore ovato margine subcrispo, laleralibus oblusis subcrispis planis. 



A, Rich. I. c, H. p. 20, D. caule erecto ramoso, folioso, tereti, glabro ; foliis alternis 



lanceolaio- linearibus acutis, striatis; florihus purpurascentiltus sae|)ius quaternis 



pedicellatis subspicalis; laciniis exieriorihus lanceolato-acuiis , labello lato , obsolete 



irilobo. — Crescit in insula Bourou. 



VI. 37 



