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MR. R. ALLEN ROLFE ON THE GENUS VANILLA. 469 
longa, 13 poll. lata. Racemi 1} poll. longi. Bractew 3-5 lin. 
longe. Pedicelli 1 poll. longi. Sepala et petala 1} poll. longa. 
Labellum 1} poll. longum. Columna 1 poll. longa. 
A remarkably distinct species, characterized by its strongly 
three-lobed lip, and other details. It is described from a single 
specimen, in which the leaves are much shorter than the inter- 
nodes, which, however, may not hold good when more materials 
can be examined. 
32. VanILLa BicoLor, Lindl., Bot. Reg., xxiv. (1838) Misc., p. 37; 
foliis ovato-oblongis subsessilibus acutis striatis margine rubes- 
centibus; sepalis lineari-lanceolatis acutis patentibus dorso 
rotundatis ; petalis conformibus dorso carinatis; labello mem- 
branaceo semilibero convoluto venis ramentaceis medio dense 
ramentaceo-stuposo ; columna barbata, auriculis crenulatis. 
Hab. British Guiana, Schomburg. 
Sepala et petala 13-2 poll.longa. Labellum 23 poll. longum. 
I only know this species by description and a coloured sketch 
of a flower with dissections in Lindley’s Herbarium. The 
sepals and petals are dull reddish, and the lip cream colour. 
It flowered with Messrs. Loddiges in 1838, and Lindley states 
that the flowers are deliciously fragrant, but he apparently 
neglected to dry the specimen. Nothing is known about the 
fruit. 
33. V. APPENDICULATA, Rolfe, in Kew Bull. (1895) p. 178; 
caulibus crassiusculis; foliis breviter petiolatis oblongis v. 
elliptico-oblongis breviter et abrupte acuminatis subobtusis ; 
racemis crassiusculis brevibus, bracteis oblongis obtusis, sepalis 
petalisque lanceolato-linearibus acutis; labello oblongo sub- 
trilobo, lobis lateralibus obtusis, intermedio anguste oblongo 
recurvo nervis appendicibus longis linearibus ornato; disco 
medio appendicibus foliaceis cuneato-obovatis dentatis ornato ; 
capsula angusta elongata. 
Hab. British Guiana, Corentyne River, H. F. im Thurn. 
Folia 33-44 poll. longa, 1-1} poll. lata. Racemi 1-13 poll. 
longi. Bractee 3-6 lin. longew. Sepala et petala 2; poll. 
longa. Labellum 2 poll. longum. Columna 14 poll. longa. 
Capsula 44 poll. longa. 
Remarkable for its narrow sepals and petals, and long narrow 
lip which terminates in a narrow recurved apex covered with 
linear foliaceous appendages. The specimens were gathered in 
