476 MR. R. ALLEN ROLFE ON THE GENUS VANILLA. 
47. VANILLA MADAGASCARIENSIS, Rolfe ; racemis pedunculatis 
multifloris, bracteis oblongis subobtusis; sepalis petalisque 
oblongo - lanceolatis subacutis; labello subintegro obtuso 
undulato, disco subglabro; capsula ignota. 
Hab. Madagascar; Bomatoe Bay, Bojer! 
Racemi 8-9 poll. longi. Bractess 3-5 lin. longw. Pedicelli 
1} poll. longi. Sepala et petala 2} poll. longa. Labellum 
2 poll. longum. Columna 10 lin. longa. 
Allied to the preceding, but the flowers are smaller, the 
segments narrower, and the bracts different. 
48. V. Puauenopsis, Reichb. f., ex Van Houtte, Fl. des 
Serres, xvii (1867-8) p. 97, tt. 1769-70; caulibus crassis; 
racemis pedunculatis multifloris, bracteis ovatis acutis; sepalis 
lanceolato-oblongis subobtusis; petalis elliptico-oblongis sub- 
obtusis quam sepala paullo latioribus ; labello integro oblongo 
obtuso subundulato, disco medio lineis binis puberulis ad basin 
extensis ; capsulis lineari-oblongis.—Reichb. f. in Linnea, xli. 
p. 66. 
Internodi 3-4 poll. longi. Bractes 3-5 lin. longw. Pedicelli 
13-1} poll. longi. Sepala et petala 23-21 poll. longa. 
Labellum 1{-2 poll. longum. Columna 2 poll. longa. Capsula 
4—5 poll. longa. 
Hab. Seychelle Islands, “ common in all the islands,”’ Horne, 
607 ! 
The dise of the lip of this species is much more pubescent at 
the base than in the two or three preceding ones. Mr. Horne 
observes that the roots adhere to rocks that are frequently so 
heated by the sun that they can scarcely be touched by the hand. 
49. V. Humetoru, Rezchb. f. in Gard. Chron. NS. xxiil. 
(1885) p. 726; caulibus crassis; racemis pedunculatis multifloris, 
bracteis oblongis obtusis deciduis ; sepalis lanceolato-oblongis 
subacutis; petalis elliptico-oblongis subacutis quam sepala multo 
latioribus, labello subintegro rotundato-oblongo, disco puberulo 
medio villoso.—Reichb. f. in Flora, \xviii. (1885) p. 378. 
Internodi 3-5 lin. longi. Bractee 4-5 lin. longs. Pedicelli 
2 poll. longi. Sepala et petala 24-2% poll. longa. Labellum 
24-25 poll. longum. Columna $ poll. longa. 
Hab. Great Comoro Islands; Humblot, 413! 
Readily distinguished by its velutinons lip, which becomes 
somewhat villose on the lower half. 
