I 



i 



1 



54: 



pachysepali 



, Spruce in Mart. Fl. Bras. 1. c. 494. June 

 tioa of the Rivers Beni and Madre de Dios (2528). \ 



Gustavia angusta, L. Amoen. Acad. viii. 266. Falls of the Ma 

 deira (656). 



Gustavia Brasiliana, DC. Prodr. 1. c. 290. Junction of the Boi 



and Madre de Dios (657). 

 As the species of the order Myrtaceae have been so exceedingly 

 multiplied by Berg, and many of his descriptions are not rep- 

 resented in the Kew Herbarium, I was unable to distinguisli 

 any new species among the numerous specimens collected by 



Dr. Rusby. 



MELASTOMACE^. 



Isvice folia 



Falls' 



of the Madeira, Brazil (2534). 

 Pterolepis trichotoma (Rottb.). Cogn. in Mart. FL Bras. xiv. (3) 



261. Guanai, 2,000 ft. (2325). 

 Tibouchina granulosa (Dcsr.), Cogn. Mapiri, 5,000 ft. (2247). 



var. ANGUSTIFOLIA, var. nov. Folia anguste oblonga, 8 cm. 



\ 



longa 2 cm. lata, acuta ; pctiolis i cm, longis. Yungas, 6,000 



ft. (2245). ^_ ^ ' 



Tibouchina barbigera (Naud.), Baill. Adans. xii. 75. Guanai, 



2,000 ft. (2326). 



^ I 



Tibouchina longifolia (Vahl), Baill. 1. c. 74. Yungas, 6,000 ft. \ 

 (2336; 2243); Guanai, 2,000 ft. (2244); Yungas, 4,000 ft. 

 (2549), the latter determination from imperfect specimens 

 and uncertain, 



Tibouchina panicularis (Naud). {Chcetogastra panicularis, 

 Naud. Ann. Sci. Nat. (III.) xiv. 129; Pleroma paniculare, 

 Triana, Trans. Linn. Soc. xxviii. 46.) Yungas, 4,000 ft. (2327). 



Tibouchina capitata (Naud.) Cogn. mss. {Micranthella capi- 

 lata, Naud. I.e. xiii. 350; Pleroma captaiu7n, Tr'mnD,, I c) 



r 



Mapiri, 2,500 ft. (2727). Dct. Cogniaux. 

 Tibouchina latifulia (Naud.) {Micranthella latifolia, Naud. 

 1. c. 351 ; Pleroma latifoliiun, Triana, 1. c. 47). Yungas, 4,000 



ft. (2337); 6,000 ft. (2338). 



v^TiBOUCHiNA RUSBYI, Cogn. sp. nov. (sect. Dictanthera): ra 

 ^ junioribus petiolis pedunculis calycibusque brevissime 



et 



densiuscule hirtellis ; foliis breviter petiolatis, oblongfs, basi 



1 



