Plate 2411. 



MEDINILLA SERPENS, Sta]]f. 



MELAST03IACE.E. Tribe Dissochjjte.e. 



M. (§. HeteroWemma) serpens, Stapf{sp. nov.); foliis amplis cordato- 



ovatis vel rotund atis abrupte breviterque acuminatis minute serru- 

 latis membranaceis 7-plinerviis nervis basin versus subtus setulosis 

 superne ut venfe transversiB prominute subfurfuraceis, petiolo lamina 

 ffiquilongo vel breviore plus minusve setuloso ve] glabrato, fioribus in 

 fasciculis 3-5-floris e raniis vetustis et jumoribus, pedicellis gracilibus 

 ut calyx campanulatus truncatus deiitibus subulatis linibi margini 

 iiupositis cleciduis ornatus patule setosis. 



Had. Borneo : Sarawak, near Kucluug, Ilaviland (No. 551). 



Folia ad 9 poll, longn, ad 7 poll, lata ; petiolus ad G poll, loiiga. 

 Pedicelli ad \ poll. longi. Calyx 2 lin. longus. Corolla 3^ lin. longa. 

 Antheree 3g lin. longx. 



The section lleterohlemma was established by Blunm on 3htUviJla 

 alierm/olia, Bl., from Sumatra ; but subsequent writers, inclmbiig 

 Cogniaux, do not seem to have taken any notice of it. _ The recent 

 collections of Dr. G. D. Haviland, however, show that it is not an 

 odd aberrant form, but the type of a well-characterised group of 

 Medinilla which deserves certainly sectional rank. As the name 

 lleterohlemma {erepo^ = different, ^XE>//a = aspect) indicates, it 

 differs from the other species of Medinilla very strikingly in habit ; a 

 difference which is brought about by the long and slender branches, 

 which climb by means of aerial roots, and by the alternate, generally 

 long-petioled, and often large leaves, the transverse venation of which 

 is more marked than in most other Medinillce. The flowers come in 

 bundles, generally from old branches, as is often the case in tlie gmus, 

 and do not differ in any essential point from those of typical si^ecies of 

 Medinilla. They are, however, as Blume has already noticed, charac- 

 terisetl by the almost entire suppression of the anterior lobes of the 

 connective of the stamens. I refer to this section also, M. decurrens, 

 Cogn., from Sarawak (Beccari, 4016), M. lorata, Stapf, which is 

 figured on Plate 2417, and M. JiageUata, the description of which 

 follows here. 



M. (§ Heteroblemma) flagellata, Siapf(rp. nov.) ; ramis vetustis ver- 



SERIES IV. VOL. V. PART 1. 



D 



