rLATK -2420, 



POMATOSTOMA SERTULIPERUM, Staj^J. 



Melastomace.^. Tribe Oxyspore.e. 



Pomatostoma, Stajjf {gen. nov.) Flores 4-meri. Calycis hirsuti 

 tubus campanulatus, lobis triangularibus acutis vel subulato-caudatis. 

 Petala parva, ovato-oblonga, acuta. Stamina 8 a^qualfa, antheris e 

 basi ovata acuminatis, 1 -porosis, loculis basi distinctis, coimectivo basi 

 non producto, antice inappendiculato, postice breviter calcarato. 

 Ovarhim ad medium calyci adiiatum, 4-loculare, vertice couvexo nee 

 appendiculato nee exsculpto, stylo longiusculo recto, stigmate puncti- 

 formi. Capsula vertice convexo glabro, centre Isevissime depresso, 

 umbonato, calyce superata, operculo crasso circumscisso desiliente 

 debiscens. Semina minima, obovoideo-cuneata, testa tenui, raphe 

 ann;usta ; embryo rectus. — Herbye setoso-hirsutce, hasi induratce, vel 

 svffrutices. Folia petiolata, scepe acuminata integra vel siibintegra 



/ 



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P. sertuliferum, Stapf (sp, 7iov\) ; foliis obovato-oblongis plus 

 niinusve panduriformibus basi subcordatis apice acuminatis subserru- 

 latis 5-plinerviis supra glaberrimis subtas ad nervos strigillosis, pedun- 

 culo pedicellisque adpresse denseque setalosis, calycis adpresse setulosi 

 lobis e basi late triangulari caudato-acuminatis. Allomorphia sertuli- 

 fera, Cogn, Melast. in D. (7. Jfonogr, Fhan. vii. 465. 



Hab. Borneo ; Sarawak, Beccari (No. 25 et 1332, ex Cogniaux) \ 

 on the Sarawak river on conglomerate in primaeval forest, alt. 1800 feet, 

 Ilaviland-y on Mt. Matang, alt. 1800 feet, Uaviland. 



Ilerla 1-2 ped. alta. Folia 5-9 poll, longa, 2-4^ poll, lata, opposita, 

 suboequalia ; pctiolus 1^-1^ poll, longus. Pedunciilus ad 3[> poll 

 longus. Pedicelli 3-4 lin. longi, Cal.ycis tubus 1^ lin, longus ; lobi 

 ultra lineain longi. 



Another species of the same genus may be described as follows : 



P. angustifolium, Siaj)/ (sp, now) ; caule patule setuloso foliis lanceo- 

 lato-oblongis basi subcordatis subacuminatis integris 3-plinerviis supra 

 m costa subtus in nervis et in margine patule setulosis, petiolo brevi 

 setuloso, pedunculo gracili patule setoso, umbella pauciflora, pedicellis 

 gracilibus, calycis patule setulosi lobis latissime ovatis subacutis. 



