352 BULLETIN DE L'HERBIER B0ISSIËR. (19) 



sub labio supero connivenles, transversa, brevissimse, obtusse, vilellinse, 

 thecis parallelis ellipticis rima longiiudinali anticedehiscentibus; pollen 

 ellipsoideus, lsevis, plicis 3 longiludinalibus prœditus; discus cupularis, 

 oblique retusus, glauco-viridis; ovarium Isete viride, nitidum, superne 

 papillosum; Stylus tenuis, filiformis, stamina longiora adsequans, albus, 

 glaber, nitore vitreo, apice virescente insequaliter bicruris, crure poslico 

 brevissimo. 



Herba 25-30 cm. alta; caulis 2-3 mm. crassus, internodiis usque 4 cm. 

 longis; petiolus usque 4 cm. longus; lamina usque 18 cm. longa, 9 cm. lata; 

 jugi superioris bractese usque 15 mm. longse, 5 mm. latae ; calycis tubus 

 5 mm., dentés 1 cm. longi; corolla ca. 35 mm. longa, tubi parte tenui ca. 

 17 mm. longa, labio supero 5 mm. longo, ca. 8 mm. lato. 



Ostsumatra, Deli, Permandian und Kampong Pakam (Jaheri 1895. 

 Hort. Bog.). 



35. Elatostema (subgen. Pellionia) bicuspidatum sp. n. 



PI. sicca : Herba e caule repente ad nodos radicanle ramos erectos 

 humiles simplices dorsiventrales transverse anisophyllos emittens ; 

 rami tenues, flexuosi, foliis inferioribus gradatim diminutis inferne 

 aphylli, glabrescentes, superne foliosi puisque densis brevibus palen- 

 libus paulum decurvis rufi, antice sulcati (f), internodiis inferioribus 

 quam superiora gradatim longioribus; cujusvis jugi folia valdeineequalia, 

 dimorpha, klinotropa, insequilateralia; allerum diminulum, sessile, subu- 

 lalum, hirsutum, quam folii normalis stipula multo longius, ipsum sti- 

 pulis cleslitulum, allerum normale, breviter, sed conspicue petiolalum, 

 berbaceum; folia normalia bifaria, petiolo brevi tenui hirsuto et stipula 

 intrapeüolari lineari-lanceolata glabra e duabus composita suffulta; 

 lamina insequilateralis, latere altero latiore semi-ovato secus petiolum 

 longius producto, allero semi-obovato, auriculo basali utroque subsemi- 

 cordato, ad latus latius supra basin dentibus ca. 10, ad latus angustius 

 supra medium dentibus ca. 5-8 undulato-decurvis mucronatis grosse 

 sinuato-serrata, apice sensim in acumen integrum, longe trianguläre, 

 acutum, rectum vel paulum falcatum angustata, pinninervis, utrinque cys- 

 tolitbis destiluta, non conspicue peliucido-punctala, superne atro-viridis 

 setulisque brevibus raris obspersa, denique glabra, margine preecipue in 

 acumine setulis brevibus raris ciliata, subtus pallidior, glaucescens, reti- 

 culato-venosa, ad nervös venasque setulis densis palentibus rufis aspera; 

 capitula $ axillaria, solitaria, pedunculo brevissimo tenui hirsuto suf- 

 fulta, globosa, parva, perigonii arislis subulatis patule setulosis penicil- 



