— i84 - 

 Diphyllarium mekongense Gagncp., sp. n. 



Herba suffrutescens, volubilis. Caulis subteres, striato-sulcatus, pilis appressis, 

 mox.glaber, in sicco atro-brunneus. Folia pinnatim trifoliolata ; foliola ovata, 

 apice obtusa \-el acuta, basi rotunda, margine undulata, firma vel subcoriacea, 

 supra nitida, subtus pallida, utrinque glabra ; nervi secundarii lo-jugi, regulariter 

 arcuati, paralleli, conspicui; n. ultimi transversales vel reticulatim dispositi, haud 

 valde conspicui ; petioluli pilosi, pilis albidis fugacibus ; petiolus communis com- 

 pressus, ad foliola infima gradatim dilatatus, sulcatus, pilis mox evanescentibus ; 

 stipella; lineari-acuminatœ, striate ; stipula; trianguia;, striatœ, ut stipellœ persistentes. 

 Inflorescentiie axillares vel terminales, racemosse, ad apicem ramorum paniculam 

 foliatam efformantes ; racemi pedunculus e basi florifer, appresse pilosus, pilis 

 fugacibus; nodi haud tumidi, approximati, numerosi, 1-3-flori ; bractée stipuli- 

 formes lanceolato-acuminatte ; bracteolœ 2, oblongo- vel lineari-acutœ, majusculas, 

 roseas, scariosulœ, apice pilosula;, persistentes, fîoreni vestientes ; flores 2-3 

 ad nodos dispositi, rosei, bracteolis subocculti, minute pedicellati. Calyx late bre- 

 viterque campanulatus, dentibus 4, triangulo-acuminatis, apice piloso-penicillatis, 

 supremo et infimo tubo 2-plo longioribus, lateralibus 2 iis 2-3-plo minoribus. 

 Petala exserta, requalia, brevissime unguiculata ; vexillum transverse ellipticum 

 vel suborbiculare, emarginatum, exauriculatum, ecallosum ; ^\x obovatœ vel 

 oblonga;, supra ungueni truncat£e ; carina iis latior, consimilis, subrecta, vix 

 auriculata. Stamina diadelpha, vexillare in alabastro adhîerens, dein liberum, 

 ■ minus, tubo cum calyce adnato, antheris ovato-oblongis. Ovarium sessile, seri- 

 ceum ; stylus brevis, subrectus, subulatus ; stigma punctiforme, terminale, ovula 

 10-12. Legumen lineare, submembranaceum, glabrum, basi attenuatum, sessile, 

 apice rostratum ; semina 8-12, longitudinaliter inserta, reniformia, suborbiculaiia, 

 compressa, nigra, albumine nullo, radicula commissurali ; hilo orbiculari, basali, 

 prominente, rufo. — Foliola 7-12 cm. longa,4-6 cm. lata, petiolulis 3 mm. longis, 

 petiolo IO-I2 cm. (parte suprema 5 mm.) longo, stipellis 5-7 mm., stipulis 5-8 

 mm. longis. Infiorescentias pedunculus specialis 12-25 cm. longus, bracteae 7 mm. ; 

 bracteol^ lo mm x 3- Petala 8 mm. longa. Legumen 6-7 cm. longutn, 8 mm. 

 latum, seminibus 7 mm. x 6. 5. 



Laos : [Massie, Counillon] ; Kemmarat, de Pak-lay à Luang-pra- 

 bang, de Bang-muc à Lakhon, Khong^ n° 2329 [Thorel]. 

 CocHiNCHiNE : cultivé, n° 5818 [in Herb. Pierre] 



Endomallus Gagnep., gen. nov. 



Frutex scandens, volubilis. Rami lignosi, pilosi. Folia pinriatim trifoliolata, sub- 

 tus eglandulosa, stipellis subulatis, stipulis ovato-acuminatis, persistentibus. Inflo- 

 rescentiœ ramos terminantes, racemosas vel paniculatit, bracteis bracteolisque 

 minutissimis vel nuUis, nodis haud tumidis, floribus speciosis, calyce hirtellis. 

 Calyx campanulatus, extus hirtus, intus pilosus, dentibus minoribus tubum 

 asquantibus, supremis 2 usque ad médium coalitis. Petala subœqualia ; vexillum 



