— i/9 - 



(non Desvaux); B. bidentata Drake del Castillo (non Jack), 

 in Morot Journ. de Bot. (189 1), p. 218. 



Frutex scandens, speciosus. Rami teretes. striati vel sulcati, glaberrimi, 

 cirris tenuiter pilosis, apice dilatatis. Folia intégra vel vix emarginata, 

 ovata vel orbicularia, basi leviter cordata, subtruncata, apice obtuso, 

 glaberrima, utrinque nitida; nervi 7, secundarii cum ultimis rete laxum 

 efformantes : lobuli subnulli, acuminati, contigui vel alter altero super- 

 positi : petiolus glaberrimus. Inflorescentia rufo-pilosa, pilis appressis, 

 corymbis i-3 terminalibus verticillatis vel conglomeratis, longe pedun- 

 culatis composita; pedicellis gracilibus, confertis vel subverticillatis, 

 supra basim bibracteolatis, bracteis bracteolisque lineari-subulatis, ala- 

 bastro globoso, floribus roseis. Calycis tubus sulcatus, ad pedicellum 

 modice attenuatus; sepala 5, lanceolata plus minusve inter se coalita, 

 post anthesim reflexa. Petala 5, cuneata, ad marginem dentato-erosa, extra 

 dense aureo-pilosa, e tertio in unguem gradatim attenuata. Stamina ferti- 

 lia 3, exserta, filamento glabro : antbera elliptica; st. sterilia 3, anan- 

 thera, filamento brevi deminuta. Germen stipitatum, margine piloso, 

 stigmate capitato,ovulis 7. Legumen lignosissimum, convexum, seminibus 

 8, lenticularibus, orbicularibus, brunneis. — Folia 5-9 cm. longa, 4-7 cm. 

 lata, lobulis raro i5 mm. metientibus, petiolo 25-45 mm. longo. Corymbi 

 6-8 cm. lati, 4-5 cm. pedunculati. pedicellis 2-4 mm. remotis, bracteis et 

 bracteolis 2-3 mm. longis, alabastro 5-6 mm. crasso. Calycis tubus 5 mm. 

 longus. Petala 10-12 mm. longa. Germen totum 9 mm. longum. Fructus 

 i5 cm. longus, 35 mm. latus, seminibus 20 mm. longis, i5 mm. latis. 



Tonkin : Tu-phap, n" 21 3 1, 21 32-, Yen-lang, n os 21 32 bis 

 \_Balansa]; Ben-tram, n" 24 \_Prades~]; environs de Ninh-binh, 

 n os 4952, 6176 \_Bon']. — Laos : du Mékong à Hué, 17° lat. 

 [Harmand]. 



20. B. saigonensis Pierre mss., sp. n. 



Rami teretes vel vix angulosi, primum villosi, mox glabri, lucidi, sub- 

 atrati ; cirris... Folia orbicularia, firma, ad tertiam vel dimidiam partem 

 superiorem biloba, basi vix cordata, subtus appresse pilosa, dein glabra, 

 lobis rotundatis, haud contiguis, non divaricatis; nervi 11, subcapillares, 

 nigrescentes; petiolus gracilis. Inflorescentiae corymbosœ, i-3 conglomé- 

 rats, ad apicem ramorum dispbsitae, dense rufo-tomentosae, sessiles; pe- 

 dicelli tomentosi, ad médium bibracteolati, bracteis et bracteolis mox 

 caducis; alabastrum clavatum. Calycis tubus abrupte ad basim contractus, 

 tomentosus; sepala lineari-oblonga, dorso tomentosa, sub anthesim mar- 

 cescentia, reflexa. Petala lineari-oblonga, albido-rosea, obtusa, in unguem 

 gradatim attenuata, intus prœcipue pilosa. Stamina fertilia 3, filamentis 



