Tabula 2SG0. 



IMPATIENS BONI, Ilh. /. 



Balsamixaceae. 



I. Boni, Hh, /. {sp, nov.) ; herba succulenta, inflorescentia simplicitcr 

 pedicellata, sepalis ovatis ellipticisve, alarum lobis distalibus cohaerenti- 

 bus, labelli limbo cupulari, calcare brevissimo inflate incurvo. 



Herha glaberrima, succulenta, caule columnari 1-2 dm. alto simplice 

 vel furcato gracili vel crasso apice tantum folioso. Folia 3-7 cm. 

 longa, alterna, conferta, petiolata, ovata, acuta vel acuminata, crenato- 

 serrata, basi rotundata vel in pctiolum gracilem 2-6 cm. longum 

 repente angustata, nervis utrinque 3-5. Inflorescentia simpliciter 

 psdicellata ; pedicelli solitarii, 3-5 cm. longl, filiformes, fructiferi valde 

 elongati, basi ebracteati. Flares ad 3 cm, expansi, rubri, fusco-maculati 

 vel albi, npicibus violaceis, Sepala 2, late ovata vel elliptica, mucro- 

 nata, multinervia. VexiHum obcordatum, 15 mm. long.;:.:, costa dorso 

 basin versus cornuta. Alae 2-2'5 cm, longae ; lobi basales falcatim 

 flabelliformeSj basi acutae ; distales oblongi, in laminam bifidam plus 

 mlruisve connati, rarius fere liberi, integri vel dorso apicem versus 

 excisi ; auriculae dorsales parvae, confluentes. Lahelli limhus cupu- 

 laris vel cymbiformis, 1-1*8 cm. longus, acutus vel obtusus, in calcar 

 brcvissimum incurvum ovoideum inflatum integrum vol bilobum 

 attenuatus. Filamcnta anguste linearia ; antherae ? Ovarium lente 

 curvum. CapsiiJae 10-12 mm. longae, ellipsoideae, stipitatae, obtusae, 

 oligospermae. Scmina subglobosa, 3 mm. diametro, imo latere sul- 

 cata. — J, D. Hooker. 



Indo-Chixa : Tonkin ; on limestone rocks at Thong^^an and Kienkhe, 

 ihbe Bon, 286. Paris Herbarium. 



Fig. 1, sepal ; 2 and 3, standard ; 4, wings ; 5, lip ; 6, stamens ; 7, ovary ; 

 8, capsule ; 9, seed. All more or less enlarged. 



