Tabuia 2853. 



IMPATIENS ATTOPEUENSIS, IIL /. 



Balsamixaceae. 



I. attopeueDsis, IIJc. /. {sp, nov.) ; species infloresccntia simpliciter 

 pedicellata, alarum lobis filo instruct] s et labcllo scaphiforme calcare 

 elongato gracilliiuo instructo. 



Herha glabemma, caule gracili. Folia alterna, 3-5 cm. loiiga, 

 petiolata, ovata vel ovato-Ianceolata, acuminata, setoso-serrata vel 

 serrulata, crassiuscula vel coriacea, basi in petiolum 1-2 cm. longum 



angustata, marginibus basin, versus ciliatis, nervis utrinque 5-6. 

 Inflorescentia simpliciter pedicellata ; pedicelli solitarii, foliis longiores, 

 graciles, ima basi bracteati. Flores ad 2 cm. expansi. Sepala 2, 

 oblique oblate ovato-rotundata, acuta, crassiuscula, 7 mm. lata. 

 Vexillum subquadratum, late bifidum, 1-4 cm. latum, costa dorse alto 

 cariuata, carina in rostrum breve subterminale scnsim dilatata. Alae 

 breves, sessiles, latiorcs quam longae ; lobi apice filis ad 5 mm. longis 

 instructi ; basalis oblongus, decur\TiS, apice acutus ; distalis subduplo 

 major, obcordatus, sinu filifero ; auricula dorsalis rotundata. Lahelli 

 lifnbus scaphiformis, suberectus, ovatus, acuminatus, ad 12 mm. 

 longus ; calcar elongatum, 4'7 cm. longum, gracillimum. Filumenla 

 brevia, falcata, late linearia ; antherae majusculae, didymae, obtusae. 

 Ovarium ellipsoideum, obtusum. — J. D. Hooker. 



INDO-China : Tonkin ; Laos^ Attopeu region^ Br, Ilarmand. Paris 

 Herbarium. 



* 



Fig. 1, pedicel and bract ; 2, sepal ; 3, standard ; 4, wing ; 5, lip ; 6, stamen ; 

 7, ovary, AU more or less enlarged. 



