Tabul\ 2855. 



IMPATIENS LANESSANI, Ilk. f. 



Ealsamixaceae. 



I. Lanessani, Uh /. (57?. nov.) ; species inflorescentia simplicitcr 



pedicellata, foliis longe petiolatis serrulatis, sepalis orbicularibus, 



alarum lobis distalibus connatis et labello cupulari brevissime cal- 

 carato. 



Herha glaberrinia, caule elongato graciU sparsim folioso. Folia 

 10-15 cm, longa, altcrna, petiolata, membranacea, ovato-laiiceolata, 

 acuminata, serrulata, basi in petiolum gracilem 2-5 cm. longum angus- 

 tata, nervis utrinque 10-12 gracilibus. Infloresceyitia simpliciter 

 pedicellata ; pedicelli solitarii, petiolis multo breviores, vix 1 cm, 

 longl, filiformes. Flores ad 2 cm. expansi. Sepala 2, orbicularia, 



cuspidata, 10 mm. diametro, membranacea, multincrvia. Vexillum 

 ellipticum, 12 mm. longum, apice rotundatum, costa gracili medio 

 dorso incrassata. Alae ad 2 cm. longae; lobi basales falcati, obovati; 

 distales oblongi, connati ; auriculae dorsales conflucntcs. Labellum 

 cupulare, obtusum, calcare brevissimo incurvo fisso. Filamenta 

 linearia ; antherae didymae, obtusae. Ovarium rectum, gracile, 

 acuminatum. Capsidae 10 mm. longae, medio ventricosae, longe stipi- 

 tatae, rostratae, oligospermae. Semina oblonga, 4 mm. longa, minu- 

 tissime puberula. — J. D. Hooker. 



Ixdo-China : Lower Cochinchina ; Pulo-Condor, De Lanessan. 

 Paris Herbarium, 



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

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



