12 



ovato-lanceolata, raroobovata, acuta, remote minute spinulosa, serrulata, 

 supra scaberula, subtus pallida, basi acuta, aliquando ciliata et in petiolum 

 5-io mm, longum angustata, utrinque 3-4 nervia, nervis pubescentibus ; 

 glandulae stipulares o. Inflorescentia simpliciter pedicellata ; pedicelli 2-5 cm . 

 longi, filiformes, fructiferi haud elongati. Flores i cm. expansi, purpurei, 

 vexillo alisque crassis. Sepala oblique ovata, acuminata, 6 mm. longa, te- 

 nuiter 5-7-nervia, basi rotundata. Vexillum cuneato-rotundatum, bilobum 

 ad 6 mm. latum, dorso crasse cristatum. Alee sessiles, 8-jo mm. longre • 

 lobus basalis rotundatus, distalis paullo longior, obtusus; auricula dorsalis 

 fere basalis, subulata. Labelli limbus late cymbiformis, 6-7 mm. longus 

 apice obtusus, cristatus; calcar 2,5 cm. longum, gracile. Filamenta brevis- 

 sima ; anthene orbiculares, connate, intrusae. Ovarium oblongum, obtusum 

 rectum. Capsula? 18-20 mm. longre, gibbosim turgidae, breviter stipitat£E, 

 obtusae, rostratae, polyspermae. Semina oblonga, obovoidea, 3-3,3 mm. 

 longa, hirsuta. 



Cambodia : prov. Tpong, mom Knang-Krepeu, alt. 1200 met. 

 n. 610 (L. Pierre). 



4. Impatiens inops Hk. f., sp. nov. 



Herba humilis, parviflora, caule subsimplici basi repente, supra rigide 

 riexuoso, tomentoso. Folia i5-a-5 mm. longa, alterna, petiolata, firma, 

 ovata, acuta, basi cordata v. oblonga, basi acuta, supra scaberula, subtus to- 

 mentella, basin versus nuda v. spinulis paucis marginata, petiolo 6-10 mm. 

 longo, tomentello ; nervis utrinque 3-4. Inflorescentia simpliciter pedicel- 

 lata ; pedicelli foliis longiores, graciles, pubescentes. Flores 2 cm. expansi, 

 perigonii foliola crassa. Sepala 2, ad 1 mm. longa, ovata, acuta, pubes- 

 centia. Vexillum oblate obcordatum, ad 10 mm. latum, costa dorso incras- 

 sata sinu inter lobos rostrata. Ala sessiles, 11 mm. longae; lobus basalis 

 ampius, rotundatus, margine antico intruso; distalis minor, oblongus, erec- 

 tus, apice rotundatus : auricula dorsalis, minuta, incurva. Labelli pubes- 



centis limbus ovatus, acutus, cymbiformis, ascendens ; calcar gracile, 12 mm. 

 longum. 



Laos : bassin d'Attopeu, n. 33 1 8 [Pierre). 



5. /. monotricha Hk. f.,sp. nov. 



Herba humilis, glaberrima, caule simplici v. furcato, sapissime colum- 

 nan, longe interne nudo. Folia 4 - 7 cm. longa, alterna, breviter petiolata, 

 hrma, ovata, acuta v. acuminata, serrulata, infra medium in petiolum eras- 

 sum i-5 mm. longum angustata, marginibus basin versus nudis v. longe 

 setos.s, costa subtus crassiuscula, nervis utrinque 5-6. Inflorescentia simpli- 

 Citer ped.cellata ; pedicelli foliis longiores, graciles, erecti. Flores ad 2 5 mm. 

 expansi. Sepala 2, ovato-rotundata, cuspidata, 10-12 mm. diam., reticu- 



