

* > 















Lythraceae. Xlll. Nesaea Commers. Nr. 287—289. 



325 



Glaberrima. Caulis (7 — 30cm.) e basi radicante repente ascendens, 



ranus erectus, mollis quasi spongiosus. crassus, sub-4angulus; 



rami 



quando adsunt simplices. — Folia opposita, sessilia v. subsess., basi acuta 

 v. cuneato - attenuata , angusle 

 3 — 14 rami 



oblonga v. obovato-oblonga (5 — 40mm.: 



Dichasia circ. 1 



obtusa, penninervia v. subuninervia. Slip. utr. 2 



rt 



3. 



7flora; pedicel li 2 — 6 mm. longi, ima basi proph. mi- 

 nima lineari-subulata gerentes. — Calu (i — S^mm.) fere semiglobosus, 



4 — Va aequantes; appendices 



fructifer subizlobosus. 8nervis; lobi tubi 



lobos circ. aequanles, corniformes, patulae. — Petala4, culycem aequantia, 

 orbicularia, purp.-vioL, forsan interd. nulla. — Stamina 4 — 6', raro 7 v. 8 1 

 ad tubi circ. l / i ins., lobos circ. aequantia. — Ovarium globosum 2 1 ocu- 

 lar e; stylus dimidio ovario brevior v. brevissimus. Columna placentaris 



demum crassissima globosa 2sulca. 



C a p su 1 a globosa , lobos circ. 



aequans. Semina subrotunda, hinc plana hinc convexa. fulva. 



Af. In paludosis, interd. mari inundatis, Sud. khann in penins. promont. viridis 

 et ad fontes Gfaielcouil in regno Cayor mart.-maj.! Sansibar sept.! — Mad. sec. Tulasne 

 sub N. polyantha. 



* 



888(2). R. loaudeitsis (Wehv. et Hrn,) Koehne. 



; 





Sjnoii. Ammannia loandensis Welvv. ms., ed. Hrn.! 1871, in 01. tl. trop. Afr. 2. 480. 

 lean. Koehne atl. ined. t. 71. f. 288. 



Annua sec. Hrn., saturate viridis, prostrata. Gaules plures 7 — 15cm. 



longi; rami oppositi patenti-ascendentes 4goni. 



Folia opposita, sub- 



sess., inferiora basi fere cuneato-attenuata, superior a basi obtusa v. cordata, 

 ovali-oblonga v. lanceolala (4 — 9mm.: 9 — 17mm.), acuta, vix scabrius- 

 cula, subt. subglaucescentia, margine interd. incrassata subrecurva albida 

 et minutim scabriuscula. — Dichasia ut in Nr. 287, sed pedicelli florum 

 vetustiorum ad 2mm. tantrum longi, juniorum breviores; proph. pedicellos 

 vix aequantia. — Calyx (l^rnm.) subanguste cam|)anulalus, 8strialus; 

 lobi tubi ^3 circ. aeq. v. sublongiores conniventes; append, eosd, acq. v. 



— Pet a la rarissima 



parum superantes corniformes, apice ciliolatae, 

 quando adsunt haud parva. 



? 



Stamina 4, parum 



infra tubi l / 2 i RS -> 



lobos aeq. — Stylus ovarii y 2 aequans. 



Af. Sud. Guinea inferior : Angola, Loandajttl./ 









Series 



*> 



Pedicelli peculiar es 





communi haud longiores ; 



dichasia I 



— 7( — 9) flora. Prophytla calycem aequantia v. superantia, in 

 specie unica (Nr. 292) calycem dimidium tantum aequantia, lanceolata v. 

 oblonga v. ovata, pi. min. cymbiformia. Flores imeri, raro 5-meris paucis 



- 



intermixlis. Stamina semper tot quot sepala. 



289 (3). K lanceolata (Wall, ms.) Koehne ! ), 



Svuuii. Ammannia lanceolata Wall. 1828, cat. n. 2106! et 2106E! (sine diagn.), 



1) Urn Verwechselungen zu vermeiden, bemerke ich, dass ich diese Art in ver- 

 sehiedenen Herbarien mit dem \orl<iufigen Namen A r . ammannioides bezeichnet hatte. 





i 





