8 



ramis tunc tetragonis ab aequinoctiali vegetiori planta dif- 

 ferebant. 



4. Stemodia palustris Aug. St. Hilaire Hist. d. pl 1. 

 plus remarq. cl. Brasil et du Paraguay Fase. V. p. 216. 



In humidis ad ripam fluminis Rio Ncgro et ad mar- 

 gines pallidum in provineiis meridionalibus Brasiliac Janua- 

 rio florcnlem legit Scllow. A'. 



Sequentia in sclicdula adscripsit collcctor: „Radix 

 „repens. Caulis adscendens. Folia opposita ternataque. 

 „Calyx viridis. Corolla violacea, palato hinc convexo inde 

 „coneavo, albo." — - Capsula calycem feie aequat, axi 

 sesquilineari. 



5. Stemodia hyptoides N. 



St. pubescenti-hirsula, foliis oppositis (et lernalis) 

 ovato-lanceolatis argute dentatis , infernc angustatis et 

 basi auriculata amplexicaulibus et integerrimis , spicis ter- 

 minalibus densifloris paniculatis, calycibus bibracteatis. 



In provineiis nieridionalibus Brasiliae copiosam legil 

 Sellow. 2J,. 



Herba habilu Hyptidis s. Menth ae , foliis oppositis, t 

 rarius ternis quaternisve, ramis axillaribus erectis caule 

 brevioribus pyramidato-paniculata, ex toto pubescens hir- 

 sutave, pilis in caule longioribus, arliculatis, crispatis, 

 rigidnlis. Radix perennis, fibrosa, rarius (in udis?) stolo- 

 nes agens. Caulis solitarius, erectus, simplex, letragonus, 

 obtusangulus, angulis linca prominula notatis, ulnaris cu- 

 bitalis elatiorque, infera denudata parte gracilior, supera 

 ramifera crassior, internodiis \\ — 2-| pollicaribus. Folia 

 basi latiori rotundalo- auriculata et integerrima semiam- 

 plexicaulia, dein angustiora, contraeta, integerrima et sen- 

 sim in laminam expansa ovatam vel ovato-lanceolatam, 

 acutam, argute serratam; margine apieibusque praesertim 

 dentium calloso-incrassatis et sub lentc forti hinc inde 

 pilis detritis quasi papillosis; nervo venisque subopposilis 



