on the Genus Juncus of Linnceus. 327 



to ohtusiflorus, yet, as compared with acutiflorus, it is sufficiently 

 characteristic. His synonyms are quite consistent with this opi- 

 nion. This by the old botanists was called the aquaticus, while 

 the acutiflorus was called sijlvaticus. Linnffius himself makes this 

 distinction in his Systema Natures. We are indebted to the Rev. 

 Hugh Davies for making them intelligible to the EnHish bo- 

 tanist. ° 



21. Juncus oetusiflorus. 

 Juncus foliis terctibus nodoso-articulatis, paniculd supradecora- 

 positA divancatA, calycis foliolis ellipticis obtusis capsules Ion- 

 gitudine. 



J. foliis cauleque nodoso-articulatis teretibus, paniculAdivaricatd, 

 calyce obtuso longitudine capsulte. Compend. Flor. Brit. 55 

 Eng. Bot. XXX. 2144. 



J. foliis teretibus, panicula terminali supradecomposita divaricato- 

 refracta, calycis foiiolis ellipticis obtusis, capsula ovato-acumi- 

 oata triquetra, culmo bifolio. Davies, Li?m. Trans, y. 13. 



J. foliis nodoso-articulatis, floribus obtusis. Ehrh. Gram. 76. 



J. articulatus /3. Flor. Brit. 519. exclus. synonym. 



Gramen junceum sylvaticum. Gtr. 20. 



Angl. Blunt-flowered Rush. Blunt-flowered jointed Rush. 

 Wood Rushie Grass. 



Habitat in stagnis et aquosis, non vulgaris, 

 Peren. July, August. 



Stem evect, two or three feet high, smooth, even, cylindrical, di- 

 vided mto cells between the joints, bearing usually two leaves 

 Leaves ngid, jointed, cylindrical, smooth, pointed ; joints eel- 

 lular. Pamcle terminal, very much branched ; branches re- 

 peatedly compound, entangled one with the other; ultimate 

 branchlets frequently refracted. Flowers small, lateral and 



terminal. 



