167 



4 foliaceis lato-ovatis acuminatis basi connatis, iuternuiu 

 cojistans squamis hyalinis parvis fuscis nervosis. Reeeptacu- 

 luin couicum paleaceum, paleae membranaceae stramiueae lan- 

 ceolato- t. oblongo -obovalae nervosac in cuspidem pur- 

 purasceutein apice productae. 



Flosculi radii 8—10 ligulati pistillati fertiles, ligulae 

 anguste oblongae luteae 7 — 8-nerves basi attemiatae apice 

 bidentatae supra glabrae snbtiis glandulosae, nervi atropur- 

 purei. Stylus linearis compressus, rami elougati lineares com- 

 pressi obtusi. 



Flosculi disci nunierosi perfecti tnbulosi nervosi 5-den- 

 tati, tubus glanduloso- puberulus , limbus papillosus, dentes 

 ovali. Stylus cylindraceus , raini apice hi appendicem acumi- 

 uatam hispidam prodncti. 



Achaenia obovato - turbinata quadrangularia longitudinali- 

 ter multistriata pappo destituta minutissime strigosa atque pa- 

 pulosa. 



Herbae perennes glanduloso- viseidulae caule dicbotomo, 

 foliis oppositis lyrato-siuuatis, capilulis majusculis longe- 

 pedunculatis raraos terminantibus, ligulis luteis. 



Genus proximum Telragonothcca L. differt ligulis latis 

 inultinerviis 3-dentatis, achaeniis teretiusculis laevibus, foliis 

 integris dentatis. 



18. Tetragonosperiua lyratifolium niilii. 



Radix perenuis. Caulis firmus erectus purpurascens sul- 

 catus glanduloso -viscidulus dichotomus, capitulum longepe- 

 dunculatum in dichotom'a. 



Folia oblouga sinuatp - lyrata pinninervia calloso-mucro- 

 nata glanduloso -viscida, lobi divaricati oblongi margiiie mi- 

 nute papilloso-ciliati calloso-mucronati, terminalis major; 

 folia radicalia et caulina inferiora in pctiolum basi vaginan- 

 tem dilatatum aniplexicaulem angustata, superiora sessilia. 



