90 Meyer 



let. de la Soc. des Natural, de Mose. 1838 p. lOl; Cham, in Linnaea 



VI p. 534 (specim. masc). 



Dsherganä, Mongolis (Jährig.) 

 Species galbulis iinifloris, involiicri vagina intinia ampla pseudo-nuculam 

 inchidente iliaque fere diiplo longiore et tiibillo elongato torto optime 

 distincta. 



Suffrutex humilis, diflfusus. Radix repens, crassitie pennae columbinae, 

 vel pavüo crassior, cortice fuscescente vestita, multicaulis. Gaules herbacei, 

 ima basi fruticulosi, modice ramosi, laterales saepe declinati. Rami recti, te- 

 niies, flavescenti-virides, striati, tuberculato-scabri, tenaces et in sicco ad 

 genicula haud secedentes; internodia '/, — '/, poll. longa. Vaginae arctae, 

 virescenti-flavidae, bidentatae: dentibus obtusis, vel saepe apice herbaceo 

 acutatis. Amenta ad ramorum articulos, utrinque solitaria, opposita, diolca 

 vel non raro monoica, i. e. mascula et foeminea in eadem stirpe. Amenta 

 mascula sessilia, basi vaginalis nonnullis vacuis fulta, illis E. vulgaris mi- 

 nora, subglobosa. Arftherae 6 — 8, sossiles vel mediae substipitatae. Amenta 

 foeminea in apice pednnculi perbrcvis (1 3 lin. longi) continui, dein 

 reciirvati sessilia (nulle pedicello proprio fulta) et cum pedunculi vaginula 

 terminal! articulata, deflorata secunda, semper uniflora. Involucri vaginae 3 

 (interdum 2), in fructu valde ampliatae, pseudo nuculam fere duplo longio- 

 ri'S, immarginatae ; infima reliquis minor ^ subsemipartita ; media inlima 

 duplo brevior, bifida: lobis latis obtusis; intima vix ad mediam partem sub- 

 bifida; lobis latissiinis obtusis. Galbuhis turgidus, subglobosus, 4 lin. in dia- 

 metro. Pseudo -nucula ovata vel ovato-oblonga, obtusiuscula, binc valde, 

 illinc minus convexa, 2 vix 2' ^ lin. longa. Tubillus elongatus, longe ex- 

 sertus et in serpentis formam tortus: limbus ligulatus brevis, parte tnbutosa 

 quadruple octuplove brevior. 



Hab. ad Lenam amnem! (Gmel), in regionibus eis Baicalem, prope pa- 

 gum Wedenskaja ! (Turcz.), et prope Kultuk ! (Gebier): in rupibus transbai- 



