"294 ACADEMIE l)L GÉOGRAPHIE BOTANIQUE 26 



Stépansky rybnik » prope oppidum Zbirov frequentissime 

 D min, III. 5 

 Planta bohemica sequentibus noiis significatur : 

 Gracilis humilisque ramis prostratis solo adjacentîbus . foliis 

 parvis par um sinuato-angulatis dentibus paucis apice obtusis, 

 glomerulis in foliorum angulis densis fere hemisphaericis. 



Chenopodium polyspermum L. var. Rohlenae Murrin Rohl. 



1-4- 



Foliis caulinis inferioribus me Jusque late triangularibus basi 

 dentibus /-_■ rarius 3 instructis saepe trilobatis usque has- 

 tatis. 



Boh. centr. : in ruderatis prope Pragam (leg. Rohlena). 



Facie combinationem Chen polyspermum • hybridum revo- 

 cat, sed certe non by brida. 



Chen. polyspermum var. lucidum Murr. in Rohl I, 5. 



Foliis tenuibus utrinque, praesertim ni nervis nitentibus, 



Cum praecedenti (Rohlena . 



Chenopodium ficifulium Sm var. integrifolium Murr in 

 Rohl. 1. c. 



Foliis integerrimis. 



In ruderatis a I Holesovice prope Pragam Rohlena . 



Chenopodium ficifolium Sm. var. microphyllum Murr in 

 Rohl. I. c. 



Foins parvis conspicue minoribus integerrimis. 



Cum praecedenti Rohlena . 



Chenopodium album L. provenit in Bohemia praecipue in 

 formis a lanceolatum Muehlenb., b. viride Moq., c stna- 

 tum Kras., d microiohyllum Moq. e) subhast.itum Kras. 

 i R( ni. in \ I . e.. \)< -min. III. 58-5g . 



Chenopodium opulifolium Schrad. var. betulifolium Murr. D. 

 bot. Monaischr. Xi I. 65 (1894 . 



Boh. orient. : propeTyniste Rohlena, 1. c. . 



Chen. opulifolium SchraJ. var. mucronulatum Ci. Beck FI. v. 

 Nied. 33 1 1890). 



In ruderatis ad Holesovice prope Pragam (Roui.knx I. c. . 



I*. formis hybridis inter Ch. opulifolium et Chen. album inier- 

 me \V\s sunt in Bohemia observatae : 



a Chen. Borbasii Murr Progr. Obërrealsch, Innsbr. 1891, 

 p. 55 sq., I). bot. Monatschr. 1896, p. 34 



Prope Pragam leg. Tausch Murr Magy. Bot. Lap. tg 

 n° 11. sep. p. 5 . 



b) Chen Preissmanni Murr D. bot. Monatschr. 1901, p. |o. 

 ihemia, leg. Tausch sine lue" indicato Murr Magy. Bot. 

 Lapok 1. 



Formae intermediae hybridae inier Chen. album, et opulifo- 

 lium haud raro in Bohemia cum parentibus occurunt (Rohi 

 1.4. 



Plantam characteres (.h. opulifolii et (.h. albi var. vtridis 

 jugentem, sed Ch. opulifolio prqpiorem foliis inferioribus Chen. 

 Diireriano Murr supenoribus Ch. subopuli/olio Murr similem 



