580 



WEED FLORA OF IOWA 



Fig. 442. Dandelion {Taraxacum officinale). 



BIBLIOGRAPHY. 



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Buscaloni, L. Contribuzione alio studio della membrana cellulare. 



Malpighia 6 :3-40, 217-228 ; pi. 1-2. 7 -.105-162 ; pi. 1-2. 8 :3-13 ; 



pi. 1-3. 1875. 

 Dahmen, Max. Anatomiseh-physiologisch Untersuchung iiber d. 



Funiculus d. Samen. Prings. Jahrb. f . wiss. Bot. 23 :441-478 ; 



pi. 20-22. 

 Fluckiger, F. A., and Hanbury, D. Pharniacographia : a history 



of the principal drugs of vegetable origin met with in Great 



Britain and British India. Ed. 2, 803. London, 1879. 

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hung der vegetabilischen Schleime. Pringsh. Jhrb. f. wiss. 



Bot. 5 :161 ; pi. 15-16. 1886. 



