1893.) The Organism of Leguminous Tubercles. 229 
also the characteristic enlargements of these structures where 
they pass through the cell walls. He believed these fungus 
hyphe to be the real cause of the tubercles, 
_DeVries*® observed the hyphe described by Eriksson but 
Mattei®* declare there exists no mycelium in the tissues. 
and about this time Woronin?& retreats from his former posi- 
tion that the tubercles were caused by bacteria or vibrio-like 
due to a plasmodium, being 
influenced probably by his studies upon the club-foot of cab- 
. Prillieux®s largely corroborated the studies of Eriks- 
i 
4 
4 
a 
peared B. Frank’s first important paper on the 
oth the hyphe and the bacteria-like bodies. 
ter sprouted off from the former. In an 
‘ he thought the fungus to be closely allied 
fa 
a7 
om 
s 
& 
5 
a. 
> 
“*Wachsto : 
Ueber .. des roten Klees. Landw. Jahrb. 1877. 
Cen, me age Bedeutung der Wurzelkncellchen bei den Papiliona- 
dw. 
ae a 1. : ss) penta der Wurzelkncelchen der 
ie ‘ald. XVIII (1884), 86. 
Petia l' Acad. Sciences, xxv; (1878), 
2 wnt ‘ rigine della Vicia faba. Bologna, 1887, cited by Vuille- 
Wemlanschwelfangen eo Vereins der Prov. Brandenburg, 1877. Ueber die 
ne tasiten, Ibid. 18 * Leguminosen und ihre Erzeugung durch Einfluss 
-ssieimn’s Jahrb. § w 
Rape B i. f. wiss. Bot. x1, 548. 
eh 
des Léguminesses de la formation des tubercles qui naissent sur 
. - Bull. Soc. Bot: d. France, 1879, p. 98, 
° : Sc. Paris, CXI, 926. : 
: V1 (1879), 9, 24° ay Ur?elanschwellungen der Papilionaceen. 
| OMe Rin eR, Pp. 1,944. 
