1896 | THE PHALLOIDEA OF THE UNITED STATES 281 
for believing that these gelatinous masses are all connected with 
each other and with the main central mass of medullary tissue. 
In fig. ro an irregular mass occurs consisting of five main parts 
each of which is marked z. Upon following this mass weread 
through the series, it is found that its five parts finally become 
separate from each other, and that the outermost part of the 
original mass does not reach up into the plane of the highest 
diate (ig. 73). The small mass marked 2 also fails to reach 
= ete. that pection: The attempt to follow in serial sections 
€ apparently isolated masses (Fischer’s “hyphal knots’) of 
eas a section leads to the conclusion that such masses are 
oats highly sagas structure arising from the inner 
outward aaa and that the ramification of this mass is 
the medullar = y upward. : Such a branched structure along 
en. cael side of the cavity has arisen, without doubt, partly 
Cohae He aaa by the formation of the palisade-layer, 
in part ol ae ed; but there is evidence that it may be due 
the medullary ms irregular splitting downward and inward into 
connections - ie o shown by the changes that occur in the 
masses, joined o SaVitY 9 ( figs. 10-13); and by the fact that 
Separate in oth opether Ente one! in some sections, become 
is afforded b ie ia join again into one. Other evidence 
hyphe ag e distribution among the medullary masses of 
tissue is found . cortical plates. In this stage such cortical 
the i es ei abundance in the marginal portions of 
the spaces “ay ge wholly absent from some, but not all, of 
cae on. the more centrally situated masses. ao 
occupy spaces at Satie: which we have hacia considering 
‘aculum in later ee chamber-<ayiuee of the recep- 
definitely indie stages. Although portions of 4, they are more 
ated by 4 in figs. 6-9, and 74. 
Walls of the re & 9 4 ’ 
Ms a broad la — Reeaien— Tae tissue of a cortical plate (C’) 
vided into Pee o loosely interwoven and branching hyphe, 
the cortical layer iC . ere tissue is quite similar to that of 
Along the a, sp ) with which it has unbroken cone 
ges of the cortical plates, their tissue passes 
for 
di 
