iea 



A S£W AND PARASITIC 



They are at once definitely distinguishable fr 



it is in the 



from the sporadic spores of the Ghoanephora Cunningh 



:0) owij 



i the < 



IX, Fi 



dia, and 



13 



14 



if 



to the fact that one or ordinarily both of 



provided with a 



bundle of fine, lonir, radiant, colourless processes, which in son 



Oolowleai protrusion and in others appear to emerge directly fr 



cases originate 



from 



a 



point at which the 



ep 



is 



ab 



(Plat 



VIII, Fig. 19, Plate IX, Figs. 2, 4, 5). They 



resein ido the rudimentary mycelial pr 



of certain of the Rhizidieae and 



'y 



seem 



ha 



> 



function as is indicated bv the facts 



the 



♦hat 



considerah 

 h in tl") c 



fphora CunniiHjhamianrt, p 



P 



tiicr^o a very 

 ncrurrmir bol 



th 



appear 



bly 



f tlie conid 



d 



ponding vacuolation, like 



that of the 



sp 



sp 



f 



in cases win-re 



dost). »ro is not 



(Plat, I 



Uhi/.idie 



ney are c 



frequently 



d 



Ull 



d 



conditions of defec 



of germinal tabes, and also that, 



ped as a d 



nutrition, a chlamy 



X. Fiir. 



When I In? latter is the case the 



of the intrasporic pro'opl 



f th 



•- 



ery stiik 



deed, bee 



a spores to 



most 



d 



as will presently be 



the chlamytlospoivs on germinating in most cases give direct origin to sporangife 



filament 



Tin 



ep 



f 



*P 



d that of the 



d 



in cases in which the latter 



ndcrgo any considerahle increase in bulk ere germinating, is ruptured ere th 



of a gc 



d 



Pt 



pores of Choancf* 

 inwoven follow t 



Inch d 



Cannuigh 



pi 



d the germin 



IX. 1 



O 



16, 20 



takes tho form of irregular assuring, whilst 



same course in the two cases. In that of th 



f either the 

 The rupture 



e 



of the 



sp 



broken u:> into a number of distinct fragments (Plate IX, Figs. 3 4). 1 



dia the episp 



it 



is 



of rupture of the epispore of the 

 of such a phenomenon in the case c 



parallels of unisporip sporangia; for 



round, then in 



o 



sp 



fjp 



f 



ic spores clearly shows that th 



th 



on 



id 



ground for regard 



occurrence 



o 



are 



a case like the present the 



to be regarded as such on this 



same light, and thjs leaves the 



Even where 



diif 



pre 



f th 



pm-angic spores must be regarded in the 



e 



fil 



become unisporic, as is not unfrequently the 



produce a single 



sporangium 



ted for 



diutn only and the 



difference between the two forms of fructificat 



der the inn" 



sp 



(I 



(Plate IX, Figs. 10, 



On germinating the 



of defective nu 

 sharply defined 



as 



conid i a give origin to 



other hand, have 

 as to leave th 



appar ntly indifferently fro 



one, or some times two, 



i 



never more than one tub 

 sites of origin of the radi 



any point of the surface 



3, and this invai 



processes intact 



germi 

 3 sport 



medium furnishes sufficient nutritive supply, the ger 



lal tubes, 



s, on the 



iably originates laterally so 



(Plate IX, Figs. 3, 4). 



pores and conidia alike rapidly length 



aseptate mucorine mycel 



although 



in cultivations in 



ramify, and g 



of both sp 



■f 



iderab! 



fie 



d 



med 



origin to a characteristic 



\ghamitma (Plate VIII, Fio- 



and as a rule larger than th 



the mycelial fil 



» 



proportions winch 



them d 



18; Plate IX, Fig. 



14) 



f Gho'incph 



m 



never attain the 



c 



olossal 



fcilWI „ w 7> V piam 0CCUrs Plastically 



tine al cultivations presently gives origin to an abundant cron nf i 



The 



mycelium 



hich appear fi 



'c 



properties of the latter diminish 



margins of the medium 



p ot sporangiferous fila 



and afterward 



is hi 



©My concentrated a certain numb 





i 



over its entire surfac 



I 



as the nutritive 



of conidiiferous filamen 



cases where the medium 



are 



ated 



wi 



ith 











