40 
('akxe — Broirii Roi of Cifnis. 
1'!). Siiiitl), R. K. ^ Smitli, K. IT. A Xfu- funj^us of Ecomnnir 
J in]Kirt;nu't' . Hot. (Riz., 4l^ : 2^1, 
::o. Hmith, K. E. Biowu liot of I.cmon. TAii. Oaliforni:i, A‘>. 
Exp. Stn. Bull. 190, 1907. 
:;l. Smitti. H. E. & Hmitli, E. II . Kiiftlioi' Htudies of Pytliia- 
(Muuis iiifoctioii of (lei-idiious fi'uit troos in Oalifovnia . T*hyto- 
path. 1-1: ;:s<) 404, 192d. 
Expi..\x.vT[().\ OF Plates. 
I. 
Pjijur. Orniip'O tr(*o partially (h'foliatod . 
Lower. Lemon tree com])letely defoliated. Fruit ' ‘ 
affected . 
J'lffocts of Plij{fo/>li'ltoy<t hihfTiidli.s. Madtlino'tojp July, 1924 . 
II. 
Lultures on potato d<*xtros(> a^ar. Growth in Id days at 12 - 
ld<^ (’. Ppper — rinifojtht linra Left lower- 
Rilthiuciistis citrophthord. Ripht lower— P7p?//oydd Zoom 
tfirrstris . 
II [ . 
Rln/toplithom hihcniaU.s — Mi(U-o])hoto^‘ra.])iis sliowiiij'' oo^'oiiia 
and antlieridia from jtotato dextrose aj^ar culture, luset--- 
(lenninatiny conidium showing' p-man tuhe and ].>ersi.stei!t 
pedicel . 
IV. 
Pln/ioplii]ior(( Iiihdnuilis — 
Al. Coiiidia showing slia]H' and vacuoles. 
A2 . ( 'onidia discdiarging zoospores . 
.\.‘i . Discharged conidia. 
A4 . Zoosjtores . 
A. ). Zoosj)ores rounded off and germinating. 
A(). ('onidia gerinin Ling . 
A 7 . ( ''onidium ])rodLLi ug sec on da iw conidia . 
B. Oogonia, oos()ores and antlieridia. 
B1 A' 2. Paragymms antheiddia. 
B-'' . Autlieridiuni . 
-Mycidium showing septa. 
