113. 
113. 
OEDOGONIUM ae 
Vegetative cell 16-26 * 112-250u.................. 17. Oe. glabrum 
Vegetative cell 33-42 X 42-130u.. .... 38. O6e. princeps 
90. Diameter of male v egetative cell 18-33 “led. EOF: Re Ol Se eae ea 91 
90. Diameter of male vegetative cell 34-5Qu.......................... 94 
Oospore usually ellipsoid to cylindric-globose...... 37. Oe. capilliforme 
@osporeiusuallly clabosetolsubsloboseyees. 8.2. nda ct cece ee dee uses 92 
DED ivisionromanthencdimmyhonizontaleeassess 62s .ce.soes.cecs-se. n. 93 
92. Division of antheridium vertical............ 39. Oe. biforme 
Oogonium 40-53 X 40-65y............. 37b. Oe. capilliforme f. lorenizit 
Oogonium 46-57 X 52-64 (-80)u....... 37a. Oe. capilliforme £. debaryanum 
Oogonium 36-53 X 48-60u............. 37c. Oe. capilliforme var. australe 
94. Oogonium 46-564 in diameter... 37d. Oe. capilliforme var. diversum 
94. Oogonium 54-65u in diameter............... 40. Oe. anomalum 
94. Oogonium 70-85u in diameter............... 42. Oe. rivulare 
Diameter Ooozoniuim so -OonC-OS)iinee sds ss oes se fe hea. deo oe ve 96 
Diametrernovoozonitm (GO=)G3-90ws -. 408... 2 oe cn ben boobies cc hones: 106 
96. Male filament larger than female............ 43. Oc. pachyandrium 
S65) Maile filament notlangen thamtemale,... 22.2.5. 5...0..2.4.-0cssc- 97 
WeretativercellMl—S diameters longa ile anne ee ee ies wa dsc deca 98 
Weretativercelli2-Gidiametenslome=s ase sia enas tes ec ee os ee ens 100 
Wegerativeicellig—lledvametens, lone: jn a.lseei eee cn ns oa va awk. 102 
98. Oospore 40-60u long............ 35a. Oe. capillare f. stagnale 
OS see OOSDOLGIOUS CULE lOMe in sancti nhs Stn ini8, APM EMR pe en es 99 
Diameterioroospone lollies secs. eee oe: 209. Oe. oryzse* 
Diameter of oospore 40-56u...........209a. Oe. oryz@ var. seriosporum* 
Diameteromoospore ol—OUweesre. s.-2 606s e nse 44. Oe. mexicanum 
100A Cellsdiameterion malewnlament 18-282. 98-4 os seed. ose es 101 
100. Cell diameter of male filament 28-33u....... 45. Oe. grande 
100. Cell diameter of male filament 32-42,, 
45d. Oe. grande var. majus 
Oogonium usually obovoid............ 45b. Oe. grande var. aequatoriale 
Oogontuni usually subobovoid.............. 05.925: 39. O8c. biforme 
102. Division of antheridium horizontal, 
15c. Oe. cardiacum var. carbonicum 
LOZ ee Divistonromanthenridiumi wenticale..). 1,082 5405 5266s nea ascns nae 103 
Woconiumyuisuallyrobowoids ens: 0.1.5... eee 46. Oc. oboviforme 
Oogonium usually cylindric-obovoid............... 39. Oc. biforme 
Oogonium usually subovoid or ellipsoid-ovoid.........................5. 104 
104. Diameter of oogonium 42-52u... 45c. Oe. grande var. angustum 
1025s Diameter ooorgonimmy 49-84. ay yee ewes ke eco deca es 105 
Diameter of vegetative cell 20-27u.... 45a. Oe. grande f. gemelliparum 
Diameter of vegetative cell 28-87u................ 45. Oe. grande 
Diameter of vegetative cell 36-46u.... 45d. Oe. grande var. majus 
106. Oospore conspicuously not filling oogonium.. 42. Oe. rivulare 
LOGE Oosporemeanlwoneuite tillinesooconiumeyns se nese ls ss). oe 107 
Mereraunercelilel—Gidiametens lomg sent. u.. cee tet sae oes msde ees 108 
Vegetative cell 6-10 diameters long............... 47. Oe. subrectum 
LOSSeCellidiametenomealestilament 80-37-4415. 52255-2205 .0¢005 nee ve 109 
LOS Gellidiametemormnalertilamentmeb—O0Me sso. oes sec acs oe. .-e aoe se: 110 
@osporelobovoidstorellipsoid=s.- 2.) 4.0.50... 20 48. Oe. landsborought 
Oospore ellipsoid to globose-ellipsoid.............. 49. Oe. crassum 
Eee etieerta i OOSPONCM fic LOU fle Ne on Sk oa Ath csoa oes al pee ee eases ACL 
110. Length of oospore 100-125u..... 49b. Oe. crassum var. longum 
Diameter of oogonium 64-73y......... 48a. Oe. landsboroughi var. norvegicum 
DiAmMetemomooconiimnlo-O0 wwe wee eye Aoisi deo. ecole ae ae auadawt ms 112 
112. Vegetative cell 1-3 diameters long, 
49a. Oe. crassum f. amplum 
112. Vegetative cell 3-5 diameters long, 
49c. Oe. crassum var. subtumidum 
Diameter of vegetative cell 6-24 (G27). - 2. so. hace tect ace eet e peeves 114 
Diameter of veretative cell 24490... 3. ose ccc ee ee ese aaa’ 115 
*See footnote, page 53. 
