147. 
147. 
149. 
149. 
149. 
151. 
151. 
153. 
153. 
155. 
155. 
155. 
157. 
157. 
157. 
157. 
159. 
159. 
OEDOGONIUM 59 
WITHOUT DWARF MALES; OPERCULATE OOGONIUM, CYLINDRICAL 
VEGETATIVE CELLS. 
Wealiltotzoospore echinatemracn..e secede fle cen sor 212. Oe. velatum* 
Wall of oospore punctate-granulate....109a. Oe. crispum f. granulosum 
Wielitotoospore longitudinally mibbeds 22... sf. hee. oo ee dew beeen: 140 
Wilina@OOSPOLetSmMOOLMRaaer tert ne Minti auc a cota hs eM ane at eae ce 145 
LOE DivaSion Of OOLONIUM SUPEKIOR Ay see ss asians oes cyst ode seen eteeaee- 141 
140. Division of oogonium supreme............. 70. Oc. pseudacrosporum 
IRA USS PRS Thay eae OYSTERS Css phil  Slorataitec1> CSCIC CRIN eee Re eg en 142 
RAMS SOU OOMMENUTMDeL eee tei e cits eet ce techs wbawhls news. sotew: 143 
142. Diameter of oogonium 48-52u... Tla. Oe. paucocostatum var. gracilis 
142. Diameter of oogonium 54-60y............... 71. Oe. paucocostatum 
142. Diameter of oogonium 59-74u............... 72. Oc. australianum 
DROCCIOUSH NENT pms Rohe ee tae elem 73. Oe. tumidulum 
NICH OCCIOUS HEME Tarte et rot eet dae tees, ees oc ke cctaia sn ouethg aly t 144 
Reproductive structures imperfectly known........ 219. Oe. sol* 
ta Oospore 48-09) Xe O0-OShe aes ee aes dee oa 74. Oc. nobile 
144. Oospore 58-59 X 72-80u........ 74a. Oe. nobile var. minus 
1Aae Oospore Goo) ~S8—lO4us ee tn eee 75. Oe. insigne 
Moraninmi weno projections. | oA. Wee eee Ree hee oe ste he eet 146 
Miespeairitise wih) PEOFECIIONS meee <A onl ee nae e sea Se cle e ee tee cee ened 184 
MG eOospore with aamedianvconsirictions . 9224. .cme a cee tes ced eo ween 147 
1465 Oospore without aimedian constriction... -... -952.25055...2.45.5.-- 148 
@ocontummedianly plicaters.-o.6-+:. 2... ec. ase 76. Oe. excisum 
Oogonium not medianly plicate................... 200. Oc. pustllum* 
ASD ivisioniol OOeomilmuemed@an:.. .. 3.7. das eacete se ofc Seas sees yore 149 
148. Division of oogonium supramedian...... Dino a8. ure oe nO SO OE 155 
AS a Digi Sion OmMOOFOMIMMUISUPETION.. .....5 cco neat ees Fone viene eicieie ne 157 
148. Division of oogonium inferior............... 77. Oc. imversum 
148. Division of oogonium basal................. 78. Oe. infimum 
DicmecemomooZOnitm@mlo—AQ ward «.ne con ssc 4s os cttee ve cise sete sate ne vies 150 
WramerenOmooconiun20—SOMs tad ves aes ld seme eee see dae Got ease gees 151 
DameremrOmoogonitirmroO A058. soos cudin ss 3% sees Sed nee te ees nage es 152 
150. Oogonium 13-15 X 18-23u...................198. Oe. incons picuum* 
1505) "Ooronmme 14-15  31-—s5e...........2.-5-...208. Oc. fusus* 
150se Oozoniumels—19)<GlS—238uh. ao. yess sae 196. Oe. tapeinosporum* 
Divisionohoogoniumi narrow. oo... <6 se0- 2-8 a 101. Oe. gunni 
Divisionjof oogonium wide..........2....2+.-02--- 224. Oe. poecilosporum* 
152, IDMOCGICUG'; .. sotoidicrolaD Oro O Bg IONE Oo Din > DCia > Ocoee ioe aoa 153 
1G, IMMOTMOCNOTES:.. «oo oo 5 acd GOO EO So caine i Cee ae ar oro ere 154 
Diameter of oogonium 29-33y................006- 79. Oe. howardit 
Diameter of oogonium 33-40y.................... 80.. Oe. pratense 
iad Oovzonitim subslODOSEs:<4.....0 cae. + +. oe = 82. Oe. acmandrium 
1545 Oogonium pyriform-globose:.......-..-...- 83. Oc. psaegmatosporum 
WPIOECIOUS ian see's “HG dccidj2t Sid Cin eee ee Ea 89. Oc. mitratum 
NIGH OCCIOMS EIN Ie epee fever Fenleiccs cas tie stg vee ee 90. Oc. petri 
JNTaitdl RETETG MUBTEM FAVE, LECOLON AALS ors Coo Bin Gebee Bema RSME Onre eRe oe re Cie eee 156 
156. Oogonium 15-20 * 15-23y..................210. Oe. virceburgense* 
156) “Oogonitim 27-28 X 26-28n.... 2... det suse we: 222. Oe. consociatum* 
IDNOEONOES ohne oe W616 a RO GORI OO GRO IISae DENCE ics iP a tare 158 
LOTUS ISITTIS. 2 ce Sci 6 wo BO Bod OS ORD IESG ERG an vo) IER at tea 165 
Both dioecious and monoecious.................. 91. O68. trioicum 
Reproductive structures imperfectly known................6.0+ see eeeee 183 
158. Diameter of oogonium 13-l6yu.............. 91. Oe. trioicum 
15sseeOtameter Of oosoniunml 16-430). 26.2 see ce eee ee reese Jace tad, 
158. Diameter of oogonium 43-50u.............. 92. Oc. welwitschi 
158.. Diameter of oogonium 52-60yu.............. 93. Oe. 1owense 
158. Diameter of oogonium about 82u........... 94, Oc. dioicum 
eer mI OOSE LO SUDZIODOSE.......5. 005-25. eb eee eee tee ee enon es 160 
Wespore ellipsoid, ovoid, or Oblong... 1.0.0... hice eee ee eee see 162 
*See footnote, page 53. 
