iu/|8 — 



3oi. Œdogoniuni iiiconspicmim IIiu\. 



Cross, ci'll. \c-rl. .")-.!. 'i a ; ;illit. 

 /(-.")- |il() iniiiiir : 



('l'iiss. <)Os;oii. iH-iSy. ; :illil. i.'')-!fii tj. ; 

 |) 0()s|n)r. ][t-\-'j.: i) lo.fi-i'.^ ij. 

 iToxl-liij. .". H and C). 



Aiilii H|iiia : II" () (aliiiiiilanl i. 



The lilaiiit'iils \\(M(' iiKislh sIkuI aiid 

 eacli willi nnc iHi^jniiiuiii. Tlit'v \\eii> 

 lllicldy atlachrd lo a lai^c S|)('cics nï 

 Spiroi/i//-ii . 



3i>i. Œdogoniuin fabulosum IIikn 

 vai'. columbianum var. nov. 



^'a^. CL'lliilis x-pfjolalivis leiuiioribiis, 

 diaiia'iro |ileiiim(iiie ô-d-plo loni^ioriljns ; 

 "i):;())iiis paiillo lon^'iorilmset limiidiorihiis. 



Crass. coll. veg-et. ôO-yi) a : allil. 

 'l ' Q-('>' o-plo major' ; 



Crass. oog'on. 98-100 p. ; allil. iG3- 



17A y-; 



Crass. oospor. 8i-8/|[x; aUit, 12/1-128 y. 

 (Tc.xl-fig-. 3 0). 



Cnndinamarca : Laf^uiia de Ul>a(|iii\ 

 Easiern Andes; altit. 206C) in. N^i 23 (coin- 

 nioii aaion^sl Nitella sp.). 



Originally descrihed from the Malto 



Grosiso province of Brazil (cfr. Hirn in 



Aria Soc. Sri. Fennicfe, XXVII, ii" i, 



igoo, p. I l4, t. II, fit;'. 59), Œ . fabltloxilin Fit:. 3. — A, Œdogoniuni lapeinosporuiu Wiltr. 



,11 . £• 11 I • f .1 B and C, Œ. iiiconsnictiiini Hirn. 



is tne lai'y^est ol ail known species or llic ,^ ,,, . , , „■ , ,• ,„ can 



^ r D, Œ. fabutosum llirn var coiumbiamint var. nov. AilxoUO. 



genus. Tlic Columbian spécimens belony 



lo a distinct variely characterized by llie more siender filaments, witli jiropoi'lionalely 



lont>'er celis, and the more liimid oogonia witli more eilipsuid oospores. 



Aimilier varicty of liiis species — var. ma.rimam (\V. and (i. S. West) Ilmiv — is 

 kiiow 11 l'i'om Koii C-liang in liic Gulf of Siam. 



3ij3. Œdogonium taphrosporum INoiiDsr. and llinx in liiiii. /. r., 1900, p. i33, I. i(i, 



r. 9.. 



Crass cell. veijet. i9-:ri u.; allil. 8-12-plo inajur ; 

 « ooijon. (J8-70 p.; » 78-92 fj. ; 



» oo.spor. 58-li8 p. ; » r)8-68 ^.. 



