— M)'27 — 



IrnilIssiiiKi cxcciil loi- ihcir sli^^lill\ l;icmIci <li,-mH-li-r iumI iIm- |.ri'srii<-c nf onlv i»iir yyri'. 

 iKiid in llic cIiIoioiiImsI , I Ijr iilutiiriils wcrc (Miiiiil in (ii;iiMcl<T lo iIkim- of ni.uiy forrns 

 ol" U. zonaht, i)nl in dllnr icspccls u(M'(' f|ui(c nrilikc lliiil spccics. 

 i.'ki. Ui'oncnia confcrvicoluni l,M;i;un. - A rjliiH|iii;i : n" 0. 



Tarn ily Microsporacese . 



I ,'> I . Microspora aimtna ikiii/.i Uaiiinii. A Mli()i|iii:i : n'" i ami ■/. (iiinrlina- 



niai'ca • n" ■.>.f\. 



\'.\:>.. Microspora pacliytlcrnia ( W ii.i.k i I.ai.imci, - I inniiinainaK'a : n" iH 



i.'i.''. Mici"ospora tuniidiila IIa/i.n. I uiidiniiniarca : n" i'|. 



Tamihj Microthamniacex. 



[,'5'|. Microthaiimioii Kutzinj^ianuin 'S.v.r,. — ( liiniiinaniarca : n" tjl. 



Tamily Aphanochaefacese. 



I, '?;"). Aphanocluete repens A. i?n. — llnndi laica : ii° i/|. 



'Family Coteochaetacede. 



i3(). Coleochaete scutata lîmcn. — Cnnilinaniari-a : n" ■.'..) ; ainiinlaiil on valions aqiialir 

 nuicrophyles. Maiiy of llie spécimens wilii sperniocarps. 



i.'iy. Coleochaete Nitellarum .Iost. — Cundiiiamarca : ii" 23; verv alminlanl un 

 Nitrlla s[i., and niosliv willi spei'niocarps. 



i.'W. Coleochaete pulvinata A. Hr. — Ctindinamarca ; n" 23; abnndan( on varions 

 aqnalio inacro|iiiyles and also aronnd tlie lips of llic leaf-segnienls of Nilella sp. Many 

 spécimens \\\\\\ s|iermocarps. 



Division II. AKONTiE 

 Tamily Zygnemacex. 



i3i). Mougeotia sp. (slerile). Lai. cell. 2(1-28 u. ; diamelici .')-(! plo lon^ioribus. — 

 ( aindinaniarca : n° 1 (i. 



i/(o. Mougeotia recurva (IIass."! De Tont. — ■ Aniioqnia : n" i. Lai. cell. veg'el. 

 ii5-i/| a; diam. spor. 33 i'.. 



I '1 1 Mougeotia (Gonatonema) Mayori sp. nov. 



.M. ^(i.tcellnlis ve^elalivis valde elon^atis, diamciro circi(er r8-2i-pIo longioribus, 

 chromalophora cum pyrenoidihus i r-i/; in série subirreçulare : aplanosporis oblique 



