Pyrenoniyct*t8e, Spha^riacpfe, PlKrodlcJynia', Valsoria. riOO 



peranfcibus; sporicliLs distichis, sul) inwlio l-septatis, parum cou- 

 stricti<i, ovato-obloi'gis v oblongis, rectis, utrinque rotfundatis, oli- 

 vacf30-brunneis, 11-14 * 27^-8'/^. 



ITah. in ibliis Davllla; rugosre, S. Francisco Brasilise (Ulk). 



MELANCONIELLA 8acc. — Syll. I p. 740, IX p. 753, XIV p. 560. 



1. Melanconiella obruta (Ell. ot Ev.'» Sacc. efc Syd. Melanconis ob i^ 

 rufa Ell. et Ev. Bull. Torr. Bot. Cl. 1898, p. 505 — Stromate 

 lortice interiori immerso, depresso-conico, ca. 1 mm. diam,, intu.<? 

 luteolo-albo ; peritlieciis 12-15 circinatis in medio .stromatis, ovato- 

 globosis, ca. 250 ;ji. diam, in collum tenue stroma conidiopliorum su- 

 perpositnm perforans ostiolo ob massam conidiorum vix conspicuo 

 coutractis; ascis cylindricis, attenuato-stipitatis, paraphysatis ?, 200 

 230 >* 16-18; sporidiis monostichis, oblongo-eilipticis, hyalinis, de- 

 muni olivaceo-brunneis, 1-septatis, obtusis, constrictis, 19-22 » 

 10-12. 



Ilab. in cortice emortuo Saiicis, St. Croix Falls Wisconsin 

 Amer. bor. (Baker). — Status conidiophorus Melanconii species: 

 stromate convexo tenui, 2-3 mm. diam., superficie corticis inte- 

 rioris leniter immerso erumpente; conidiis ovatis, subopacis, 15- 

 22 « 10-12 



VALSARIA Ces. et De Not. — Syll. I p. 741, IX p. 756, XI p. 318, 

 XIV p. 560. 



1. Valsaria pseudDhypoxylon Speg. Fg. Arg. novi v. crit., pag. 276 1839 

 (1899). — Stromatibus sparsis v. hinc inde plus minusve grega- 

 riis, sappe subconfluentibus ac subseriatis, omnino superficialibus, 

 subhemisphrericis, irrogularibus, '/, mm. iongis, '/,-1 mm. crassis, 

 gibbuloeis, asperulis, quandoque 1- quandoque 3-10-peritheciigeris, 

 intus extnsqu'» aterrimis, carbonac^is, giabris, opacis; perifcheciis o 

 globoeo hamisphffiricis, 250-300 fx. diam., quandoque solitariis quan- 

 doque 3-10 dense oonstipatis, stromate immei-sis v. vix gibbuloso- 

 prominnlis. ostiolo non v. vix papillulato coronatis, atris, carbo- 

 naceis, contextu indistincto; ascis cylindraoois, antice obtusissime 

 rotundatis, postice breviter cuneato-^tipitatis, p. sp. 65*12-14, 

 stipite 10-20 ix. longo, octosporis. parce paraphysatis; sporidiis 

 oblique monostichis, ellipsoideis v. sabcyliudraceo-ellipsoideis, 14- 

 18 %-- 6-7, utrinque plus minusve obtuse rotundatis, 1-septatis, vix 

 constrictis, opace fuligineis, loculie sub^equalibus. 



HaJ). ad palos decorticatos putrescentes Acaciae cavenirB, 

 pr. La Plata Argeutince. — Species distinctjseima iuter omnos. 



