_ 11 
Helminthosporium Phytolaccae. Thuem. noy. spec. 
H. caespitibus amphigenis, laxis, late effusis, tenuissimis, 
velutino-aterrimis, plus minusve orbiculatis; hyphis 
longis, gracillimis, curvatis, simplieibus, longe articu- 
\ latis, 6 mm. crass., sursum sensim dilatatis, fuscis; 
sporis late clavulatis, vertice rotundato-dilatatis, basi 
angustatis, triseptatis, dilute cinereis, 40 mm. long,., 
8—12 mm. crass. 
In Phytolaccae decandrae Lin. foliis emortuis pro- 
stratis. Choupal pr. Coimbra. 12.78. 
Macrosporium Gynerii. Thuem, nov. spec. ; 
M. caespitibus amphigenis, valde tenuissimis, late effusis, 
laxis, confluentibus, sordide ceinerascentibus; hyphis 
longissimis, subnodulosis, vix septatis, rectis, continuis, 
gracillimis, fuseis; sporis late clavatis, vertice dilatato- 
rotundatis, basi in pedicello brevi angustatis, sex — 
octocellularibus, ad septa minime constrictis, fuseis, 
30 mm. long., 15 mm. crass. 
Ad vaginas foliaque emortua Gynerii argentei Nees 
ab Es. Cerca de St. Bento pr. Coimbra. 1.79. 
Macrosporium phomoides. Thuem. noy. spec. 
M. caespitibus primo phomaeformibus vel punctiformibus, 
subfirmis subepidermalibusve, demum subeffusis, laxis, 
minutis, pulverosis, opaco nigro-griseis; hyphis longis, 
flexuosis, paueiramosis, fuligineis, erassis, multi- et bre- 
viarticulatis, articulis subinflatulis; sporis longe clavatis, 
vertice rotundatis, basi angustatis, tri—quadri—trans- 
versim—, uni—longitudinaliter septatis, ad septa sub- 
constrietis, subpelluceidis, fuligineis, pedicellatis, 23 mm. 
long., 11—12 mm, crass. 
In eaulibus subputridis Datiseae cannabinae Lin. 
Coimbra in horto botanico. 3.79, 
Macrosporium Ensetis. Thuem. noy. spec. 
M. caespitibus epiphyllis, tenuissimis, effusis, laxis, atris, 
confluentibus, interruptis; hyphis brevibus, flexuoso tor- 
tuosis et geniculatis, subramosis, longiarticulatis, fuli- 
gineo-fuscis, subdiaphanis; sporis clavatis, vertice dila- 
tato-rotundatis, basi valde angustatis, octo—duodeeim- 
cellularibus, ad septa transversalia constricta, fuligineo- 
fuscidulis, 32—40 mm. long., 18—24 mm. crass. 
Ad folia emortua Musae Ensetis Bruce. Coimbra in 
 horto botanico. 1.79. 
Cercospora Scorpiuri. Thuem. nov, spec. 
C. maculas plus minusve orbieulatas, epiphyllas, griseo- 
roseas, fusco anguste einctas, subtus indeterminatas 
pallidas formans; acervulis dense gregariis, minu- 
