26 ARKIV FÖR BOTANIK. BAND O. N:0 4. 



renda in ramis siccis Crotonis ; N:o 395. - - Peritheciis mi- 

 noribus, ostiolis cylindraceis, acutiusculis peridermium per- 

 forantibus, partibus internis minoribus a typo differt. 



D. orthoceras (Fr.) Nits. var. decidua Starb, nov. var. 



Stromata obsoleta, linea nigra significata, elliptice vel 

 oblongatim vel nonnumquam longe et angustissime lineariter 

 limitata, 1-nonnulla perithecia includentia. Perithecia cortice 

 immersa, basi ligno insculpta, ostiolo cylindrico, interdum 

 longiuscule exserto, ssepissiine abruptim deciduo erumpentia, 

 c. 200 |J. diam., textil ra membranacea. Asci late fusiformes 

 vel clavati, utrinque acutiusculi, 32 — 38x6 — 7,5 jj.. Sporidia 

 octona, disticha vel conglobata vel inferiora monosticha, fu- 

 soidea, quadri-guttulata, deinde medio septata, 8 — 10x2,5 — 4 

 a. Paraphyses nullse. Hab.: Bolivia, Gran Chaco, Tata- 



renda in caulibus aridis liani, Compositarum spec, 19 ä /i02; 

 N:o 382. — A typo differt matrice non nigrificata, peritheciis 

 basi tantum ligno infossis sporidiis minoribus. 



Diatrypella. 



D. macrotheca Starb, nov. sp. 



Stromata basi ligno affixa, vix in eo penetrantia, per 

 peridermium erumpentia, gregaria, tubercularia, ellipsoidea 

 vel fere sphaerioidea, 1 l-> — 2 mm. diam, sa?pe et longitudinaliter 

 et transversim confluentia, usque ad 5 mm. longa, atrata vel 

 potius obscure rufo-furfuracea, intus demum pulveracea, 

 Candida. Perithecia pauca, mono-polysticha, ovoideo-spha?ri- 

 oidea. mutua depressione difformia, ostiolis latis, primo 

 quadrangulatim limitatis et quadrisulcatis. deinde orbiculari- 

 bus, umbilicatis, margine lenissime radiatim sulcatulo, c. 200 

 ;j. diam. Asci polyspori, longissime pedicellati, parte sporifcra 

 clavata, sursum obtuse rotundati, 130 — 190x11,5 — 17 [J-; p. 

 sp. c. 75 \i. long. Sporidia conglobata, olivacea, solitaria 

 hyalina, allantoidea, 5 — 7 x 1,5 — 2 ;j.. Paraphyses nulla?. — 

 Hdb.: Argentina, Prov. Jujuy, Quinta, pr. Laguna de la Brea 

 in ramis aridis; N:o 70. - - Species ascis longissimis, ostiolis 

 peritheciorum distincta videtur. 



