62S Pvrenomycetae, Dothideace», DidymosportB. Dothidea. 



lenticalaribns v. pulvinatiilis, vertice applanatis v. pluries umbili- ■ 

 catis. orbicularibus v. irregulariter angulosis. atro-nitidis, '/^--i mmj 

 diam. ; loculis disticliis, epiphyllis et liypopliyllis, sphaeroideis, mi- 

 nutissimis; ascis cyliudraceis, sursum rotundatis. scipitatis, 85-96« 

 8-1 IV,; sporidiis octonis, ovoideo-oblongatis, primo nebulosim cou-' 

 tinui.^, demum lenissime medio incurvatis, verisimillime l-septatis,- 

 12-16 ^^ 3'/,-5; paraphysibus ascos superantibus, ramosis. 



Hcib. in foliis vivis Aroideae terrestris, pr. CoTicepcion in Pa- 

 raguay (Malme). 



PL0WRJ6HTIA Sacc. — Sylj. II p. 636, IX p. 1041, XI pag. 376, 

 XIV p. 680. 



1. Plowrightla? andicola Speg Fg. Arg. novi v. crit., p 206 189fi). 

 — Stromatibus 6!»pius epiphyllis, erumpenti-superficialibus, ditfor- 

 mibus, 1-2 ram. diam., '/, mm. crassis, dense aggregatis siepeqiie^ 

 conflnentibus atque totum folium obtegentibus, crasse pulvinatis,, 

 aterrimis, subcarbonaceis, levibus, opacis, loculis paucis v. e rautua,i 

 pressione difformibus, 200-250 a. diam., ssepe confluentibus ; ascis* 

 cylindraceis, antice obtuse rotundatis, postice brevissime crassiu-- 

 sculeque attenuato-stipitatis, 90-110 ^ 18-20, aparaphy.satis. octo-- 

 sporie; sporidiis ex elliptico obovatis, 20-22-9-10, medio septatis: 

 et modice constrictuiis, loculis sequilongis supero obtusiore sub- 

 crassioreque, diu hyahnis, dein per aetatem pallidissime umbrinis- 

 //od. ad folia viva Chuquiragae ruscifoliute, in Pampa 

 do Boques pr. Mendoza Argeutinae. 



DOTHIOEA Fr. — Syll. II p. 639, IX p. 1043, XI p. 377, XIV 



pag. 680. 

 1. Oothidea conspicua Griffiths, Bull. Torr. Bot. CI. 1899, p. 442, 

 tab. 366, f. 19-23. — Stromatibus immersis, erumpentibus, frag- 

 mentis laceratis epidermidis ruptae cinctis, circularibus vel ovatis, 

 raro confluentibus, planis, asperis, nigris, '/j-Yj mm. diam. ; loculis 

 ovatis vel conicis et e mutua pressione plus minusve angulatis, 

 100 »# 50-60 ; ascis cylindraceo-clavatis, aparaphysatis, 65-85 ^ 12- 

 14, breviter stipitatis; sporidiis subdistichis, inaequaliter 1-septatis, 

 constrictis, primo flavis, demum obscuris et opacis, 13-18 v 5-6, 



Hdh. in foliis Yuccse angustifol iae pr. Billings. Montana 

 Araericne borealis. 



I 



