950 Deuteromycctse, SphfBrioidacese, Bothrodiscus. 



subellipsoidea3 continuoe liyalinse. — Est Husterostomelke status pyc- 

 nidicus. 

 1. Methysterostomella argentinensis Speg., 1. c p. 396. — Maculis & 

 nullis; stromatibus s^epius epiphyllis, tenuissimis, orbicularibus, 

 1-3 mm. diam., arcte matrici adnatis, centro subpapillulosis mi- 

 nute denseque rimulosis, ambitu levibus integris, margine vix re- 

 pandulis, subopace parenchymaticis ; sporulis ovatis v. ellipsoideis 

 stepius grosse biguttulatis, hyalinis, 5-7 * 4-5, substantia mucosa 

 immersis. 



Hah. ad folia viva Lauracese cujusdam in silvis prope Puerto 

 Leon Misiones Argentina, Amer. austr. 



CYCLODOMUS v. Hohn. Fragm. z. Mykol. IX (1909) p. 67 (Etym. 

 cyclos circulus et doma diom.\is seu loculus). — Stromata coriaceo-car- 

 bonacea, parva, rotundata, epidermide innata, disco tantum promi- 

 nentia, unilocularia, loculo anuliformi circum columellam centra- 

 lem disposito, disco erumpenti aperta; sporophora brevia mono- 

 spora; sporulae cylindraceie, uniloculares, hyalinae; contextu pa- 

 renchymatico. 



1. Cyclodomus Umbellulariae v. Hohn. I. c. p. 68 — Stromatibus <3( 

 priBcipue epiphyllis, sine maculis, dense gregariis, nigris, nitidulis 

 siccis rugulosis, epidermide innatis, plerumque subhemisphiDrico- 

 discoideis, infra applanatis, 100-250 [x. diam., 90-100 •j.. cr., disco 

 60 [1. circ. lato; loculo 65-70 « 48, columella 50-80 ji. cr. sporulis 

 14-24 « 2-3. 



Hdb. in foliis prsecipue emortuis Umbelluiaritie califor- 

 nic9B (Lauracese) prope Clairmont Oalifornia (C. P. Baker). 



BOTHRODISCUS Shear, Bull. Torr. Bot. Cl. XXXIV (1907) p. 312. 

 (Etym. hothros cavitas et discus). — Stroma nigrum, discoideum, 

 coriaceum v. subcorneum, substipitatum, primo membrana coria- 

 cea tectum, pluriloculare; sporuUe eIongat;e, hyalinaB v. pallide 

 citrinie, continujB. — Genus Fuchelice affine sedstromate tunicato 

 differt. 



1. Bothrodiscus pinlcola Shear I. c. p. 313. — Stromate obscuro, ob- G( 

 conico, substipitato, disco nigro, areolato, 0,5-1 mm. diam., pri- 

 mum membrana (peridio?) coriacea tenui tecto, dein dilacerato; 

 pycnidiis regnlaribus, plurimis, 100*75; sporulis hyalinis v. in 

 massa pallide viridi-flavidis, clavato-cylindraceis, plus v. minus 

 curvulis, multiguttulatis, continuis, 32-42 ^ 5-6. 



Hah. in ramis Pini virginianas, Takoma Park Amer. bor. 



