Discomycetae, Pczizaccre, Ilyalosporfr, Acetabula. 13 



ACETABULA (Fr.) Fuck. — Syll. VIII p. 59, XYI p. 701. 



1. Acetabula macropus (Clem.) Sacc. et D. Saec. PJilehosct/pJms 32G0 

 macrojms Clomcnts iu Bull. of tlie Torr. bot. Cl. 1903, pag. 93. 



— Ascomatibus stipitatis, solitariis, ceracco-earnosis, pileatis, sed 

 ad centrum excavatis, hinc umbilicatis, hymenio umbrino, subtus 

 minute scabris, griseo-albidis 3-4 cm. lat. 1 cm. alt. ; excipulo 

 pseudoparonchymatico, pallide umbrino, ex cellulis oblongo-poh^go- 

 natis, fere seriatis 20-30 •>.. composito, 100 [j.. cr., ad marginem 

 in pilos breves torulosos septatos 25-BO |j.. abeunto, margine ca- 

 staneo crenulato; hypothecio crasso, hypheo-parenchyniatico, hya- 

 lino, 800 a. cr. ; stipite solido, longo, ceraceo-cartilagineo, com- 

 presso, alte 3-4-sulcato, supra valde incrassato, scabro, albido- 

 cremeo 4 cm. longo, infra 7 mm. lat., insuper 2 cm. lat., sulcis 

 2-3 mm. alt. et cr. ; excipulo ut in ascomate, sed cellulis oblon- 

 gioribus, exacte seriatis 150-175 [x. cr., acie pilis sparsis fuscata; 

 interius dense pseudoparenchymatico; ascis octosporis elongato- 

 cylindraceis stipitatis, inoperculatis 300 » 20 : paraphysibus clavu- 

 latis, simpUcibus, septatis, clava umbrina 9 (x. lat. ; sporidiis irre- 

 gulariter monostichis, late ellipticis, levibus, hyalinis, gutta magna 

 12-13 [L. prffiditis, 20-22^12-14. 



Hab. ad terram udam in antro saxoso, E-uxon Brook, Minnehaha, 

 Amer. bor. 



2. Acetabula olivacea (Clem.) Sacc. et D. Sacc. Phlehosci/phtis olwa- 3261 

 ceus Clemonts in Bull. of the Torr. Bot. Cl. 1903, pag. 93. — 

 Ascomatibus stipitatis, ciisspitosis, irregulariter cupuhformibus 

 deinde laceratis, latis, hymenio viridi-ohvaceo, valde corrugato- 

 sulcato vel papillato, extus brunneo-ohvaceis, furfuraceo-tubercu- 

 latis, margine fusciore 4-5 cm. lat., 2-2,5 cm. alt. ; stipite lato, 

 simihter furfuraceo coloratoque, 1-2-sulcato, infra mycoHo obsito, 

 coaHto 2-2,5 cm. alt., 1,5-2 cm. lat. ; ascis octosporis, anguste 

 cylindraceis, breviter stipitatis 350^14; paraphysibus linearibus, 

 septatis, hyalinis 3-4 [j.. lat. ; sporidiis monostichis ellipticis, aspe- 

 ratis, hyalinis, 19^8. 



Ilah. ad terram udam, .Tack Brook, Minnehaha, Amer. bor. 



3. Acetabula radiata ;Clem.) Sacc. et D. Sacc. Phlehoscyphus radica- 3262 

 tus Clements in BuU. of the Torr. Bot. Cl. 1903, p. 94. - Asco- 

 matibus stipitato-radicatis, solitariis, ceraceo-carnosis, fere carti- 

 lagineis, urceolatis vel cupulatis, hymenio ochroleuco, ad basim 

 3-4 sulcato-corrugato. oxtus concoloribus, furfuraceo-tuberculatis, 



1-2 cm. alt.j 1-2 cm. lat. ; excipulo indistincte parenchymatico ; 



