and several small guttules per ceil, may be slightly 

 constricted at septum. 

 In driftwood. 



Phycomelaina laminariae (Rost.) Kohlm. 



Phytopathol. Z. 63:350-356. 1968. 



Ascospores 2-celled, 17.5-27.5 X 5.5-8 n, hyaline, fusi- 

 form-ellipsoidal or ellipsoidal-cylindrical, straight or 

 slightly curved, usually 1 large guttule per cell, con- 

 stricted at septum; provided at each end with a cap- 

 like or globose, elongate or attenuate, gelatinous, more 

 or less polymorphic appendage to 30 n long. 



Ascocarp a stromatic structure with unitunicate asci. 



In Laminaria. 



Pleospora pelagica Johnson 



Mycologia 48:504. 1956. 



Ascospores muriform, 7-9 transverse septa, 0-8 longi- 

 tudinal septa, 35-52 X 9-15 /j, yellow-brown, fusiform, 

 ellipsoidal or clavate-ellipsoidal, usually inequilateral, 

 ends broadly rounded, constricted at midseptum as 

 well as at most others. 



Ascocarp a pseudothecium with bitunicate asci. 



In Spartina, driftwood, and other cellulosic material. 



Pleospora peluetiae Sutherland 



New Phytol. 14:41. 1915. 



Ascospores muriform, 3-7 (predominantly 7) transverse 

 septations, several longitudinal ones, 20-35 X 7-12 /u, 

 yellow-brown, ellipsoidal or elongate, ends rounded, 

 constricted at septa. 



In various floating culms, reeds, and algae. Uncommon. 



Sphaerulina oraemaris Linder 



Farlowia 1:413. 1944. 



Ascospores 4-celled, 26-36 X 5-7 ;/, hyaline, fusoid, ends 

 broadly rounded, may be slightly constricted at septa. 



In Spartina, various culms, driftwood, and other cellu- 

 losic material. 



Sphaerulina pedicellata Johnson 



Mycologia 48:846. 1956. 



Ascospores 4- to 6-celled, 36-54 X 6-15 /u, hyaline, elon- 

 gate-ovoid to elongate-pyriform, one end cell attenuate 

 and curved; may be slightly constricted at septa, 

 usually densely guttulate. 



In Spartina. various culms, driftwood, and other cellu- 

 losic material. 



Torpedospora radiata Meyers 



Mycologia 49:496. 1957. 



Ascospores 4- or 5-celled, 30-52 X 4-9^, hyaline, oblong 

 or elongate-clavate or cylindrical, usually 2 guttules 

 per cell, slightly constricted at septa; provided at one 

 end with 3 or 4 slender, acuminate, semirigid, 

 radiating appendages to 40 p long. 



In driftwood. 



Trailia ascophylli Sutherland 

 Trans. Br. Mycol. Soc. 5:149-151. 



1915. 



Ascospores long, filamentous and tapering, 90-100 X 4 

 at the widest diameter, to 1^ at the narrowest por- 

 tion, 2- to 4-celled; septations restricted to broad area 

 of spore, narrow area nonseptate, long and attenuate, 

 occasionally bent or coiled. 



In Ascophyllum and Fucus. 



Phylum EUMYCOPHYTA 



Class DEUTEROMYCETES 



Alternaria maritima Sutherland 



New Phytol. 15:46. 1916. 



Conidia muriform, pyriform; apical cell often attenuate, 



14-80 X 8-18 p, dark brown except for hyaline or pale, 



attenuate apical cell, constricted at septa, catenulate 



or simple, smooth or verrucose 

 Conidiophores simple, erect, short. 

 In Laminaria, Juncus, Spartirui, driftwood, and other 



cellulosic material. 



Arthrobotrys superba Corda 



Pracht-Flora Euro. Schimmel. p. 43. 1839. 



Conidia 2-celled, broadly ellipsoidal, ovoid, or slightly 

 pyriform, upper cell usually larger than lower one, 16- 

 23 X 7-9.5 /j; hyaline, slightly constricted at septum. 



Conidiophores scattered, bearing 4-10 conidia on slightly 

 expanded tips or short, peglike teeth or denticles. 



In driftwood. 



Asteromyces cruciatus F. and Mme. Moreau ex Henne- 

 bert 



Can. J. Bot. 40:1213. 1962. 



Conidia single-celled, rarely 2-celled, ellipsoidal, ovoid or 

 broadly pyriform, 9-20 X 4-9 ;j fuscous. 



Conidiophores basidialike, hyphae radiate from a bul- 

 bous base, bearing 1-13 conidia. 



Spores collected in foam. 



Botryophialophora marina Linder 



Farlowia 1:404. 1944. 



Conidia single-celled, globose or subglobose, 2-3/:/ in dia- 

 meter, hyaline or light, in dense, cottonlike clusters. 



Conidiophores (phialides) arising from a subglobose, 

 basal cell, 3-20 in number, 3.5-8.5 X 1.5-2.5 ^.simple 

 or vase-shaped. 



In driftwood and other cellulosic material. 



Camarosporium metableticum Trail 



Scott. Nat. 8:267. 1886. 



Conidia muriform, broadly ellipsoidal, ends tapering or 

 round, 27-40 X 11-16 /i, fuscous or yellow-brown, 3-9 

 transverse septa, constricted at septa, apical cells 

 lighter; provided at each end with a gelatinous, cap- 

 like or subglobose appendage. 



(\)nidioph()res cylindrical, simple, 5-10 p long, bearing 

 single conidia. 



Pycnidia 1,50-216 X 210-330 ti, subglobose, solitary, black, 

 innate. 



In Ammophila. 



44 



