Hyphom/cetas, DeinatiacBS». Phragmosporas, Brachysporium. 1087 



conidiis oblongis rarius eubola.vatis, oJivaoeis, rectis, crasse tunica- 

 ti«, 4-7-sepfeafcis, 50-100 ^ 12-14. 



Hoh. in culmis putrescenfcibus Secalis Cercalis, Aubiirn, 

 Alabama Ainer. bor. 



13. Helmlnthosporium Leersil Atk. Bull. Oomell Univ. iri. n. 1,4335 

 1897, p. 47. — Maculis irregulariter obiongia arapbigenis, initio 

 abro-brunneis, clein Sordide albidis ac linea airo-brunnea margina- 

 tis; hyphis amphigenis brunneis, irregulariter noduiosis v, fiexao- 



sis, 200-350^4-6; eonidiis leniter curvulis, 5-9-.«<eptatis, ellipticig, 

 snbfuligineis. 



Ho^. in foliis LeersiTB virginicse, Anburn. AJabama Amer. 

 bor. — H. turcico afGne. 



14. Hefminthosporium flagelloidaum Atk Bull. CorneJl [Tniv. III, 4336 

 n. 1, 1897, p. 47. — IVIaoulis indefinitis. nigris; hyphis araphige- 



nis paucis, in cgespitulos aggregatis, firmis, fuligineo-bmnneis, tle- 

 xuosis nodulosisque^ 4.-8-septatis, 60-r20«7-9: conidii"; fuUgineis, 

 ellipticis, supra in flagelimn longum hyaiinum gracile «iongatis, 

 7-9-septa.tis, 70--1&0 v. longii?. 



ffah. in foliis Panict, Auburn, Alabama Amer. bor. 



15. Helminttiosporium geniculatum Tra«y et Earle, Buli. Torr Bot. 4337 

 Cl. 1896, p. 207 — SpicuJas incolens easque nigrificans; hyphis 

 tenuibus effusis, flexuosis noduiosiiFiqtie, septia.tis, atro-fuscis, 1(X>- 

 125 «4-5; conidiis obtuse fusoideis, plerumque 4 - septatis , fu- 

 scis, loculo centrali obscuriore, dilatato ibique plerumque abrupte 

 geaieulatis, locuiis teTminahbusdilutioribu.s subhyalinis, 35-40 ^ 8-10. 



Hab. iu spicis Era,gro8tidis rachitrichae, Mississippi 

 Amer. bor. 



BRACHYSPORIUM Saoc. — Syil. IV, p. 42B, X, p. 617, XI, p. 624. 



1. Brachysporium Pisi Oud. Konink. Akad. Wetenigch. Amsterdam. ^^ 

 1897., p. 87, o. fig. — Aoervulis effnsis, benuibus, nigresoentibus, 

 amphigenis, mycelio in pa.renohymate foJiorum abscondito, repente, 

 fuscoscente, vage ramoso, ■flexuo.so, p. m. gibboao; hyphis fcrtili- 

 bus trans ipsarn epidermidem agsurgentibus, fuiiginosis, solitariis 



vel basi spurie otespitosis. septatis, levibus vel prope septa p. m, 

 torulosis, 100-250 ^ 5-6. apice oonidio singulo onustis; conidiis elli- 

 pticis, utrinque lato rotundatis, adultis 3-septatis, ad septa minime 

 constrictis, dilute fuligiueis, minutissime echinulatis, 28-30 « 1 1 -12. 

 Hab. in foliis vivis Pisi sativi in HoIIandia. 



2. Brachysporium» peduncuValum Elh et Ev. Proc. Aoad. Phdad. 1895, 4339 



