Hyphomyceteae, Dematieae, Amerosporse, Stachybotrys. 577 



Subsect. 2. Macronemeae Sacc. 

 Trib. 3. Pftritonieie Sacc. 

 STACHYBOTRYS Corda — Syll. IV, p. 269. 



1. Stachybotrys elongata Peck 43 Rep. p. 29, t. III, fig. 10-13. — 7372 

 Hyphis elongatis, intricato-ramosis, parce septatis, rainute rugosis, 

 csespitulos brunneos, 2-6 mm. diara. efforraantibus; hyphis fertili- 



bus sterigraatibus plus rainus elongatis, basi saepius iocrassatis v. 

 bulbosis coronatis; conidiis globosis, coloratis, 6-7,5 a. diara. 

 Hab. in ramis emortuis Aceris rubri, Manor Araer. bor. 



2. Stachybotrys atro-grisea E. et E. Journ. Myc. 1888, p. 106. — 7373 

 Atro-grisea; hyphis sterilibus repentibus, ramosis, septatis, flavi- 



dis V. fumoso-hyalirjis, 3 u.. cr., ramis fertilibus erectis, subalter- 

 nis, apice basidiis obovato-oblongis, 8-10=: 4-5, capitato-verticilla- 

 tis coronatis; conidiis oblongo-ellipsoideis, 2-nucleatis, levibus, atro- 

 brunneis, 7-8 s 3,5-4,5. 



Hab. in caulibus vetustis Lycopersici Louisiana Amer. bor. 

 (Langlois). — Basidia infra flavido-hyalina, supra atra. 



3. Stachybotrys verrucosa Cooke et Mass. Grev. XVI, p. 102. — 7374 

 Hyphis sparsis vel in caespitulos minutos, atro-olivaceos collectis, 

 erectis, geniculatis, quoque angulo breve raraubsis, laxe spiralibus, 

 septatis, rugulosis, pallidis e raycelio hyalino, glabro, repente, ra- 

 moso assurgentibus, raraorura apicibus in verticillum 4-6 basidio- 

 rum clavatorum desinentibus ; conidiis sphsericis, verrucosis, e ni- 

 gro purpurascentibus, 10-14 a. diara. 



Hab. charta bibula uda (herbariorura), Kew London Brit. — 

 Affinis .S". scabrce. 



4. Stachybotrys asperula Massee Grev. XVI, p. 26. — Effusa, atra; 7375 

 hyphis gregariis, repentibus, furcato-raraosis, assurgentibus, gra- 

 iiulato-asperulis, sterigraatibus clavaiis, capitato-coronatis; conidiis 

 globosis, asperulis, 7-10 a. diara., atro-fuscis, opacis. 



Hab. in charta uda ex Ceylon, socio Choetomio, Kew Loudou 

 Brit. — CI. Oudemans in Contr. Myc. Pays-bas XI, p. 48, recte 

 proposuit divisionem generis Stachyboiri/os ut sequitur: I. Stachy- 

 botrys em. Mycelium repens, ramosura ; hyphse fertiles apice ba- 

 .sidiis heterogeneis ia verticillura partim connatis coronata? {S. aira 

 Corda, iS. alternans Bou., S. lobulaia Berk.). II. Stcrigmatoboi)'ys 

 Oudem, I. c. IJyphae erectae, simplices, apice basidiis heterogeneis 

 liberis coronatae [S. elaia (Sacc.) Oud., S. papyrogena (Sacc.) 

 Oud.). 



37 



