482 Bulletin 315 



corn taken from soil in spring of 191 1. Plant pathology herbarium 



No. S.9II- 



Differs from Lindau's description only in slightly smaller heads and 



shorter (generally) sterigmata. 

 Aspergillus globosus n. sp. 



Conidiophores singly or aggregated in tufts; tufts olive- 

 green, attaining a maximum height of 0.7 mm., and 0.4 

 mm. in diameter; conidiophores erect, septate, unbranched, 

 250-350^ high by 4. 5-5. 5 ^ thick, terminating in a 

 subglobose to broad obovate swelling; swelling closely be- 

 set with branched sterigmata, 12-20 by 10-15/1; prim^ary 

 sterigmata subglobose to broadly obovate, 5-6 by 4.5-5/x, 

 very easily separating from swelling when placed in mounts ; 

 secondary sterigmata 5-8/x long by 1.4-1.6^ broad; conidial 

 head long obovate to cylindrical, 120-225 by 100-190/1; 

 conidia globose, warty, tinged with green, 2-3 ^ in diameter, 



pergilius glo- in very long chains. 



bosus. A, Hab. Isolated from pepper root that was removed from 



mtd conidial ^^^^ from the plant-breeding experimental plats, Cornell 



fructifica- University, Ithaca, N. Y., in March, 191 1, after having 



B°^Rlobo's'e remained in the soil all winter. Description made from 



stvsllijig of fungus growing on sterilized straw plugs. Plant pathology 



conidiophore, , , . t^j 



showing pri- herbarium No. 5,912. 



mary and Differs from A. calyptratus in the smaller globose swell- 



Vterilmata i^S, in having branched sterigmata, and in having warty 



and spores, spores. 



X 533-3 Conidiophoris solitariis vel csespitosis; casspitibus 



virentibus, maximo 0.7 mm. altitudine, 0.4 mm. diam. Conidiophoris 

 erectis, septatis, simplicibus, 250-350 altitudine x 4.5-5.5/1, apice in 

 vesiculam, subglobosam ad lato-obovatam desinentibus ; vesiculis cum 

 sterigmatibus ramosis, 12-20 x io-15/t; sterigmatibus primariis sub- 

 globosis ad lato-obovatis 5-6 x 4.5-5/t, separabilibus facile ab vesiculis; 

 sterigmatibus secundariis 5-8 x 1.4-1.6/x; capitibus conidialibus, longo- 

 obovatis ad cylindricis, 120-225 x 100-190/1; conidiis globosis, 

 tuberculosis, virentibus, 2-3/1 diam., longe catenulatis. 



Hab. In radicibus hiemantibus Piperacearum. Ithaca, N. Y., Amer. 

 bor. 



Differens ab A. calyptratus in vesicuHs minoribus, sterigmatibus ramosis, 

 et conidiis tuberculosis. 



Aspergillus glaucus (L.) Link, Sacc. Syll. Fung. 19: 118-119. 1910. 

 For synonymy and bibliography see Lindau, Rab. Krypt. Flora Abt. 8, 

 i: 125-127. 1904-1907. 



