Fair man : Ascomycetes erom New Mexico 257 



Under examination with a B. & L. one-twelfth imm. lens the 

 punctate appearance is seen to be due to minute granules in the 

 substance of the spores. 



Coniothyrium olivaceum Salsolae var. nov. 



Pycnidia scattered or gregarious, seated on the inner bark, be- 

 coming erumpent-superficial, globose, with a central pore from 

 6-8 /J, broad, black, 120-200^ in diam. ; spores rounded or ellipsoid, 

 subhyaline, becoming smoky, 4-8 X 4-5 



On old stems of Salsola Pcstifer A. Nels. (14765 and 14221). 



Coniothyrium olivaceum Thermopsidis var. nov. 



Pycnidia numerous, scattered, immersed, then erumpent and 

 raising the epidermis in minute pustuliform elevations, globose or 

 globose-depressed, 1 30-200 /x in diam.; spores numerous, rounded 

 or ellipsoid, continuous, at first hyaline, becoming smoky-brown, 

 darker in mass, 5-6 X 3-33 ^. 



On old stems of Thermopsis pinetorum Greene (14744 p.p.). 



Coniothyrium concentricum Yuccae-glaucae Sacc. 



On old stems of Yucca glauca Nutt. (14243 p.p.). Cfr. 

 Brenckle, Fungi Dak. No. 428. 



Coniothyrium myriocarpum (Fr.) Sacc. 



On a log of Po pubis angustifolia James (13562 a) associated 

 with Rosellinia puhvracca of which, sec. Fuckel, it is the pycnidial 

 stage. 



Hyalodidymae 



Ascochyta Boutelouae sp. nov. 



Pycnidia black, scattered and immersed in the substance of the 

 leaves, becoming erumpent, depressed-globose, of thin mem- 

 branaceous texture, round and about 55 /x in diam., or oblong 90- 

 150^ in length, with a central ostiolum about 10 /jl broad; spores 

 numerous, oblong-cylindric, obtusely rounded at the ends, 4-5- 

 nucleolate at first, then uniseptate, slightly constricted, hyaline or 

 greenish-hyaline, 17-20 X 6-7 /x. 



On Bout eloua gracilis (H.B.K.) Lag. Distinct from Ascochyta 



