OP AETS AND SCIENCES. 169 



Laboulbenia Morionis, nov. sp. 



Pale straw-colored throughout except for a slight blackish brown 

 shade below the apex of the perithecium. Perithecium small, nar- 

 row, its whole inner margin connected with the receptacle, beyond 

 which the rather truncate hyaline tip barely projects. Appendages 

 inconspicuous, consisting of two basal cells each of which may bear 

 one to three short branches. Receptacle elongate, somewhat wedge- 

 shaped, the small blackened insertion cell carried outwards with the 

 appendages free from the perithecium. Spores 55 X 5 /x. Appendages 

 40-50 fi. Perithecia 110-125 X 30 fx. Total length to tip of peri- 

 thecium 375-425 (JL. Greatest width including perithecium 50 /x. 



On the elytra of 3forio georgioe Pal., Mexico. 



A singular species allied to the last, its small perithecium scarcely 

 distinguishable, at first sight, from the body of the receptacle. The 

 appendages are almost obsolete in some specimens. 



Laboulbenia Olivine, nov. sp. 



Hyaline or tinged with straw-yellow. Perithecium rather broad, 

 its tip only free from the receptacle, short, the inner margin curved 

 abruptly outwards from the receptacle to the blunt apex, the lips of 

 which are turned outwards, the upper hyaline with a slight brown 

 suffusion. Appendage usually smgle arising from cell (4) or from 

 cells (4) and (5) directly without any blackened insertion cell : con- 

 sisting of a basal cell simple or longitudinally divided, above which it 

 may be successively several times branched. A second appendage is 

 rarely present, arising apparently from the upper division of cell (5). 

 Receptacle hyaline, elongate, normal, except for cells (4) and (5), 

 which become more or less irregularly divided into from four to eight 

 smaller cells. Spores 75 X 5 /x. Perithecia 145-150 x 55-60 /x. 

 Appendage 110-150 /x. Total length to tip of perithecium (maximum) 

 400^. 



On the elytra, thorax, and legs of Clivina dentifemorata Putz., 

 Mexico. 



This species is remarkable for possessing usually but a single ap- 

 pendage, and from the absence of any blackened insertion cell, which 

 may, however, be represented by the upper apparent divisions of cells 

 (4) and (5). The species is allied to, though abundantly distinct from, 

 L. Schizogenii, which occurs on a closely related host. 



