50 PROCEEDINGS OF THE AMERICAN ACADEMY. 



usually erect, nearly isodiametric, or often subclavate, tapering slightly 

 below to a short rather narrow hyaline contrasting stalk formed by the 

 basal wall-cells ; the subbasal wall-cells slightly spiral, making from one 

 quarter to one half a turn ; the tip short, blunt, blackish, generally not 

 well distinguished, sometimes bent rather abrutly inward. Receptacle 

 short, the basal cell nearly hyaline, somewhat elongate, the rest of the 

 receptacle hardly exceeding it in length, dirty olive brown, becomino- 

 more deeply suffused with brown or blackish brown and somewhat 

 mottled; cell II small, separated from cells III and VI by very oblique 

 septa, its lower third or fourth, only, free ; cells II, III, VI and often IV 

 not differing greatly in size, their inner angles often converging to a 

 common point at about the centre of the distal portion of the receptacle ; 

 cell II triangular or subtriangular, extending upward to a point just 

 below the insertion-cell, and downward nearly to the base of cell II ; 

 cell V but slightly smaller than cell IV. Insertion-cell slightly oblique, 

 well defined, rather thick, broad, black. Appendages corresponding in 

 type to those of L. Galeritae, hyaline or the lower cells becoming suffused 

 more or less, but not deeply, with brown ; the outer and inner free above 

 the base; the outer consisting of from six to sometimes ten or more 

 obliquely superposed cells each of which bears externally a simple 

 branch consisting of a two-celled basal part, the cells slightly longer 

 than broad, constricted at the dark septa, clear brown; the distal part 

 long, becoming slender, flexuous and hyaline toward its extremity, 

 which may reach, or even exceed, the tip of the perithecium. The 

 basal cell of the inner appendage producing a free branch on either 

 side similar to the outer appendage, and bearing similar branchlets ; 

 except that the lowest, and usually the next above it, consist of single 

 cells bearing terminally single brownish, slightly curved antheridia. 

 Spores 90x7 /A. Perithecia 290-360 X 50-GO /x, including the stalk 

 (40 /x). Receptacle 220 X 60-70 />i. Appendages including branches 

 200-360 jx.. Total length to tip of perithecium, average, 500 //. 



On the elytra and prothorax of Galerita carbonaria Mannerh., Brazil ; 

 Berlin Museum, No. 960. Allied to L. incerta and L. fusiformis. 



Laboulbenia Planetis nov. sp. 



Perithecium large and stout, clear transparent brown, except the sub- 

 hyaline base, which is separated by a more or less clean-cut line of 

 demarcation ; the wall-cells with a slightly spiral twist, the tip abruptly 

 distinguished, symmetrical or nearly so, black, except the evenly rounded 

 subhyaline symmetrical lip-edges. Receptacle rather slender, subhyaline 



