Report of the State Botanist. 39 



TJrnula Geaster n. sp. 



Rece})tacle urceolate or cupulate, 1 to 2.5 inches broad, at 

 length splitting into 4 to 6 rays, narrowed below into a stem-like 

 base 3 to 5 lines thick, externally everywhere clothed with a 

 dense velvety coat of slender, interwoven, minutely papillose 

 brown hairs, flesh white ; hymenium white o^' whitish, .035 in. 

 thick ; asci very long, cylindrical, .03 in. long ; spores uniseriate, 

 oblong or oblong-fusiform, pointed at each end, colorless, .0025 

 to .003 in. long, about .0006 broad, often containing a single 

 large nucleus. 



Ground. Austin, Texas. November. L. M. Underwood. 



This species is well marked by its Geaster-like rays, its dense 

 external velvety -tomentose covering, its thick hymenium and its 

 very long spores. These surpass in length the spores of any 

 other species of Urnula known to me. 



Diatrypella Underwoodii n. sp. 



Stroma small, .014 to .028 in. broad, prominent, subsuperficial, 

 convex or subconical, uneven, black ; perithecia few, 1 to 3 in a 

 stroma, the ostiola obscure; asci fusiform or subclavate, long- 

 pedicellate, the sporiferous part about .003 in. long, often swollen 

 or irregularl}^ tumid in the middle or at the base, the pedicel 

 nearly as long as the sporiferous part ; spores allantoid, .0003 in. 

 long, .0001 broad. 



Dead branches of mesquit. Austin, Texas. November. 

 Underwood. 



Distinguished for its very small verrucose stroma with few 

 perithecia, and for its singularly swollen and irregular asci. 



Rhytidhysterium Prosopidis n. sjx 



Perithecia superticial, very hard when dry, subelliptical or 

 trigonal, black, with very obtuse, thick, involute, crenulate or 

 transversely sulcate-costate labia3, becoming expanded and softer 

 when moistened, suborbicular, revealing the dingy yellowish- 

 green distinctly margined disk ; asci slender, cylindrical, .007 

 to .008 in. long, .(i()045 to .0005 broad, eight-spored ; spores 

 uniseriate, oblong, sometimes slightly curved, at first colorless 

 and uniseptate, then colored and triseptate, .0008 to .(Mil 2 in. 



