194 General Notes. [F ebruary, 
spreads over the surface of the wood adjacent, and consists of 
-short rudimentary irregularly branched hyphæ, which are thickly 
covered with the minute, dust-like conidia; perithecia, in two 
or three layers, densely crowded and angular by compression, the 
lower layer much elongated, ostiola minute scarcely visible: 
asci —-? sporidia navicular brown, 11—12 4. The stromata — 
resemble blotches of black pitch dusted over with yellow meal, 
and are of about the consistence of beeswax. On rotten wood 
Decorah, Iowa, Oct., 1832. E. W. Holway, No. 287. (Allied to 
Hypoxylon crocatum Mont.) ie 
Nectria lasioderma.—Perithecia mostly single, subamorphous, _ 
obtuse-conic, broadly perforated above, 1mm high, shagged with 
short, septate, obtuse, imperfectly developed hairs, dull red when 
ry, pale orange when moist; asci cylindrical, 75-90 X 1%. 
sporidia uniseriate, elliptical hyaline, uniseptate, scarcely con 
stricted, 11-12 X 4-5 #. Parasitic on old Vadsa lutescens Ell. On 
dead limbs of Quercus coccinea lying on the ground. Newheld X 
J., June, 1882. On account of its small size and dull color easily 
overlooked. a4 
Nectria Rexiana—Perithecia minute, not over 14mm in diam, 
flesh color, becoming black, slightly compressed laterally. Solitary 
or 2-3 together, enveloped in white down which forms little tufts | 
appearing under the lens like some minute, tufted mucedinows 
growth; asci linear, 35-40 ~. long, evanescent; sporidia U 
Seriate, oblong, hyaline, 1-2 nucleate (becoming uniseptaten 
X 144-24. Parasitic on Chondrioderma spumarioidès. * 
rondack mountains, N. Y., Aug. 1882. Dr. Geo. A. Rex. am 
„Nectria truncata—Perithecia gregarious, minute, io 7 y 
diameter; flesh color, subglobose, the apex flattened into a Ci 
lar, granular roughened disk with the edge slightly projecting 
ostiolum in the centre of the disk, minute, papilliform, brott 
asci sublanceolate, 35 X 5 ; sporidia biseriate, oblong-fustiorm 
sub-hyaline, slightly constricted across the middle and unt 
tate, II—I3 x 21⁄4 — 3u. Under the pocket lens resembles +4% 
yi 
Ks 
