20 NORTH AMERICAN FLORA [VoLumE 3 
ILLUSTRATIONS : Bull. Herb. Fr. p/. 284; Tode, Fungi Meckl. pl.9, f. 68; Tul. Fung. Carp. 
3: pl. 12; BE. & P. Nat. Pfl. Ul: f. 239, A-D; Rab, Krypt. Fl. 12: 87, f. 1-3. 
EXSICCATI: Ellis, Fungi Nova-Caesar, 68; Ellis, N. Am. Fungi #68, Ellis & Ev. Fungi 
Columb. 725; Barth. Fungi Columb. 2334, 2847, 3015, 3113, 3114 ; Rav. Fungi Am.399 ; Wilson & 
Seaver, Ascom. 7. 
2. Creonectria verrucosa (Schw.) Seaver, Mycologia 1: 185. 1909. 
Sphaeria verrucosa Schw. Trans. Am. Phil. Soc. II. 4: 204. 1832. 
WNectria verrucosa Sacc. Syll. Fung. 2: 509. 1883. 
Stromata fleshy, concave or convex, scarcely rising above the surface of the substratum ; 
perithecia cespitose in clusters 1~2 mm. in diameter, erumpent through the outer bark ; in- 
dividual perithecia nearly globose, dull-red,very rough externally with coarse granules, 250- 
300#in diameter; ascicylindric to clavate, 50-655-6 #, 8-spored ; spores 2-seriate, 1-septate, 
ellipsoid, with obtuse ends, straight or a little curved, usually not constricted, 12-16 * 4 u. 
On dead branches of Morus, Sassafras, and Melia. 
TYPE LocaLITY: Bethlehem, Pennsylvania. 
DISTRIBUTION: Delaware to North Dakota and Alabama. 
ILLUSTRATION : Ellis & Ev. N. Am. Pyrenom. pi. 12, f. 13-19. 
Exsiccati: Ellis & Ev. N. Am. Fungi 2371; Barth. Fungi Columb. 71/5, 3116. 
3. Creonectria atrofusca (Schw.) Seaver, Mycologia 1: 186. 1909. 
Sphaeria atrofusca Schw. Trans. Am. Phil. Soc. II. 4: 206. 1832. 
Nectria atrofusca Ellis & Ev. Jour. Myc. 1: 140. 1885. 
Stromata fleshy or subfleshy, rather dark-colored, erumpent but not rising much above 
the surface of the bark; perithecia in cespitose clusters on the stroma, the clusters variable 
in size, averaging 1-2 mm.; individual perithecia subglobose with a prominent papilliform 
ostiolum, mostly collapsing when dry, dark-colored, nearly black in dried specimens, 
brownish-black with transmitted light, small, mostly less than 200» in diameter; asci sub- 
cylindric, 45-50 X 7 u, 8-spored; spores partially 2-seriate above, 1l-seriate below, hyaline, 
1-septate, slightly constricted at the septum, subfusoid with the ends slightly narrowed. 
On dead branches of Staphylea trifolia 1. 
TYPE LOCALITY: Bethlehem, Pennsylvania. 
DISTRIBUTION: Pennsylvania. 
ExsiccaTr: Ellis & Ev. N. Am. Fungi 1547. 
4. Creonectria Coryli (Fuckel) Seaver, Mycologia 1: 186. 1909. 
Nectria Coryli Fuckel, Symb. Myc. 180, 1869. 
Chilonectria Coryli Ellis & Ev. N. Am. Pyrenom. 116. 1892. 
Perithecia cespitose on an erumpent stroma, globose, smooth, at first bright-red, 
becoming blackish, entirely black in weathered specimens, collapsing, becoming pezizoid ; 
asci clavate, 85-100 X 10-12, 8-spored but with spores often obscured by numerous, allan- 
toid spore-like bodies which are present in the ascus; spores fusoid, 1-septate, with a short 
curved appendage at each end, 10-15  2.5-3 4. 
On branches of various deciduous trees and shrubs, 
TYPE LOCALITY: Europe. 
DISTRIBUTION : Ontario to New Jersey and North Dakota; also in Europe. 
Exsiccati: Ellis, N. Am. Fungi 259. 
5. Creonectria pithoides (Ellis & Ev.) Seaver, 
Mycologia 1: 187. 1909. 
Nectria pithoides Ellis & Ev. Proc. Acad. Phila. 1890: 247. 1890. 
?Nectria cytisporina Ellis & Ev. Erythea 1: 197. 1893. 
Stromata erumpent, yellowish; perithecia seated on the stroma in dense clusters 1.5-2.5 
mm. in diameter; individual perithecia bright-red, collapsing so as to become truncate, 
resembling the head of a barrel with the ostiolum appearing as a light translucent dot in 
the center, 200-250 # in diameter; asci cylindric, 70-80 <5, 8-spored; spores ellipsoid, 
l-septate, with an oil-drop in each cell, hyaline, 6-10 X 3-4z. 
On bark of dead alders. 
TYPE LOCALITY: British Columbia. 
DISTRIBUTION: British Columbia and Washington. 
ILLUSTRATION: Mycologia 1: p/. 13, f. 3, 4. : 
ExsiccaTi: Ellis & Ev. N. Am. Fungi 2750 (cotype); Barth. Fungi Columb. 3772, 
