739 

 The stromata are irregular in outline, mostly elongated and 



* / o 



variously confluent, and the wood inside the circumscribing line is 

 whiter than the surrounding parts. 



Page 460. After Diaporthe racenmla, (C. <fc P.), insert- 

 D. umbel latarum, (Schw.) 



Sphczria umbellatarum, Schw. Syn. N. Am. 1467. 



Covered; spots effused far and wide, forming figures of various 

 shapes, reminding one of a geographical map, surface of the spots 

 crustose, black, but not shining. Perithecia scattered, deeply buried 

 under the crust, depressed-globose. Ostiola emergent, short cylin- 

 drical, rugose. Asci 35-40 x 5-6 /*. Sporidia biseriate, oblong, uni- 

 septate, slightly constricted, 10-12 x 3 /JL. 



On dead stems of Umbelliferce. Bethlehem, Pa. (Schw.). 



Measurements of asci and sporidia from spec, in Herb. Schw. 



Page 469. After Valsa aequilinearis, insert- 



V. haustellata, Fr. in Cooke's Valsei of the U. S. p. 115. 



Sph&ria haustellata, Fr. S. M. II, p. 383, Schw. Syn. N. Am. 1320. 

 Exsicc. Rav. F. Car. Ill, 53. 



Pustules with their base deeply sunk in the bark and loosely cir- 

 cumscribed by a narrow, black line penetrating to the wood. Peri- 

 thecia deeply buried, their long necks converging and joined in a 

 narrow, convex, prominent disk. Ostiola short, distinct, smooth, some- 

 times dilated at the apex. Asci 8-spored. Sporidia allantoid. strongly 

 curved, slightly umber-colored, 6-8 x 2 p.. 



On Alnus serrulata and Ostrya Viryinica, Carolina (Curtis & 

 Ravenel), New York (Peck), on oak limbs, Pennsylvania (Schw.). 



Page 470. Valsa Liiiderse, Pk. should be transferred to subgenus 

 Leucostoma. 



Page 502. After Eiitypa elevans, insert- 

 En, crustata, (Fr.) 



Sphczria crustata, Fr. S. M. II, p. 376. 

 Massaria crustata, Fr. Summa Veg. Sc. p. 596. 

 Valsa crustata, Nitsch. Pyr. Germ. p. 135. 

 Etitypa crustata, Sacc. F. Ven. Ser. IV, p. 16. 



Stromata widely effused, often surrounding the branches, sunk in 

 the bark and forming with it a crust which becomes blackened on the 

 surface and very rough or even spiculose from the strongly projecting 



