Creonectria purpurea Seaver 1909

Creonectria purpurea (I^.) Seaver, Mycologia 1 : 184. 1909
Tremella purpurea I^. Sp. PI. 1158. 1753. Sphaerta tremelloides Weigel, Obs. Bot. 46. 1772. Tubercu laria vulgaris Tode, Fungri Meckl. 1 : 18. 1790. Sphaerta cinnabarina Tode, Fungi Meckl. 2 : 9. 1791. Cucurbttaria cinnabarina Grev. Scot. Fl. Crypt. ^/. 135. 1824. Sphaeria Celastri Schw.; Fries, Blench. Fung. 2 : 81. 1828. Sphaeria demaiiosa Schw. Trans. Am. Phil. Soc. II. 4 : 205. 1832. Nectria cinnabarina Fries, Summa Veg. Scand. 388. 1849. Nectria RusselliiB^r'k. &Curt.; Berk. Grevillea 4 : 45. 1875. Nectria offuscata Berk. & Curt.; Berk. Grevillea 4 : 45. 1875. Nectria nigrescens (1o6)l&, Grevillea?: 50. 1878. Nectria Sambuci Ellis & Bv. Proc. Acad. Phila. 1890 : 246. 1890. Nectria Meliae Barle, Bull. Torrey Club 25 : 364. 1898. Nectria purpurea Wilson & Seaver, Jour. Myc. 13: 51. 1907.
Stromata erumpent, tubercular, at first pinkish or yellowish-red, becoming darker with age, often brownish and occasionally quite black, 1-2 mm. in diameter and 1-2 mm. high ; conidiophores 50-100 /^ long with short lateral branches on which the conidia are borne ; conidia 4-6X2/^, ellipsoid, hyaline; perithecia springing at first from the base of the stroma, which at maturity is concealed by the cespitose clusters of perithecia ; individual perithecia nearly globose, with the ostiolum rather prominent, becoming slightly collapsed, at first bright cinnabar-red, becoming darker with age, often brown and occasionally black (when weathered), roughened externally with coarse granules 375-400^ in diameter; asci clavate, 50-90 X 7-12 /w, 8-spored ; spores mostly 2-seriate, ellipsoid, elongate, about 3 times as long as broad, with obtuse ends, 1-septate, hyaline, mostly a little curved, 12-20 X }i ; paraphyses very delicate
On bark of various kinds of deciduous trees and shrubs, of many different families.
Type locality : Burope.
Distribution : Maine to California and South Carolina, probably common throughout North