20 NORTH AMERICAN FLORA [VoLuME 6 
which are dead and brown; pycnidia scattered over the infected spot, reaching a diameter 
of 100-1504; spores rather long and fusoid, straight or slightly curved, reaching a length 
of 18-204 and a diameter of 3 pn. 
On FAGACEAE: 
Castanea dentata (Marsh.) Borkh. (Castanea vesca americana Michx.), Alabama. 
TYPE LocaALIty: Alabama, on Castanea vesca. 
DistRIBUTION: Known only from the type locality. 
42. Phyllosticta tineola Sacc. Michelia 1: 531. 1879. 
Spots indefinite or often covering nearly half of the leaf, terminal or lateral, ochraceous; 
pycnidia scattered, globose-lenticular, reaching a diameter of 70-80 yu; spores oblong-cylindric. 
rounded at the ends, curved, 3 X 15 4, containing two oil-drops. 
ON CAP UIFOLIACEAE: 
Tiburnum pubescens (Ait.) Pursh, Wisconsin. 
Type Locatity: Europe, on Viburnum Tinus. 
DisTrRiBUTION: Wisconsin; also in Europe. 
43. -Phyllosticta bumeliifolia Heald & Wolf, Mycologia 3: 7. 1911. 
Spots circular or subcircular in form, definite, solitary or often confluent and then cover- 
ing half the surface of the leaf, pale-brown, the individual spots reaching a diameter of 3.6 
mm., visible on both sides of the leaf but more distinct on the upper surface; pycnidia numer- 
ous, scattered, black, restricted to the upper side of the leaf, reaching a diameter of 125-150 u; 
spores globose or subglobose, granular, guttulate, reaching a diameter of 9-15 un. 
On SAPOTACEAE: 
Bumelia lanuginosa (Michx.) Pers., Texas. 
Bumelia lycioides (L.) Pers., Alabama. 
TYPE LOCALITY: Austin, Texas, on Bumelia lanuginosa. 
DIstRiBuTION: Alabama and Texas. 
44, ,Phyllosticta portoricensis E. Young, Mycologia 7: 147. 1915. 
Spots circular or nearly so, yellowish or whitish near the center, surrounded by a very 
narrow, slightly elevated rim, reaching a diameter of 2mm.; pycnidia few, scattered over the 
infected spot, minute, reaching a diameter of 60-90; spores subglobose to ovoid, about 
5-7 X 9-14 u. 
On EUPHORBIACEAE: 
Croton lucidus L., Porto Rico. 
TYPE LOCALITY: Guanica, Porto Rico, on Croton lucidus. 
DistTrRiBuTION: Known only from the type locality. 
45. Phyllosticta pallens Ellis & Ev. N. Am. Phyllost. 74. 1900. 
Phyllosticta Euonymi Tharp, Mycologia 9: 119. 1917. Not P. Euonymi Sacc. 1878. 
Spots usually marginal, pale-yellowish or whitish, with a definite, narrow, very dark- 
purple margin which gradually blends off into the healthy tissue of the leaf, reaching a diam- 
eter of 1 cm., about equally visible on either side of the leaf; pycnidia sparingly scattered over 
the infected spot, reaching a diameter of 100-150 y; spores ellipsoid, 6-7 X 10-12 n. 
On CELASTRACEAE: 
Euonymus americanus L,., Indiana. 
Euonymus atropurpureus Jacq., Texas. 
Euonymus euvopoeus L., Alabama. 
TYPE LocALITy: Tuskegee, Alabama, on Euonymus europaeus. 
DISTRIBUTION: Indiana to Alabama and Texas. 
46. Phyllosticta Hamamelidis (Cooke) Martin, Jour. Myc. 
2:15. 1886. 
Phyllosticta Hamamelidis Cooke; Rav. Fungi Am. 511, hyponym. 1881. 
Gloeosporium Tamamelidi s Cooke, Grevillea 12: 26. 1883, 
Phyllosticta Hamamelidis Peck, Ann, Rep. N. Y. State Mus. 39: 44. 1887. 
Spots subcircular or irregular and often occupying half of the leaf-surface, dark-brown, 
visible on either side of the leaf but paler below; pycnidia scattered over the infected spot, 
