142 NORTH AMERICAN FLORA [VoLUME 7 
ON CAESALPINIACEAE : 
Caesalpinia sp., Porto Rico. 
TYPE LOCALITY: Near Bayamon, Porto Rico, on Caesalpinia sp. 
DISTRIBUTION : Known only from the type locality. 
29. Ravenelia Talpa (Long) Arth. Bot. Gaz. 39: 396. 1905. 
Pleoravenelia Talpa Long, Bot. Gaz. 35: 130. 1903. 
O. Pycnia unknown. 
II. Uredinia chiefly epiphyllous, scattered, round, small, subepidermal, soon naked, 
pulverulent, cinnamon-brown, ruptured epidermis conspicuous; paraphyses none; uredin- 
iospores broadly ellipsoid or somewhat obovate, 16-22 by 21-272; wall cinnamon-brown, 
1-1.5 # thick, slightly thicker above, 1.5-2.5 u, moderately echinulate-verrucose, pores about 
6, approximately equatorial. 
III. Telia amphigenous, scattered, irregular, small, subepidermal, soon naked, blackish, 
shining, ruptured epidermis noticeable ; teliospore-heads chocolate-brown, 4-8 cells across, 
55-95 » in diameter, each spore bearing 3-5 inconspicuous, semihyaline, wart-like papillae; 
cysts hyaline, large, pendent and decurrent into pedicel, swelling in water ; pedicel hya- 
line, short, deciduous. 
ON FABACEAE: 
Cracca Talpa (S. Wats.) Rose (Tephrosia Talpa S. Wats.), Jalisco, Oaxaca. 
TYPE LOCALITY : Oaxaca, Mexico, on Tephrosia Talpa. 
DISTRIBUTION: Southern Mexico. 
ILLUSTRATION : Bot. Gaz. 35: pl. 3, f. 22. 
30. Ravenelia epiphylla (Schw.) Dietel, Hedwigia 33: 27. 1894. 
Sphacria epiphylia Schw. Schr. Nat. Ges. Leipzig 1: 40. 1822. 
Ravenetia glandulosa B. & C. Gard. Chron. 1853: 132. 1853. 
Ravenelia glandulacformis B. & C. Grevillea 3: 56. 1874. 
Pleoravenelia epiphylla Long, Bot. Gaz. 35: 128. 1903. 
O. Pycnia epiphyllous, punctiform, crowded in small groups, subepidermal, conical- 
globoid, 90-120 » wide and abotit the same height; ostiolar filaments 20-40 » long. 
II. Uredinia amphigenous, small, crowded in circular groups on yellow spots, subepi- 
dermal, soon naked, pulverulent, ferruginous, ruptured epidermis conspicuous; paraphyses 
none; urediniospores obovate or obovate-globoid, 19-26 by 28-35 “#; wall golden-brown, 
medium thick, 2.5-3 #, closely verrucose, pores 6, equatorial. 
III. Telia amphigenous, small, scattered or coalescing, blackish, shining, subepider- 
mal; teliospore-heads chestnut-brown, variable in size, 4-7 cells across, 80-115 » in dia- 
meter, stnooth ; cysts colorless, decurrent on the pedicel; pedicel very short, colorless. 
ON FABACEAE : 
Cracca hispidula (Michx.) Kuntze ( Tephrosia hispidula Pers.), Alabama, New York, South 
Can pa (Walt.) Kuntze (Tephrosia spicata T. & G.), Alabama, Florida, South 
Ce ek L. (Tephrosia virginiana Pers., Galega virginiana I,.), Alabama, Con- 
necticut, Delaware, Florida, Georgia, Illinois, Michigan, Missouri, New Jersey, New 
York, North Carolina, Pennsylvania, South Carolina, West Virginia, Wisconsin. 
TYPE LOCALITY: North Carolina, on Galega virginiana. 
DISTRIBUTION : New York to southern Michigan and Missouri and southward to the Gulf of 
Mexico. 
ILLUSTRATIONS : Hedwigia 33: f/. 1, f. 7; Bot. Gaz. 35: £1. 3, f. 18; Beih. Bot. Centr. 202: pi. 
5,f. 7,8. 
eae: Ellis. N. Am. Fungi 363, Ellis & Ev. Fungi Columb. 268; Thiim. Myc. Univ. 
1251; Seym. & Earle, Econ. Fungi B26; Rav. Fungi Car. Exs. 3: 72; Roumeguére, Fungi Sel. 
Exs. $832; Rab.-Wint. Fungi Eur. 2816. 
31. Ravenelia irregularis Arthur, sp. nov. 
QO. Pyenia epiphyllous, in small groups, inconspicuous, light-yellow, punctiform, sub- 
epidermal, rounded-conical, 60-90 # broad by half as high. 
II. Urediniahypophyllous at first on discolored spots, then amphigenous and scattered, 
round, small, subepidermal, soon naked, pulverulent, light cinnamon-brown, ruptured epi- 
dermis noticeable; paraphyses none; urediniospores broadly ellipsoid, 17-19 by 21-23 p; 
