368 NORTH AMERICAN FLORA [VOLUME 7 
138. Dicaeoma Sambuci (Schw.) Arth. Proc. Ind. Acad. Sci. 1903: 
151. 1904. 
Aecidium Sambuci Schw. Schr. Nat. Ges. Leipzig 1:67. 1822. 
Caeoma (Aecidium) sambuciatum Schw. Trans. Am. Phil. Soc. II. 4: 294. 1832. 
Puccinia Bolleyana Sacc. Syll. Fung. 9: 303. 1891. 
Puccinia Atkinsoniana Dietel, Bull. Cornell Univ. 3:19, 1897. 
Dicaeoma Bolleyanum Kuntze, Rev. Gen. 33: 468. 1898. 
Puccinia Thompsonii Hume, Bot. Gaz. 29: 352. 1900. 
Puccinia Sambuci Arth. Bot. Gaz. 35:15. 1903. 
O. Pycnia chiefly epiphyllous and caulicolous, numerous, gregarious, more or less crowded 
in orbicular groups 1-5 mm. across, conspicuous, punctiform, orange-yellow becoming brown- 
ish, globoid, 120-155 u in diameter, 112~—144 » high; ostiolar filaments 50-90 » long. 
I. Aecia hypophyllous and caulicolous, crowded in orbicular groups on the leaves, 0.1- 
0.5 mm. or more across, on thickened, discolored spots, or crowded over hypertrophied areas, 
often of considerable extent on the stems and petioles, short, 0.3-0.7 mm. in diameter, bright 
orange-yellow; peridium colorless, the margin recurved, erose; peridial cells squarish in longi- 
tudinal section, isodiametric, 15-25 u, the outer wall 7-12 « thick, striate, smooth, the inner 
wall moderately thick, 3-4 u, verrucose; aeciospores globoid, 15-19 » in diameter; wall pale- 
yellow, thin, about 1 y, finely verrucose. 
ON CapRIFOLIACEAE: 
Sambucus canadensis 1,., Alabama, Connecticut, Delaware, District of Columbia, Florida, 
Georgia, Illinois, Indiana, Louisiana, Massachusetts, Michigan, Missouri, Nebraska, 
New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Vir- 
ginia, West Virginia, Wisconsin. 
Sambucus pubens Michx. (S. racemosa Hook. not L.), Delaware, District of Columbia, 
Indiana, Michigan. 
II. Uredinia chiefly hypophyllous, scattered, elliptic, 0.1-0.3 mm. broad by 0.2-0.7 mm. 
long, early naked, pulverulent, chestnut-brown, ruptured epidermis conspicuous; uredinio- 
spores lenticular or ellipsoid, 17-21 by 23-32 w; wall light chestnut-brown, about 1.5 « thick, 
rather finely echinulate, the pores 2, usually in the upper part near apex. 
III. Telia chiefly hypophyllous, scattered, oblong or linear-oblong, 0.3-0.6 mm. broad by 
0.4-5 mm. or more long, early naked, pulvinate, dark chocolate-brown, ruptured epidermis 
conspicuous; teliospores clavate-oblong or clavate, 15-25 by 42-65 u, rounded above, usually 
narrowed below, somewhat constricted at septum; wall chestnut-brown, concolorous, 1.5-2 » 
thick, thicker at apex, 7-13 4, smooth; pedicel nearly or quite colorless, about length of spore. 
ON CYPERACEAE: 
Carex Asa-Grayi I. H. Bailey (C. Grayi Carey), West Virginia. 
Carex bullata Schkuhr, Delaware. 
Carex comosa Boott, Michigan, Ohio, Texas. 
Carex crinita Lam., New York. 
Carex Crus-corvi Shuttl., Michigan. 
Carex Frankii Kunth (C. stenolepis Torr.), Arkansas, Georgia, Indiana, Kansas, Kentucky, 
Missouri, Ohio, Tennessee, West Virginia. 
Carex intumescens Rudge, Nova Scotia. 
Carex lupulina Muhl., Indiana, New York. 
Carex lupuliformis Sartwell, Ontario. a : 
Carex lurida Wahl., Alabama, Delaware, Indiana, New York, Ohio, Pennsylvania. 
Carex tribuloides Wahl., New York. ; ; 
Carex trichocarpa Muhl., Indiana, Ohio, Wisconsin. sale 
Carex sp., Illinois, New Jersey, North Carolina, Virginia. 
Typg Locality: North Carolina, on Sambucus canadensis. 
DistRiBurion: Throughout the United States and southern Canada east of the Rocky Moun- 
tains. 
Exsiccati: Barth. Fungi Columb. 3351, 3860, 4865; Barth, N. Am. Ured. 1569, 2263; Ellis, N. 
Am. Fungi 1002; Ellis & Ev. Fungi Columb. 258 (in part); Kellerm. Ohio Fungi 3, 57, 88, 148; 
Rab.-Wint.-Paz. Fungi Eur. 3937; Rav. Fungi Am. 725; Seym. & Earle, Econ. Fungi 473a, 0. 
139. Dicaeoma Caricis-strictae (Dietel) Arthur & Kern. 
Uromyces Caricis Peck, Ann. Rep. N. Y. State Mus. 24: 90. 1872. Not Dicaeoma Caricis Kuntze, 
1898 
Puccinia Caricis-strictae Dietel, Hedwigia 28: 23. 1889. 
O and I. Pycnia and aecia unknown. | 
IL. Uredinia of the usual sort not seen; urediniospores of the usual sort ellipsoid or obo- 
void, 13-20 by 20-35 uw; wall light cinnamon-brown, about 1.5 « thick, finely and moderately 
echinulate, the pores 2, opposite, slightly below the equator. 
