(474) 

 Tremella Juniperi-virginianae Arth. Proc. Ind. Acad. Sci. 1900: 



135- !9°i- 

 Aecidium Juniperi-virginianae Arth. Result. Sci. Congr. Bot. 

 Vienne 343. 1905. 



Aecia chiefly hypophyllous, usually in annular groups, on thick- 

 ened discolored spots, at first cylindric, 0.1-0.4 mm - i n diameter; 

 peridium splitting extremely early becoming fimbriate to the base, 

 strongly revolute; peridial cells usually seen only in side view, 

 long and narrow, 10—16 by 65-ioOyu, becoming much curved when 

 and side walls rather sparsely rugose with ridges 

 extending half way across the side 

 walls; aeciospores globoid or broadly 

 ellipsoid, 16-24 by 21-3 i/z, wall light 

 chestnut-brown, 2-3^ thick, finely ver- 



Telia 



loboid c 



appearing c 

 form galls 5-30 mm. or more in diam- 

 eter, evenly disposed, cylindric or 

 cylindric-acuminate, 1.5-3 mm. in di- 

 ameter by 10—20 mm. long, golden- 

 brown; teliospores 2-celled, rhombic- 

 oval or narrowly ellipsoid, 15-21 by 

 mstricted at the septum, wall pale cinna- 

 about i/x; pedicel cylindric, 3— 5m i n diameter; 



:ach cell near the s 



Hosa 



For the aecia: Malus angustifolia (Ait.) Michx., M. baccata 

 (L.) Desf., M. coronaria (L.) Mill., M. ioensis (Wood) 

 Britton, M. Malus (L.) Britton. 

 For the telia: Juniperus barbadensis L., /. virginiana L. 

 Type locality: North Carolina, on Juniperus virginiana. 

 Distribution: Massachusetts and Ontario west to S. Dakota, 

 south to Texas and Florida. 



Illustrations: Farlow, Anniv. Mem. Boston Soc. Nat. Hist. 

 pi. i,f. 1-6; Ann. Bot. 1: pi. 13; Bull. Iowa Exp. Station S 4 , /. 1, 

 2, 5c; Hedwigia 34: 3,/. 8; Bot. Gaz. 49: pi. 21, f. 2; E. & P. Nat. 

 Pflanzenfam. I 1 **:/. 34B; Ann. Rep. Neb. Exp. Station 22:/. 1-12. 

 Exsiccati: Ellis & Ev. N. Am. Fungi 2713; Ellis & Ev. Fungi 

 Columb. 757, 1929, 2029, 2030; Ellis, N. Am. Fungi 270, 1086a, b, 

 2713; Kellerm. Ohio Fungi, 22; Kellerm. & Sw. Kan. Fungi 19; 

 Carleton,Ured.Am.jp; Rab.-Wint. Fungi Eur. 292 1; Rab.-Wint.- 

 Paz. Fungi Eur. 4014; Seym. & Earle, Econ. Fungi 227a, 228, 229, 

 229X, y; Shear, N. Y. Fungi 317; Sydow, Ured. 1195; Thum. Myc. 



