:-2ft thick, smooth, ii 



(465) 



in side view, 15-25/4 thick, outer i 



wall and side walls 5-7/1 thick, rather 

 coarsely verrucose with roundish or ir- 

 regular papillae of varying sizes; aecio- 

 spores globoid, 21-27X25-30/1, wall light 

 cinnamon-brown, 2.5-3.5/* thick, mode- 

 Telia caulicolous, appearing on long 

 fusiform swellings of various sized 

 branches, numerous, scattered or some- 

 times aggregated, cylindric, or slightly 

 compressed, 5-10 mm. long by 0.8—1.5 

 mm. in diameter, acutish or sometimes 

 forked at the apex, brownish yellow; telio- 

 spores 2-celled, lanceolate, 13-20X50-80/1, 

 occasionally longer, rounded or narrowed FlG - 2 6. G. clavariaeforme. 

 above, usually narrowed below, very 



slightly or not at all constricted at the septum, wall golden-yel- 

 low,1thin, about 1/1; pores 2 in each cell, near the septum. 



For the aecia: Amelanchier alnifolia Nutt., A. canadensis 

 (L.) Medic, A. intermedia Spach., A. oblongifolia (Torr. & 

 Gray) Roem., A. oreophila A. Nels., A. polycarpa Greene, A. 

 pumila Nutt., Aronia arbutifolia (L.) Medic. (Pyrus arbuti- 

 foliah.), Cotoneaster vulgaris (L.) Pers., Crataegus monogyna 

 Jacq., C. nigra Waldsb. & Kit., C. oxyacantha L., C. pyra- 

 cantha Pers., C. tanacetifolia Pers., Cydonia vulgaris (L.) 

 Pers., Pyrus communis L. 

 For the telia: Juniperus communis L., /. oxycedrus L., /. 

 sibirica Burgsd. (/. nana Willd.). 

 Type locality: Corinthia, on Juniperus communis. 

 Distribution: Maine and Delaware west to Wisconsin and 

 northeastern Iowa, and in Wyoming and Colorado; and in 

 Europe. 



Illustrations: Beitr. Krypt. Schweiz. 2 2 : /. 275; Hedwigia 

 34: 3,/. 3; Grev. Crypt. Fl. 4: pi. 209; Bot. Gaz. 4H-.pl. 21, f. 6. 



Exsiccati: Ellis & Ev. Fungi Columb. 56; Ellis, N. Am. Fungi 

 273; Seym. & Earle, Econ. Fungi 241, 242a, b, c; Syd. Ured. 134, 

 1036, 1692; Sydow. Myc. Mar. 830; Briosi & Cavara, Funghi 

 Paras. 39; Krieger, Fungi Sax. 361, 362; Linhart, Fungi Hung. 

 332; Rab. Fungi Eur. 2197; Sacc. Myc. Ital. 256, 921; Thum. 

 Myc. Univ. 1036, 1326; Cooke, Fungi Brit. 2, 123; Roum. Fungi 

 Gall. 749, 1263, 2248; Desm. PI. Crypt. 1546; Allesch. & Schn. 

 Fungi Bavar. 32; Vesterg. Microm. Rar. Sel. 756. 



