( 4 6i) 



scattered, irregularly wedge-shaped, often incised at apex and 

 lacunose below, 3-5 mm. high, cinnamon-brown; teliospores 2- 

 celled, ellipsoid, 18-22 by 57-66/u, not or very slightly constricted, 

 usually narrowed above and below, wall pale cinnamon-brown, 

 rather thin, 1-1.5^; pores 2 in each cell, near the septum. 

 Host plants: 



For the aecia: Pyrus sp. (Has been cultivated on Pyrus 



sinensis Lindl.) 

 For the telia: Juniperus chinensis L. 

 Type locality: Tokyo, Japan, on Juniperus chinensis. 

 Distribution: Japan and Korea. (Recently reported in the 

 United States by Clinton on /. chinensis imported from Japan.) 

 Illustrations: Zeits. f . Pflanzenkr. 10: pi. 1-2. 

 Exsiccati: Sydow, Ured. 1287. 



27. Gymnosporangium Sabinae (Dicks.) Wint. in Rab. Krypt. 



Fl. I 1 : 232. 1884 

 Tremella Sabinae Dicks. PI. Crypt. Brit. 1: 14. 1785. 

 Aecidium cancellatum Pers. in J. F. Gmelin, Syst. Nat. 2 2 : 1472. 



1791- 

 Roestelia cancellata Rebent. Fl. Neom. 350. 1804. 

 ^.Gymnosporangium conicum Hedw. f.; DC. Fl. Fr. 2: 216. 1805. 

 Gymnosporangium fuscum Hedw. f.; DC. Fl. Fr. 2: 217. 1805. 

 Caeoma Roestelites Link, in Willd. Sp. PL 6 2 : 64. 1825. 

 Podisoma Juniperi Link, in Willd. Sp. PL 6 2 : 127. 1825. 

 Cyglides calyptratum Chev. Fl. Env. Paris 1: 384. 1826. 



Aecia hypophyllous, gregarious, on thickened discolored spots, 

 large, balaniform, 0.5-1 mm. broad at the base 

 by 1-2 mm. high; peridium soon becoming 

 cancellate along the sides, apex bluntly conic; 

 peridial cells usually seen in side view, rhom- 

 boid or linear-rhomboid, 18-23 by 66-98/x, inner 

 and side walls moderately verrucose with round- 

 ish or oval-papillae; aeciospores globoid, 23-29 

 by 26-32^, wall light chestnut-brown, rather 

 thick, 3-4/*, finely verrucose. 



Telia caulicolous, causing very slight or no 

 enlargements, conic or laterally compressed, 

 6-10 mm. or more long, often somewhat lacu- Fig. 23. G. Sa- 

 nose, chestnut-brown; teliospores 2-celled ellip- binae. 

 soid, 19-30 by 37-48/t, usually narrowed at 

 both ends, usually slightly constricted at the septum, wall cinna- 

 mon-brown to light chestnut-brown, 2—3^ thick; pores 2 in each 

 cell, near the septum. 



