202 NORTH AMERICAN FLORA [V01.UME 7 



becoming much higher on side walls and extending clear across, the outer wall 1.5-2 ju thick, 

 the inner and side walls 5-7 m ; aeciospores globoid, 18-21 by 19-23 ju ; wall pale cinnamon- 

 brown, 1.5-2 IX thick, very finely verrucose. 



On Malaceae : 



Pyrus sp., Korea (cultivated on Pyrus sinensis Lindl.); not recorded for America. 



III. Telia caulicolous, from a perennial mycelium, appearing on gradual fusiform 

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

 below, 3-5 mm. high, cinnamon -brown ; teliospores 2-celled, ellipsoid, 18-22 by 57-66m, not 

 or very slightly constricted, usually narrowed above and below ; wall pale cinnamon-brown, 

 rather thin, 1-1.5 /i, the pores 2 in each cell, near the septum ; pedicel uniform, 4-6 )li 

 in diameter, very long. 



On Juniperaceae : 



Juniperus chinensis L., Connecticut. 



Type locality: Tokyo, Japan, on Juniperus chinensis. 



Distribution ; Found in Connecticut on plants imported from Japan ; also in Japan and 

 Korea. 



Illustrations : Zeits. Pflanzenkr. 10 : pi. 1-2 ; Bull. N. Y. Bot. Card. 7: 460, /. 22. 



22. Gymnosporangium transformans (Ellis) Kern, Bull. N. Y. 



Bot. Gard. 7 : 463. 1911. 



Roestelia transformans Ellis ; Peck, Bull. Torrey Club 5 : 3. 1874. 

 Aecidium transformans Paz.; Rab.-Paz. Fungi Eur. 4238. 1901. 



0. Pycnia chiefly epiphyllous and fructicolous, gregarious, rather crowded, in small 

 groups 0.5-1 mm. across, on discolored spots 2-7 mm. across, noticeable, honey-yellow 

 becoming brownish, globoid, rather large, 144-170^ in diameter by 112-150 ju high ; ostiolar 



w 



filaments 60-75 ju long. 



1. Aecia hypophyllous, caulicolous, and fructicolous, occasionally solitary, usually gre- 

 garious, sometimes few together but more often aggregate in large groups, borne in gall- 

 like, frustum-shaped protuberances (1-2 mm, high) of a reddish-brown color and more or 

 less consolidated at the bases in the groups, at first cylindrical, 2-2.5 mm. high by 0.2-0.4 

 mm. in diameter ; peridium soon becoming finely fimbriate to base, partially dropping away, 

 the remainder spreading and twisted; peridial cells usually seen only in side view, very long 

 and narrow, hygroscopic, becoming curved or even coiled when wet, 12-18 \i thick by 150-300^ 

 long, or more, in the sides of the peridium, much shorter toward the apex, the outer wall 

 rather thin, 2-3 /t, smooth, the inner wall 4-6 m thick, rather coarsely verrucose, the side 

 walls verrucose on inner half with roundish or somewhat irregular papillae, more thickly 

 crowded toward the inner side, the outer half of the side walls smooth ; aeciospores globose, 

 small, 18-22 /i in diameter ; wall light cinnamon-brown, 1.5-2.5 /z thick, rather finely verru- 

 cose, the pores 6-8, scattered. 



On Malaceae : 



Aroma arbutifolia (I^. f.) Ell. {Pyrus arbutifolia I/, f.), Massachusetts, New Jersey. 



III. Telia unknown. 



Type locality : Newfield, New Jersey, on Pyrus arbutifolia. 



Distribution : Small area along the Atlantic coast from Massachusetts to New Jersey. 

 Illustrations : Bot. Gaz. 49 : pi. 21, f. 7 ; Bull. N. Y. Bot. Gard. 7 : 463, /. 25. 

 Exsiccati : ElHs, N. Am. Fungi 1088 ; Seym. & Earle, Econ. Fungi 247, 247a; Roum. Fungi 

 Sel. 4533 ; Thiim. Myc. Univ. 1029; Rab.-Paz. Fungi Eur. 4238. 



23. Gymnosporangium clavariaeforme (Jacq.) DC. Fl. 



•Fr. 2 : 217. 1805. 



Tremella clavariaeform.is Jacq. Coll. 2 : 174. 1788. 

 Tremella ligularis Bull. Herb. Vx.pl. 427. 1788. 

 Tremella digitaia Vill. Hist. PI. Dauph. 3: 1007. 1789. 

 Aecidium laceratum Sow. Engl. Fungi ^/. 318. 1801. 

 Aecidtum Oxyacanthae Pers. Syn. Fung. 206. 1801. 

 Cyglides laceratum Chev. Fl. Paris 1 : 384. 1826. 

 Podisoma ligulatum Chev. Fl. Paris 1 : 423. 1826. 

 Tremella juniperina Wahl. Fl. Suec. 994. 1826. 

 Podisoma clavariaeform.e Duby, Bot. Gall. 2 : 881. 1830. 

 Podisoma Juniperi -communis Fries, Syst. Myc. 3 : 508. 1832. 



