GYMNOSPORANGIUM 



305 



/Ecidiospores. yEcidia clustered on yellow or orange thick- 

 ened spots on the leaves, fruits, and stems, cylindrical, up to 



Fig. 230. G. clavariae forme. /Ecidia (Rnestelia) on leaf, fruit and branch of 

 Hawthorn (reduced) ; a, peridium x 16. The fruit and gall on branch are 

 shown as they appear when the peridia are old and the mass looks some- 

 what like a honey-comb. 



•2h mm. high, fimbriate above, at length lacerate to base, pale- 

 brown ; spores verruculose, brownish, about 28 — 30 jx ; pores 

 8 — 10, scattered. 



Teleutospores. Spores collect- 

 ed in long, cylindrical, conical, 

 ribbon-like or tongue-shaped masses 

 about 1 cm. long, which are at first 

 firm, then gelatinous, finally horny 

 when dry, pale-orange, protruding 

 from fusiform swellings m of the 

 branches ; spores fusiform, varied 

 much in length and breadth, from 

 thick- walled, 50—60 x 15—21 /*, to 

 thin-walled, 100—120 x 10—12^, 

 rounded or attenuated above, 

 hardly constricted, tapering gradu- 

 ally below, smooth, dark yellowish 

 or pale-brown ; germ-pores two in Fig. 231. G. clavariaeforme. 

 each cell; ped.cels hyaline, very *££ J* SftSSSS (Z 



long. duced) ; teleutospores x G00. 



G. u. 



20 



