190 Bulletin 313 



"II. Uredinia chiefly hypophyllous, scattered, elliptical, 0.1-0.3 

 mm. broad by 0.2-0.7 mm. long, early naked, pulverulent, chestnut- 

 brown, ruptured epidermis conspicuous, urediniospores lenticular 

 or ellipsoid, 17-21 x 23-32 /*; wall light chestnut-brown, about 1.5 fi 

 thick, rather finely echinulate, the pores 2, in the upper part near 

 apex. 



"III. Telia chiefly hypophyllous, scattered, oblong, or lemon-ob- 

 long, 0.3-0.6 mm. broad by 0.4-5 mm. or more long early naked, pul- 

 vinate, dark chocolate-brown, surrounding epidermis conspicuous, 

 teliospores, clavate-oblong or clavate, 15-25 x 42-65 /x, rounded 

 above, usually narrowed below, somewhat constricted at the septum, 

 wall chestnut-brown, concolorous, 1.5-2 fi thick, thicker at apex, 7-13 

 fi, smooth pedicel nearly or quite colorless about length of spore." 



1008. Infected petiole and bud of Safnbnais sp. showing aecia. 1009. Aecio- 

 spore, 1/12. 1010. Teleutospores, 1/12, from Carex bnllata var. greenii. 



PucciNiA SMiLACis Schw. — On smilax. Described by Sydow as 

 follows : 



"Uredospore sori hypophyllous, spots orbicular or irregular, of- 

 ten confluent, for the most part brick red, scattered or irregularly 

 circinate, minute, rotund, or oblong, surrounded by ruptured epider- 

 mis, pulverulent, uredospores subglobose or ovate, delicately echinu- 

 late pale, 21-28 yu, in diameter, teleutospore sori, hypophyllous, scat- 

 tered, grouped or circinate, rotund or irregular, minute, subpulvin- 

 ate, surrounded by ruptured epidermis, black teleutospores ellipsoid- 

 oblong or oblong, apex* rotund or obtuse, thickened (15-12 /a) mid- 

 dle constricted, base rotund or slightly attenuate, chestnut-brown, 

 smooth,* 35-45 x 16-22 //,, pedicel brown, thick, long." 



1011. Infected leaf of Smilax sp. 1012. Teleutospore, 1/12. 



PucciNiA soRGHi Schw. (Pucciftia maydes Bereng). — On the 

 foliage, sheaths and stems of corn. 



"Sori of uredospores amphigenous, numerous, elliptical or spheri- 

 cal, scattered or close together, therefore confluent, convex, at ma- 

 turity swelling out or pushing out the epidermis which ruptures in a 

 longitudinal fashion, brown, becoming reddish ; uredospores glo- 

 bose, elliptical or ovate, 23-30 x 22-26 /t, somewhat verrucose, some- 

 times guttulate, at first yellowish, at length reddish-brown ; pedicel 

 short cylindrical, hyaline; sori of teleutospores of various forms, 

 for the most part linear, or oblong, prominent amphigenous, subepi- 

 dermal, white, at length, rupturing there, becoming convex, superfi- 



*0n Smilax sp. 



