54 



NOTICES OF NORTH AMERICAN FUNGI. 



* Puccinia saxifragaxum. SchleoJit.— On leaves of Tiarella. 

 Canada, Poe. No. 6128. 



Spores 'OOIS long, much shorter and differently shaped from 

 those of the last, though the species is very nearly allied. 



* Puccinia pzunorum. Lh. — On Cerasus serotina. Car. Inf. 

 No. 3186. On plum. No. 2689. Texas, C. Wright. No. 3904. 



550. Puccinia lobata. B.&C. — Sporis longe pedicellatis demum 

 mitrseformibus episporio hyalino crasso. 



On Sida lepidota. Texas, C. Wright. No. 6400. 



Spores with very long pedicels, at length divided above so as to 

 be mitra^form ; episporium thick and hyaline. It is in fact the 

 episporium which divides at the apex. 



551. Puccinia Waldsteini3e . Curt. — Maculis parvis roseis ; soris 

 magnis utplurimum solitariis ; sporis sursum incrassatis obtusis- 

 simis ; pedicellis fuscis. 



On leaves of W. fragarioides. New York, C. E. Howe. No. 

 6504. 



Spots rose-coloured ; soii large, generally solitary, firm ; spores 

 very obtuse, strongly constricted, upper cell large ; pedicel brown. 



* Puccinia gentianse. Strauss.— Whcou^m, Dr. Sartwell. No 

 3262. 



552.— Puccinia Ledi. B. 8f C. — Maculis nullis ; soris irregulari- 

 bus congestis epidermide tectis ; sporis pallidis, pedicellis elongatis 

 crassis flexuosis. 



On leaves of Ledum latifolium. New Ham'pshire, Sprague. No. 

 5771. 



Epiphyllous, sori pale minute, often hysteriiform, nearly covered 

 with the cuticle ; spores oblong, linear, obtuse springing from thick 

 hyaline pedicels which are attached to a cellular base. Sometimes 

 two spores are borne by the same pedicel. This curious species at 

 first looks like some Uredo. 



553. Puccinia cxassipes. B. Sf C— Hypophylla ; maculis obso- 

 letis ; sporis pedicellis ^quatis brevibus obtusis centro constrictis 

 uninucleatis. 



On leaves of Ipomcea triclioearpa. Santee Canal, Ravenel. No. 

 1656. 



Spots obsolete ; spores as long as the pedicel, obtuse, con- 

 stricted in the centre, uninucleate. The spores are very different 

 from those of P. Convolvuli, where the upper cell is much the 

 broader, and very obtuse. 



554. Puccinia gonolobi. Rav. — Hypophylla; maculis flavis, soris 

 circinantibus ; sporis brevibus utrinque obtusis medio constrictis, 

 pedicellis basi ssepe obliquis. Puccinia cynaiichi, Schwein. MSS. 

 (Surinam.) 



On leaves of Gonolobus. Santee Canal. No. 1671. Ravenel. 



