NOTICES OF NORTH AMERICAN FUNGI. 155 



484. Pestalozzia unicolor. B. $ C. — Pustulia mmutissimis ; 

 Bporis oblongis utrinque leviter attenuatis triaeptatis hyalinis. 



On juniper. New England. Sprague. No. 6324. 



Pustules extremely minute, situated on tin; grey fibres of the 

 exposed wood ; Bpores oblong, slightly attenuated at either end, 

 .001 long, very pale. 



485. Pestalozzia stictica. B. J; C. — Pustulis niinutisshnis ; sporis 

 subdolii lorn li bus biseptatis. 



On leaves of Platanus occidental is. Santee River. No. 1G38. 

 On leaves of Tilia. Alabama, Beaumont. No. 4608. 



Pustules very minute ; spores swollen in the middle, with two septa, 

 exclusive of those which separate the highly developed crest and 

 the short pedicel. The dark part, .000 u" long and almost as much 

 wide. 



486. Pestalozzia torulosa. B. <L- C. — Pustulis parvis, sparsis, vel 

 e macula nigra oriundis ; sporis biseptatis torulosis. 



On seeds of water melon. Car. Inf. No. 5035. 



Pustules minute, scattered, or springing from a black spot; 

 spores with two septa, exclusive of those which separate the crest 

 and pedicel, strongly constricted at the articulations, .001-. 0015 

 long, the upper and lower joints sometimes brown. 



487. Pestalozzia hysteriifoxmis. B. <$• C. — Pustulis minutis e 

 macula arida decolorata oriundis; sporis breviter fusiformibus ; 

 biseptatis pedicellis hyalinis elongatis. 



On leaves of Quercus nigra. 



Pustules minute, springing from greyish discoloured concentri- 

 cally divided spots ; spores shortly fusiform, biseptate, with long 

 hyaline slender pedicels. 



488. Pestalozzia compacta. B. <£• C. — Pustulis elevatis medio per- 

 foratis ; sporis angustis triseptatis. 



On stems of hops. Car. Inf. 6030. 



Pustules distinct, elevated, perforated in the centre ; spores 

 narrow, oblong, triseptate, brown. The spores resemble those'of 

 the varieties of P. Guepini mentioned under P. funerca. 



489. P. stellata. B. § C. — Pustulis stellatis e macula alba ori- 

 undis; sporis subdoliiformibus biseptatis. 



On leaves of Ilex opaca. Car. Sup. No. 4921. 



Pustules stellate, seated on a circular white spot surrounded by 

 a black line ; spores short, swollen in the centre, biseptate ; pedicels 

 about the same length, attenuated downwards. 



490. Pestalozzia annulata. B. $ C. — Pustulis punctiformibus e 

 macula alba fusco-cincta oriundis ; epidermide centro excepto 

 tectis annulatis; sporis fusiformibus 2-3 septatis. 



On Ilex. Alabama, Beaumont. No. 4871. 



Pustules punctiform, perforated in the centre, covered with the 

 cuticle, and surrounded by a black ring, springing from a large 

 marginal white Bpot with a brown border; spores fusiform, bi- 



