58 NOTICES OF NORTH AMERICAN FUNGI. 



569a. Pileolaria brevipes. B. Sf Rav. — Pedicellis brevibus ; sporis 

 depresso globosis. 



On leaves of Elms toxicodendron. Cotoosa Springs, Georgia. 

 Eavenel. No. 1722. Alabama, Beanmonfc. No. 4020. 



Forming little specks on the underside of tlie leaves ; stem short, 

 flexuous ; spores at first globose, with three coats, then depressed 

 with a central nucleus, •00114in. diameter. 



* Graphiola Fhoenicis. Poit.—On Chamcerops humilis. Texas, 

 Wright. No. 4780. 



569&. Graphiola congesta. B. ^ Rav. — Pseudoperidiis congestis 

 elongatis. 



On Chamcerops palmetto. Coast of South Carolina. Ravenel. 

 No. 1782. 



Pseudoperidia forming a small mass, elongated. This is clearly 

 a distinct species, but it is impossible to describe it properly from- 

 the specimens before me. 



570. Thecaphora pilulaformis. B. Sf C. — Spores globoso-qua- 

 dratis echinulatis argillaceis. 



Infesting the achaeuia of some Compositce. California, Coulter. 

 Spores clay-coloured, containing four cells, echinulate. 



570fl. Thecaphora carcinodes. B. ^ C. — Soris maximis ellipticis e 

 ramulis tumentibus ; sporis globosis cellulis 4-6 hyalinis cinctis. 



On stems of Cimicifnga racemosa. Pennsylvania, Michener. No. 

 4829. 



Sori large, swelling out in elliptic masses ; spores globose, sur- 

 rounded by from four to six hyaline cells. ' 



* Cystopus candidus. Lev.— On Capsella. Car. Inf. No. 283. 

 Car. Sup. On Dentaria epiphylla. Kingston, Canada. 



571. Cystopus Amaranthi. >SpA/yeirt.— Pedicellis sursum incras- 

 satis ; sporis globosis concatenatis. 



On leaves of Amaranthus. Car. Lif. No. 1225. 

 Pedicels incrassated upwards ; spores concatenate, globose. 



* Cystopus cubicus. Mart.— On leaves of Convolvulus pandu- 

 ratus. Car. Sup. No. 551. On Ipomcea trichocarpa. Car. Sup. 

 No. 584. On Convolvulus macrorliiza. Ohio. 



* Ustilago Maydis. Lev. — On Indian corn, causing great swell- 

 ings. Car. Sup. No. 438. 



* Ustilago segetum. P. — On oats. Car. Sup. No. 254. On 

 Syntherisma sanguinale. No. 542. 



* Ustilago hypodytes. Tul. — On A rundin aria. Car. Inf. No. 

 2385. 



572. Ustilago SfXaclagani. 5— Sporis in spicis nidulantibus obo- 

 vatis Ifevibus angulatisque. 



On Panicum virgatum. Montreal, Dr. Maclagan. No. 545. 

 Not only altering the individual flowers, but making the whole 



