176 CALIFORNIA ACADEMY OF SCIENCES. 



Sph.erella umbellularle Cke. & Hk. — On leaves of 

 Umbel hdaria Calif ornica, Santa Cruz, June. 2569. 



Meliolopsis heteromelis Cke. & Hk. — On leaves of Het- 

 eromeles arbutifolia. Sunol, April. 2425. 



Capnowum heteromelis Cke. & Hk. — On leaves of Hetero- 

 meles arbutifolia, Sunol, April. 2425. 



Capnodium Rhamni Cke. &, Hk. — On leaves of Rhamnus 

 Calif ornica, Mt. Diablo, May. 2482. 



Capnodium tuba Cke. & Hk. — On leaves of Umbdlularia 

 Californica, Palo Alto, April. 2395. 



NOTES ON NOMENCLATURE. 



BY H. W. HARKNESS. 



The following generic names requiring rectification have 

 been noted from time to time as they attracted our atten- 

 tion. 



It is hoped that in all cases the necessary change of the 

 generic name may be attended by the revision of the species 

 belonging thereto, in order to prevent as much as possible 

 the increase of synonymy. 



I. Identical names, of which the latest must give way. 



Antennaria Gaertn. Fruct. ii. 410. (Composite) 

 Antennaria Link, in Schrad. Jour. iii. 16, p 109. (Fungi) 

 Hedwigia Ehrh. in Hannov. Mag. 1781. (Musci) 

 Hedwigia Swartz, Fl. Ind. Oc. ii. 670. (Bursereae) 



L^istadia Kunth, in Less. Gen. Comp. (Compositae) 

 L^estadia Auersw. in Hedwigia, 1869. (Fungi) 



Phyllactinia Lev. Ann. Sc. Nat. 1851. (Fungi) 

 Phyllactinia Benth. Gen. Plant, ii. 1876. (Compositae) 



