4 



Rules of Nomenclature 69 



Linnaeus, FritiUaria Meleagrisy which is one of the three species included 

 in Frlfillaria by both authors, and is selected from these three because it 

 is the one figured by Tournefort. 



[We seek to make the principles treated in Article 45 more 

 definite than the present wording provides for, and this can be ac- 

 comph'shed through our general method of types.] 



8. Motion to amend Article 47 so that it shall read : 

 When a species or subdivision of a species is divided into two 

 or more groups of the same nature, the name must be kept and 

 given to the division containing the nomenclatorial type. 



The nomenclatorial type of a species or subspecies is the 



specimen to which the describer originally applied the 

 name in publication. 



Examples. — Sphaeria megahcarpa Plow. Grevillea 7 : *]!> (^^J^) 

 is typified by the designation of a single specimen, no. 956, on tbe bark of 

 dead maple ; Prionolejeunea innovata Evans, Bull. Torrey Club 31 : 215 

 (1904), is typified by the designation of a specimen collecterl by Heller 



w 



in the Luquillo Mountains, Puerto Rico ; Polypodiiim marginale L. Sp. 

 PI. 1901 (1753) is typified by the designation of a specimen collected in 

 Canada by Kalm ; Stachysarenicola Britton, Man. 792 ( 1901), is typified 

 by the designation of a specimen from Staten Island, New York ; Carex 

 iniumescens Fernaldii l^oW^y, Bull. Torrey Club 20 : 418 (1893), is typi- 

 fied by a specimen collected at Cedar Swamp, Aroostook County, Maine, 

 by M. L. Fernald. 



I^. When more than one specimen was originally cited, the 



type or group of specimens in which the type is included 

 may be indicated by the derivation of the name from that 

 of the collector, locality, or host. 



'ExKUVi.KS.—Mystrosporium Cur^iszi Berk. Grevillea 3; 105 (1S74) 

 is based on two specimens, of which the one collected by M. A. Curtis is 

 the type; Jiingermannia Dicksoni Hook. Brit. Jung. //. 48 (1816) is 

 based on several specimens, of which the one collected by Dickson in Scot, 

 land is the type ; Eriogoman Porteri Small, Bull. Torrey Club 25 : 4I 

 (1898), is based on several specimens, of which the one collected by T. C. 

 Porter is the type; GaiUnrdia arizonica A. Gray, Syn. Y\. N. Am, 1' : 

 353 (1884), is based on several specimens, of which the one collected 

 by Palmer in Arizona is the type : Cenangium Magnotiae B. & C. Grevillea 

 4 : 5 (^SjS) is based on specimens from two hosts, of which the one on 

 Magnolia is the type ; Cusciita Cephalanthi Engelm. Am. Jour. Sci. 43 : 

 ' 336 (1842) is based on specimens from several hosts, of which the one 



from Cepkalanthus is the type, 



2"". Among specimens equally eligible, the type is that first 



figured with the original description, or, in default of a 

 figure, the first mentioned. 



