58 AmenDxMent and completion of 



Examples. — Perithamnion J. Ag. Anal. Alg. 28 (1892) is typi- 

 fied by F, ceratnioides J. Ag., as it is the only species figured ; Leptostroma 

 Fr. Obs. Myc. I : 196 {1815) is typified by L. xylomoides Fr, loc. cit. 

 pL I. f. 6a, b, the only species figured ; Lespedeza Michx. Fl. Bor.-Am. 2 : 

 70 (1803) is typified by L,procumbens Michx. loc. cii, pi. J9, the species 

 first figured ; Stigniatea Fr. Sura. Veg. Scand. 421 ( 1849) is typified by 

 ^. Roberdani Fr., the fourth species, as there are no species figured and 

 this is the first in the list accompanied by the citation of a specimen in 

 published exsiccalae, Scler. Suec. F.xsic, no. 42^. 



4^, Wh 



species are included in 



the same genus with foreign species, the type is to be 

 selected from (i) the economic species or (2) those indig- 

 enous from the standpoint of the original author of the 



genus. 



Examples, — Cc?r^///;/a L. Syst. Nat. 805 (1758) is typified by 

 Corallina officinalis L., a species of economic importance at the time of 

 Linnaeus J Agaricus L. Sp. PI. 1171 (1753) is typified by Agarints 

 campestris L., the most important economic species of the genus ; Poa L. 

 Sp. Fh 67 (1753) 5s typified by /*. pratemis L., the first of the economic 



the species indigenous from the standpoint of the author. 



# 



5°. The types of genera adopted through citations of nonbi- 



nomial literature (with or without change of name) are 

 to be selected from those of the original species which 

 receive names in the first binomial publication. The 

 genera of Linnaeus' Species Plantarum (1753) are to be 

 . typified through the citations given in his Genera Plan- 

 tarum (1754). 



Examples. — Phallus L. Sp. PI. 1178 (1753), ^ genus adopted in 

 a more extended sense from Micheli, is typified by Phallus impudicus L., 

 the only species common to the genus Phallus of both authors ; Riccia L, 



Sp. P!. 1138 (1753), a genus adopted in a more restricted sense from 

 Micheli, is typified by Riccia crystallina L,, which is the first in Linnaeus 

 of the species common to both authors; Polytrichiim L. Sp. PI. 1109 

 ( * 753 ) f a genus adopted from Dillenius, is typified by Polyirichum commune 

 L., the first in Linnaeus of the species common to both authors ; Cypri- 

 ptdiuni L. Sp. PI. 951 (1753), a genus adopted from Tournefort with a 

 change of his name Calceolus, is typified by Cypripedium CalceoluSj theonly 

 species common to both authors; Seselil^. Sp. PI. 259 (1753), a genus 

 adopted from Boerhaave, is typified by the second species of Linnaeus, Seseli 

 monfanum, which is the first in Linnaeus of the species common to both 

 authors ; Silene'L. Sp, PL 416 (1753), a genus adopted from Dillenius with 

 a change of his name Viscago^ is typified by Silene anglica^ the first in Lin- 

 naeus of the thirteen species figured by Dillenius ; Fritillaria L. Sp. PI. 303 

 (l753)> ^ genus adopted from Tournefort, is typified by the fifth species of 



