418 REVIEWS AND BOOK NOTICES. 



Filicum he would not have written "3780 Botrychium, virginicum 

 Swartz, that author and his predecessor Linne having written 

 virginianum. It is difficult to understand upon what principle au- 

 thor's names have been attached to varieties. " Aspidium aculea- 

 tum Var., Braunii, Koch" may be correct so far as it goes, as 

 correct as if Mr. Robinson had attached Eaton's, A. Wood's, or 

 his own name as the authority, but a reference to Koch's flora 

 would have shown that that author simply quoted Doll who reduced 

 Spinner's A. Braunii to a variety of A. aculeatum. So also of 

 "Aspidium spinulosum Var., dilatatum Gray," the fact (if I may 

 use the word in this sense) was published by Roth in 1797, and the 

 name by Hornemann in 1827. In two other cases Mr. Robinson 

 has gone to the opposite and more misleading extreme, "Aspidium 

 cristatum Var., Floridanum Hooker," and "Aspidium spinulosum 

 Var., intermedium Willdenow." These authors described the 

 plants as good species ; Professor Eaton reduced them to varie- 

 ties, and should have been quoted as the authority in accordance 

 with the "laws of botanical nomenclature" adopted by Mr. 

 Robinson. 



3745c. Var. Boottii is the correct orthography, the plant having 

 been named by Prof. Tnckerman after the late Mr. William Boott. 

 The arrangement of B. Ternatum is not Swartz's, and scarcely 

 Milde's. The latter author combined three Swartzian species rut- 

 aceum Svensk. Bot. t. 372, fig. 2), lunarioides and ternatum under 

 Thunberg's oldest name thus — 



" Botrychium ternatum (Thunb.) " » Milde Monog. Botrycb. p. 

 146 in Z. V. B." 



" A. Europoeum " (Rabenhorst, No. 80). I have numerous American 

 species of this variety, the B. rutatfolium A. Br. 



"B. Australasiaticum " (Kunze t. 155; Hook. Fl. Tasman. t. 169). 

 This is the true ternatum and is not N. American so far as I 



Bernhardi's so-called genus Allosorus is here dropped in favor 

 of Gryptogramme ; Prof. Eaton would have done well to have 

 sent Cystopteris into limbo with it. Wliere space abounds au- 

 thor's names need scarcely be contracted. 



We trust Mr. Robinson may find it necessary soon to issue a 

 second edition. — D. A. Watt. 



