392 SIGNS. 



"21 Perennial herb. 



*) Suffrutex, an undershrub. 



*> Frutex, a shrub. 



5 Arbuscula, a tree-like shrub of ten to twenty-five feet in height 



5 Arbor, a tree. 



r\ A climbing plant. 



A An evergreen. 



$ Male plant or flower. 



9 Female plant or flower. 



"5* Hermaphrodite plant or flower. 



00 Indefinitely numerous, e. g. co-andra, polyandrous. 



? A sign of doubt. " Thalictrum ? Japonicum," doubts if the plant is 

 really a Thalictrum. " Thalictrum Japonicum, Thunb.? " doubts if the 

 plant in hand is truly the species of Thunberg. Thalictrum Japoni- 

 cum, Thunb., Willd.? doubts whether Willdenow's T. Japonicum is 

 really that of Thunberg. 



1 A sign of certainty. As " Thalictrum anemonoides, Michx. ! Fl. Bor. Am. 

 p. 322," as used by DeCandolle, affirms that he has seen an authentic 

 original specimen of this author. Affixed to the name of a collector, 

 as " Virginia, Clayton ! " it affirms that the writer has examined a 

 specimen collected by the person to whose name it is appended. 



- Between two figures, as in " Stamens 6-10," indicates the extremes of 



difference, as that the stamens are from five to ten. 



' " The signs for degrees, minutes, and seconds, as 1, 2', 3", are used in 

 Gray's Manual of Botany of the Northern United States, for feet (), 

 inches ('), and lines ("). With European authors, usually the sign 

 for minutes is for feet ; that of seconds for inches : thus V, a foot 

 high ; 1", an inch long ; and I'", a line long. 

 O= Cotyledons accumbent to the radicle. 

 O II Cotyledons incumbent on the radicle. 



