OF ARTS AND SCIENCES. 53 



cult genus, and bring forth the materials and the observations needed 

 to dispel the many remaining doubts, the author may perhaps here- 

 after find an opportunity of publishing, in the New World, a complete 

 monograph of the North American Salices, and thus " redit ad Domi- 

 nmn quod fuit ante suiim" 



' A. AMEEINA, Fries. 



I. AusTRALES. — Htec tribus, staminibus numerosis, filamentis sub- 

 fasciculatis basi sa3pius hirsutis, antheris minutis rotundatis, squa- 

 mis rotundatis tomentosis, capsulis plus minus longe pedicellatis 

 et ovato-globosis, nectario subcirculari insignis, Amygdalinis om- 

 nino analoga, regionibus meridionalibus et tropicis fere priva 

 videtur. Hue pertinent species omnes Africa et Americte Au- 

 stralis indigence, Indise Orientalis et Persia plerjeque (^S. tetra- 

 sperma et affines) ; nonnullce {S. Humholdtiana, S. Bonplandiana, 

 S. Hartwegi, etc.), Americam Centralem transgredientes, etiam 

 Mexico australem incolunt. 



1. S. NIGRA, 3Iarsh. ; Hook. Fl. Bor.-Am. 2, p. 198 ; J. Carey in 

 Ch'ay, Man. ed. 2, p. 417. S. ambigua, Pursh. S. Houstoniana, Pursh. 

 S. Caroliniana, Michx. S. falcata, Pursh (S. Purshiana, Spring. S. 

 ligustrina, Jlichx.f.). 



2. S. LONGiPES, Shtittleio. ined. : pentandra ; amentis lateralibus 

 pedunculatis laxis ; pedunculo foliate ; capsulis ovato-globosis glabris, 

 pedicello nectarium sexies superante ; stylo subnullo ; stigmatibus 

 brevibus indivisis ; foliis lanceolato-oblongis demum glabris subtus 

 glaucis reticulato-venulosis exstipulatis. 



Var. PUBESCENS (S. gongylocarpa, Shuttleio.) : capsulis subcrassi- 

 oribus fere longius pedicellatis ; foliis utrinque hirsutis.* 



Hab. Prope St. Mark's, Florida, Rugel. 



Utraque forma non parum cum priori congruit, multis autem notis 

 (foliis exstipulatis, etc.) ab ea differt. 



3. S. AMYGDALOIDES, n. sp. : triandra ; amentis lateralibus pedun- 

 culatis rigidiusculis ; pedunculo foliate ; capsulis ovato-conicis glabris, 

 pedicello nectarium sexies superante ; stylo subnullo ; stigmatibus bre- 



* This is the S. subvillosa, Ell. in Herb. Schweinitz, ex Nutt. N. Am. Si/lva, 1, p. 79, 

 — a work to which Prof. Andersson had not access, — also mentioned in Ell. Bot. 

 S. Car. Sf Georg. 2, p. 671, under S. nigra. A. G. 



