B'LOWERIXO PLANTS. 51 



sericea, Marsh. (Silky-leaved "Willow.) — Low. Dist. ? 

 Babylnnica, Tourn. (Weeping Willow.) — About dwellings. 

 mtellina, Smith. (Yellow Willow.) — Do. 

 PoPULUs angulata, Ait. (Carolina Poplar.)— Low. and Mid. Dist. 

 heterophylla, L. (Cotton Tree.) — Low. Dist. 

 grandidentata, Michx. (Large-toothed Aspen.) — Mid. 



Dist. 

 dilatata, Ait. (Loinbardy Poplar.) — About settlements. 



CONIFEE.B. 



PiNus mitis, Michx. (Yellow or ahort-leaved Pine.) — Common. 



inops, Ait. (Cedar or Scrub Pine.) — Mid. and Up. Dist. 



pungens, Michx. (Prickly Pine.) — Pilot Momitain to Blue 

 Ridge. 



rigida, Mill. (Pitch Pine.) — Mid. and Up. Dist. Rare. 



serotina, Michx. (Pond Pine.) — Low. and Mid. Dist. 



Tffida, L. (Oldfield, Loblolly, & Slash Pine.)— Low. and Mid. 

 Dist. 



australis, Michx. (Long-leaf Pine.) — Low. Dist. Rare in 

 the Middle. 



Strobiis, L. (White Pine.) — Mountains. 

 Abies Fraseri, Pursh. (Balsam Fir.) — Highest mountains. 



nigra, Poir. (Black Spruce.) — Do. 



alba, Michx? (^Vhite Spruce.)— Do. 



Canadensis, Michx. (Hemlock. Sprnce Pine.) — Mountains. 

 CuPEESsus thyoides, L. (White Cedar. Juniper.) — Low. Dist. 

 Taxoditjm distichum. Rich. (Cypress.) — Do. 



" var : imbricaria, ISTutt. — Do. 

 Thuja oecidentalis, L. (Arbor Yitaa.) — Mountains. Rare. 

 JuNiPEEUs Virginiana, L. (Red Cedar.) — Common. 



