214 MONOECIA. POLY AND Rl A. 



ture of insects, common to different species of this genus, 

 affbrd also a black colour to the dyer.) 



§ I. Fructification biennial; leaves setaceously 

 mucronate. ■ 



f L; aves mostly entire. 

 Species. 1. Q. Phellos. (Wiilow Oak). 2. cinerea. 

 (Grey O.ik, Upland Willow 0;:k ) 3. pn^nila, Mich. Q. 

 sericea, Willd. Scarcely more than a swamp variety of 

 the preceding-, but seldom more than a foot high, while 

 cinerea usually becomes a small tree. (Running O.tk.) 



4. virens. The Live Oah, of slow growth like Q. Robur 

 of E irope, produces ship-timber which is said to be 

 equiilly durable. It is occas onally cultivated in the mari- 

 time parts of South Carolina, prcducin^' the mo.st ma,i^ni- 

 licent and important vistas- TliKnig-h tlie avidity of a 

 temporary conmierce it has been erad.Cated from exten- 

 sive districts, without the interposition of either privaie 

 or public caution for its renewal, althout^h tlie soil in ma- 

 ny places is scarcely calculated for any other production. 



5. mariiima. Obs. Shrubby, leaves s-mperviren', often 

 sinuately toothed, smooth^ and of the same colour on both 

 sides. '(Marine Oak.) 



6. myrtifolia. Leaves sempervirent, small and coriace- 

 ous, oblorig-obovate, awnless, smooth, acute at either ex- 

 tremity, above siiining- and reticulately veined, margin 

 revolute. Hab. On Cumberland island, Florida. — Mr. 

 Kin. no. s. In Herb. Collins. Leaves scarcely larger than 

 those of Box; the fruit still unknown. 7. imhricaria, 

 (Shingle Oak.) An occidental species. 8. laurijoha. -f- 

 A very doubtful species. 



t f Leaves toothed or shortly lobed. 



9. agrifolia. Indigenous to the Xorih West Coast of 

 America. lO. heterop/iylla. ( Bartram's Oak.) May not 

 this be an anomalous variety of coccinea? 11. hemispJice- 

 rica. BasTtram. Willd. also Q. af/iia(ica, Willd. /3. -ncma, Q 

 7i(inu, Willd- 12. nigra, |3. * pumila. Subarboresceiit; 

 glands very small, v. v. In Bartram's garden^also in New- 

 Jersey. 13. tinctoria. 14. cliKCoIor. 



f f f Leaves deeply sinuated and lobed. 



\5./:ocdnea. 16. ambigiia. 17. n/*'-a. (Red Oak) 18. 

 Catssbxi. Leaves subsessile. (Barren Scrub (Jak.) Hab. 

 in the most sterile, sandy forests; from Virginia to Flori- 

 da. 19. /a/ra/a. (Spanish Oak.) /3. triloba. Q. triloba, Willd. 

 %Q. pabii-tris. (Swamp Spanish Oak.) — Lower branches de= 



