82 CATALOGUE OF 



Pfrus coro7iaria, Linn. Crab Apple, r-iv. M. h 15—20 ft. 



Woods. 

 QuERcus nigra, Linn. Black Jack. M. 1? 20—30 ft. Woods. 

 Q. coccinea, Wm. Scarlet Oak. M. h 70—80 ft. Woods. 

 Q. rubra, Linn. Red Oak. M. k 70—30 ft. Woods. 

 Q. lannistcri, Mx. Scrub Oak. M. I2 4—8 ft. Dry hills. 

 Q. alia, Linn. White Oak. M. h 70—80 ft. Rich woods. 

 Q. prinos, Linn. Swamp Chestnut Oak. M. h CO— 70 ft. Low 



woods. 

 Q. virens, Ait. Live Oak. M. h 40—60 ft. Said to grow on the 



sea-shore. 

 q. phellos,U\m. Willow Oak. M. I2 40— 50 ft. Swampy woods. 

 Q. tinctoria, Willd. Quercitron Oak. M. h 60—70 ft. Woods. 

 Q. palustris, Du Roi. Pin Oak. M. h 40—60 ft. Swampy woods. 

 q^. c7unqucipin,Fh. Dwarf Chestnut Oak. M. Tj 3— 6 ft. Barren 



hills. 

 QuERiA canadensis, Linn. to. Ju. © 6 — 12 i. Dry woods. 

 Ranunculus j:,MsiZZj<s, Poir. y-io. Ju. 5/ 6 — 12 i. Wet meadows. 

 B.. abortivtis, Unn. y. Ju. % 12 — 18 i. Meadows. 

 R. sceZeraitiis, Linn, y. 3. 21 12 — 18 i. Wet ditches. 

 R. /ascicwZam, Muhl. y. h^. 2/ 6 — 10 i. Woods. 

 R. re^cjis, Linn, y- M. 21 1 — 2 fi. Wet meadows. 

 R. acris, Linn. Butter-cup. y. M. 1 — 3 ft. Meadows. 

 R. recurvatus, Poir. y. J. 2/. 1 — 2 ft. Shady woods. 

 R.Jliiviatilis, Willd. lo. y-io. J. 2^ Water. Stem submersed. 

 Rensselaeria virn^Miica, Bk. J. 2/. 10 — 15 i. Swamps. Lecontia 



virginica, Cooper. 

 Rhabinus ahiifolius, L'H. g. M. 12 2 — 5 ft. Swamps. 

 Rhexia virginica, Linn. 2^- J"- -^ ^ — -0 i- ^^^ meadows. 

 R. jjiariana, Linn. iv-r. Ju. 2/ 1 — 2 ft. Meadows. Eastern Shore. 



V. s. 

 Rhododendron maximum, Linn. r. r-io. Ju. \i 5 — 20 ft. Rocky 



banks of Potomac. 

 1\hvs typhina,hinn. g-y. Ju. h 8 — 15 ft. Rocky banks. 

 R. glabra, Linn. g-y. Ju. \i 6 — 12 ft. Fields. 

 R. co;)a7/i7ia, Linn. g-y. Ju. Ij 4 — 10 ft. Bushy fields. 

 R. rfr?(Ki7, Linn. Poison Ash. g-y. Ju. Jj 8 — 15 ft. Swamps. 

 R. ioxicodcndron, Linn. Poison Vine g. Ju. ij Swamps. Rooting 



on trunks of trees. 

 Ruyncospora aZZ'a, Vahl. Ju. 21 J2 — 18 i. Grassy swamps. 

 R. ^Zo7»era<a, Vahl. Ju. 2/ 12 — 18 i. Boggy swamps. 



