58 The Vegetation of' tuM 



EuphortaiacesB. In N. Am. 17 Gen. 164 Spec. 



Euphorbia maculata L. roadsides, waste places, fields X. 10 Atl.— Cal. G. — 



Can. 

 Euphorbia hypericifolia L, (Preslii Ouss.) bottom fields VIII. 8 Atl.— 



N.Mex. G.— Can. 

 Euphorbia dentata Michx. bottom III. 4 Pa.— Up.Miss. La.— Sonora. 

 Euphorbia heterophylla L. banks, hillsides IV. 5 Up.Miss.— Mex. 

 Euphorbia coroUata L. prairies, hillsides VII. 7 N.Y.— Up.Mo. Fla.— Mex. 

 Euphorbia commutata Engelm, sandy banks I. 3 Va.— Fla.- Up.Miss. 

 tEuphorbia obtusata Ph. woods I. .3 Vt.— S.Ca.— R.Mts. 

 Acalypha virginica L. bottom, woods VII. 8 Atl.— N. Mex. G.— Can. 

 Croton glandulosus* L. sandy soil I. 3 Va.— Up.Miss. La.— W.Tex. 



UrtioacesB. In N. Am. 13 Gen. 24 Spec. 



Ulmus fulva Michx. woods, bottom V. 3 Can.— N.Fla.— Tex.— Up.Mo. 

 Ulmus americana L. woods, bottom VIII. 8 jST.E.— Fla.— R.Mts.— 52° N.L. 

 Celtis occidentalis L. woods, bottom III. 5 Can.— Up.Mo. Fla.— Tex. 

 Morus rubra L. woods VI. 4 N.E.— Up.Mo. Fla.— Tex. 

 Urtica gracilis Alt. bottom V. 4 N.E.— AH.— N.Mex,— Cal. Or. 

 Laportea canadensis Gaud, bottom V. 6 Atl.— Up.Mo. G.— Can. 

 Pilea.pumila Gr. shady woods V. 6 Atl.— Up.Mo. G.— Can. 

 Bohmeria cylindrica Willd. bottom III. 4 Atl.— W.Tex. G.— Can. 

 Parietaria pennsylvanica Muhl. shady woods 111.^8 N.E.— All.— N.Mex.— 



Up.Mo. 

 liumulus lupulus L. copses, bottom III. 4 N.E.— All.— N.Mex. R.Mts.- 



Sask. 



PlatanacesB. In N. Am. 1 Gen. 3 Spec. 



Platanus occidentalis L. woods, bottom VI. 5 N.E.— Up.Miss. Fla.— Tex. 

 JuglandacesB, In N. Am. 2 Gen. 12 Spec. 



Juglans cinerea L. woods V. 4 N.Br.— Up-Miss. All. (Ga.)— Ark. 



Juglans nigra L. woods V. 5 N.E.— Up.Miss. Fla.— Tex. 



Carya olivae formis Nutt. woods, bottom III. 3 Up.Miss. W.Ky.— La. — Tex. 



Carya alba Nutt. woods VIII. 8 Can.— Up.Miss. W.Fla.— Tex. 



Carya tomentosa Nutt. woods VI. 5 Can.— Up.Miss. Fla.— Tex- 



Carya sulcata Nutt. woods, bottom I. 3 Pa.— Up.Miss. — Ark. 



Carya porcina** Nutt. woods I. 2 N.E.— Up.Miss. Fla.— Tex. 



Carya amara Nutt, woods VI. 6 N.E.— Up.Miss. Fla.— Tex. 



OupulifersB In N. Am. 7 Gen. 46 Spec. 



Quercus alba L. woods X. 8 N.E.— Up.Miss. Fla.— Tex. G. — i6° N.L. 

 QuercuB macrocarpa Michx. woods, bottom V. 5 N.Br.— Up.Mo. N.Ca — 



W.Tex. 

 Quercus bicolor Willd. woods, bottom II. 5 N.E.— All. (Ga.)— Ark. Up.Miss. 

 Quercus prinoides Willd.(Qu.prinus acuminata Michx.) woods IV.|4 N E — 



Up.Miss. AIL— W.Tex. 

 Quercus imbricaria Michx. woods IV. 4 Ta.— Up.Miss.— AH.— (Ga.) 

 Quercus nigra L. woods I. 2 N.Y.— Up.Miss. Fla.— W.Tex. 

 Quercus coccinea Wang, woods VIII. 6 N.E.— Up.Miss. All.— Fla. 

 Quercus rubra L. woods VI. 5 N.Scot.— Up.Miss. Fla.— Tex. 



♦From the locality on which Croton glandulosus was found only a few years ago frallroad 

 track) It may be concluded that it might be an Immigrant from the southern part of Illinois. 



**Carya poroina^No doubt single trees exist in the neighborhood, although I have not sppn 

 such; for amongst the nuts of the pommon hicliory, brought to market, single niits of tlie tree were 



DSCi V^- tl • 



