260 EORRAGINACEAE 



WARE ; Chester ; Montgomery ; Lancaster ; Lebanon : Dauphin ; 

 FRANKI.IN ; Huntingdon ; Susquehanna ; Somerset ; Ahegheny. 



3. Myoaotis arvensis (L.) Lam. Field Scorpion-grass or Mouse- 

 Ear. (Man. p. 772 ; I. F. /. 3040,) In fields, N. B. to Out. aud Minn., 

 south to W. Va. Also ia Eu. — Pennsylvania : Northampton; Frank- 

 lin ; Lancaster. 



4. Myosotis versicolor (Pers.) Reichenb. YELLOW OR BLUE Scor- 

 PION-GRASS. (Man. p. 773; I. F. /. J041.) In fields and along road- 

 .sides, southern N. Y. to Del. Nat. of En. — Pennsylvania : Delaware, 

 Tinicum. 



5. Myoaotis Virginioa (L. )B.S. P. Spring Scorpion-grass. (Man. 

 p. 773; I. V. f. 304.2.') On dry hills and banks, Me. to Ont., Minn., 

 Ga. and Tex. — Pennsylvania: Northampton; Bucks; Philadel- 

 phia ; Lancaster ; Franklin ; Allegheny. 



7. LITHOSPERMUM L. 



Corolla white or rarely yellow-tinged : calyx as long as the corolla-tube or 

 longer : flowers separated. 

 Annuals or biennials : nutlets brown, wrinkled and pitted, i. L. arvense. 

 Perennials : nutlets white, smooth and shining. 

 Leaf-blades of a lanceolate type. 2. L. officinale. 



Leaf-blades of an ovate or oval type. 3. L. latifolium. 



Corolla decidedly yellow : calyx shorter than the corolla-tube. 

 Corolla-tube bearded at the base within. 4. L. Gmelini. 



Corolla-tube not bearded at the base. 5. L. canescens. 



1. Iiithospermum arvense L. Corn. GromwELL. (Man. p. 773; I. 

 F. /. 3043.) In waste places and fields, Quebec to Mich., Ga. and Kans. 

 Nat. from Eu. — Pennsylvania : Monroe ; Northampton ; Bucks ; 

 Philadelphia ; Delaware ; Chester ; Lancaster ; Franklin ; Al- 

 legheny. 



2. Lithoapermum oGBcinale L- GromwELL. (Man. p. 774 ; I. F. /. 



3044.) In fields and waste places, Ont. to N. Y., west to Minn. Nat. 

 from Eu. — Pennsylvania : Susquehanna. 



3. Lithospermum latifolium Michx. American Gromwell. (Man. 

 p. 774 ; I. F. /. 304J.) In dry fields and thickets, Ont. and western N. 

 Y. to Minn., Va., Kans. and Ark. — Pennsylvania: BERKS; Lancaster; 

 Franklin ; Huntingdon ; Fayette ; Allegheny. 



4. Lithoapermum Gmellui (Michx.) A. S. Hitchcock. Hairy Puc- 

 COON. (Man. p. 774 ; I. F./. 304/.) In dry woods, N. Y. to Fla., Minn., 

 Mont., Colo, and N. Mex. — Pennsylvania : Erie, Presque Isle. 



5. Lithospermum oaneacena (Michx.) Lehm. Hoary Puccoon. 

 (Man. p. 774 ; I. F. / 304S.) In dry soil, Ont. to N. J., Ala., the N. W. 

 Terr., Kans. aud Ariz. — Pennsylvania : Northampton; Chester ; Lan- 

 caster ; LEBANON ; Huntingdon ; Centre. 



