Jan., 19 15.] The Roses of Ohio. 425 



1. Fragaria americana (Porter) Britt. American Wood 

 Strawberry. Leaves thin, light green, pubescence usually closely 

 appressed and silky or sparse; inflorescence irregular and some- 

 what raceme-Hke primary branches of the cyme distinctly unequal; 

 fruit ovoid to conic. Butler, Greene, Cuyahoga, Ottawa, Auglaize, 

 Crawford, Summit. 



2. Fragaria vesca L. European Wood Strawberry. The 

 white-fruited variety. Low herbs, with the pubescence of the 

 petioles wide-spreading, that of the pedicels closely appressed; 

 inflorescence, a cyme ; fruit ovoid or hemispherical, white. Hocking, 

 Belmont. 



3. Fragaria virginiana Duch. Virginia Strawberry. Taller 

 than the above species, rather stout, villous pubescent; leaves 

 5-12 in. tall; leaflets thick, ovate, light gray-green below, 1-3^ 

 in. long; inflorescence a flat-topped cyme; achenes in pits in 

 the receptacle. General in distribution. 



9. Rubus. Blackberry, Raspberry, Dewberr3\ 



Perennial shrubs with erect or trailing stems, usually prickly; 

 leaves alternate, simple or 3-7-parted, with stipules adnate to 

 the petiole; flowers terminal or axillary, solitary, racemose or 

 panicled; calyx 5-parted, without bracts; petals 5; stamens 

 many; carpels many, inserted on a convex or elongated receptacle, 

 ripening into drupelets, usually edible; styles nearly tenninal. 



1. Flowers purplish, rose or light pink; stems bristh'. 2. 



1. Flowers white, or if not, then not bristly. 3. 



2. Leaves simple, 3-5-lobed or angled, not white beneath; stems not 



prickly; petals purple-rose. R. odoratus. (10). 



2. Leaves usually 3-parted; white-downy beneath; petals pale pink; fruit 



enclosed in a bur. R. phoenicolasius. (9). 



3. Leaves white-downy beneath; stems more or less glaucous; fruit easih^ 



separated from the dry receptacle. 4. 



3. Leaves sometimes lighter green below", not white-downy; stems not 



glaucous; fruit persistent on the receptacle or not easily separated 

 from it. 6. 



4. Stems ver}^ glaucous all over, with rather stout recurved prickles, not 



bristly; fruit purple-black. R. occidentalis. (5). 



4. Stems slightly glaucous; bristly; fruit red. 5. 



5. Stems bristly, not prickly; fruit light red. R. strigosus. (7). 



o. Stems both bristly and prickly; fruit a dark red. R.neglectus. (6). 



6. Canes erect or arched ascending; inflorescence elongated, many- 



flowered. 7. 



6. Canes trailing or with a tendency to be prostrate toward the end; 



inflorescence loose, few-flowered, racemose, or flowers solitarj-. 8. 



7. Inflorescence with few (4-6) or several unifoliate leaves. R.frondosiis. (1). 



7. Inflorescence not leafy. R. alleghaniensis. (2). 



8. Stems herbaceous, usually anarmed, but sometimes with occasional 



prickles; fruit red purple. R. trifionis. (8). 



8. Stems shrubby; with prickles or bristles; fruit black or nearly black 



when ripe. 9. 



9. Stems with few prickles; leaves dull above; fruit black. 



R. procitmbens. (3). 

 9. Stems slender, densely set with weak Ijristles; leaves shining; fruit 

 reddish-black. R. hispidus. (4). 



