l.)(5 ROSACKJE. (kOSK FAMILY.) 



;ix loug as tlie calyx. (1*. niiiijilox, Mirhx.) — Mtadows in the upper (li.^tritts, 

 July - Au^n.-^t. — Stem l^-aMong. 



Var. pumila, 'I "IT. ^ (iray. Ca'.spitose, villous ; stems j)e(luucle-like, 2'- 

 3' liigli, I -.'MiDwcreti, luuslly shorter thau the leaves; leaflets small, obuvate. 

 — Dry woods in the uj)i)er districts. 



■3. P. supina, L. Annual, i)uiie8ceiit; stems prostrate; leaves pinnate; 

 leatlcts ■-'.», oliiong-ohovate, coarsely serrate; peduncles axillary, solitary ; 

 petals oliovatc, yellow, as long as tlie calyx ; achenia with a starchy ajipend- 

 age at the base. — Banks of the Missi.ssi])pi, Tennessee. August. 



* * Stijlt luleral. 

 4. P. tridentata, Ait. stem .somewliat shrubby at the base, erect or as- 

 cending, j)ulicscciit ; leaves rigid, trifoliolate, cuneate-oblong, ;i-toothed at the 

 apex; flowers white, in a terminal cyme. — High mountains of North Caro- 

 lina. July. — Stem 5'- 10' high. Achenia and receptacle very hairy. 



13. FRAGARIA, Touru. Stkawheuky. 



Flowers like Poteutilla, but the dry achenia borne on the enlarged, at 

 length l)ulpy and scarlet receptacle. Style lateral. — Perennial herbs with 

 cree])ing runners. Leaves radical, trifoliolate. Flowers white, in terminal 

 cymes. 



1. F. Virginiana, Elnhart. Appressed-hairy; leaflets thick, oblong, 

 coarsely serrate; scape few-flowered ; fruit romidish, the achenia embedded in 

 the deeply pitted receptacle. — Rich woods. March- Aj)ril. — Scapes 4' -6' 

 high. 



2. F. vesca, L. Softly villous, 3' -6' high; leaflets thin, oblong-oval, 

 pale beneath, I'long; pedicels recurved in fruit; calyx spreading; achenia 

 fixed to the surface of the receptacle. — Tennessee {(iattinger). April. 



3. P. Indica, Andr. (Strawberry Geranium.) Creeping; leaves 

 trifoliolate or 3 lobed, the lobes rouud-obovate, crenate ; peduncles 1-flowered ; 

 calyx leafy -bracted ; petals yellow ; fruit inedible. — Waste places, escaped 

 from cultivation. 



14. RUBUS, L. Brier, Bramble. 



Calyx concave or flattish, 5-parted, without bracts. Petals 5, deciduous. 

 Stamens numerous. Achenia juicy, crowded on the conical or cylindrical 

 receptacle. Style nearly terminal, deciduous. — Perennial or shrubby and 

 mostly prickly ])lants, with lobed or compound petioled leaves, and wliite or 

 reddish flowers. 



* Heads of achenia hemisjiherical, deciduous : receptacle drjf. 

 1. R. Odoratus, L. Shrubby, not prickly; the branches, petioles, and 

 corymbs hispid with glandular hairs; leaves large, broadly ovate, 3-lobed, or 

 the lowest ones 5-lobed, the lobes acute or acuminate, toothed and serrate ; 

 calyx-lobes caudate; flowers large, rose-color; fruit reddish. — Rocky woods 

 on the mountains of Georgia and Carolina. June -August. — Stem3°-4° 

 high. Flowers 2' in diameter. 



