Oeum. XLVm. ROSACEA. 253 



A' 1. F. ViRGiNiANA. Ehrh. (F. Canadensis. MtcAa;.) Scarlet ov Wild Straw- 

 ierry.— Pubescent ; cal. oftkefndt erect-spreading; nch. imbedded in pits 

 in the globose receptacle 5 ped. commonly shorter than the leaves. — Fields and 

 woods, U. S. and Brit. Am. Stolons slender, terete, reddish, often If or more 

 long, rooting at the ends. Petioles radical, 2 — 6' long, with spreading hairs. 

 Leaflets 3, oval, obtuse, coarsely dentate, subsessile, 1 — 2^' long, f as wide, 

 lateral ones oblique. Scape less hairy than the petioles, cymose at top. Flowers 

 in Apr. and May. Fruit in Jn. Jl., highly fragrant and delicious when ripened 

 in the sun. 



2. F. VESCA. Alpiyvc* Wood, or English Strawberry, 



Pubescent; cahjx of the fruit much spreading or r'eflexed; ach. superficial 

 on the conical or hemispherical receptacle which is without pits; ped. usually 

 longer than the leaves. — Fields and woods, Northern States, &c. Stolons often 

 creeping several feet. Leaves pubescent, and flowers as in F. Virginiana. — 

 Numerous varieties are cultivated in gardens, where the fruit is sometimes an 

 ounce or more in weight. Fl. Apr. May, Fr, Jn. JL 



3. F. Chilensis. Ehrh. Chili Strawberry. — Lfls. villose-silky beneath, ru- 

 gose, coriaceous, broadly obovate, obtuse, serrate; ped. and cal. silky; pet. 

 large, spreading. — From Oregon and California. Not generally cultivated. 



Oba. — Other species with varieties are sometimes found in gardens ; as F. elatior, the hautbois S., 

 with tail, tbin leaves, tail and strong scapes, and fruit greenish white tinged with purple ; P. grandifiora, 

 the pine-apple S. (made a synonym of F. Chilensis by DC.) with firm, crenate leaves, large flowers and 

 large, globose fruit, varying from whitish to purple. 



15. DALIBARDA. 



Named by Linnaeus, in honor of Dalibard, a French botanist. 



Calyx inferior, deeply 5 — 6-parted, spreading, 3 of tte segments 

 larger ; petals 5 ; stamens numerous ; styles 5 — 8, long, deciduous ; 

 fruit achenia, dry or somewhat drupaceous. — % Low herbs. St. creep- 

 ing. Lvs. undivided. Scapes 1 — 2-Jlowered. 

 D. REPENS. False Violet. 



Difi'use, pubescent, bearing creeping shoots ; ^rs. simple, roundish-cordate, 

 crenate; slip, linear-setaceous; caL spreading in flower, erect in fruit. — In low 

 woods, Penn. to Can. Creeping stems 1 or 2' to 10 or 12' in length. Leaves 

 1 — 2' diam., rounded at apex, cordate at base, villose-pubescent, on petioles 1, 

 2 or 3' long. Scapes 1-flowered, about as long as the petioles. Petals w^hite, 

 obovate, longer than the sepals. Jn. 



16. WALDSTEINIA. Willd. 



Named by WiUdenow, in honoi of Franz de VValdstein, a German botanist. 



Calyx 5-cleft, with 5 alternate, sometimes minute and deciduous 

 bracteoles ; petals 5 or more, sessile, deciduous ; stamens 00, inserted 

 into the calyx ; styles 2 — 6 ; achenia few, dry, on a dry receptacle. 

 — -% AcauUscent herbs., with lobed or divided radical lvs., and yellow fls. 

 O^ W. PRAGARioiDES. Traut. (Dalibarda. Michx. Comaropsis. DC) Dry 

 Tf~" Strawberry. — Dvs. trifoliate ; Ifts. broad-cuneiform, inci-sely dentate-creuate, 

 filiate ; scapes bracteate, many-flowered ; cal. tvbc obconic. — A handsome plant, 

 in hilly woods, Can. to Ga., bearing some resemblance to the strawberr3^ Rhi- 

 Eoma thick, scaly, blackish. Petioles 3 — 6' long, slightly pubescent. Leaflets 

 1 — 2' diam., nearly sessile, dark shining green above, apex rounded and cut 

 into lobes and teeth. Scape about as high as the leaves, divided at top, bearing 

 2—6 flowers i' diam. Petals varjdng from 5 — 10 ! Jn. 



17. GEUM. 



Gr.ycvhs, to taste well ; in allusion to the taste of the roots. 



Calyx 5-cleft, with 5 alternate segments or bracteoles, smaller and 

 exterior ; petals 5 ; stamens 00 ; achenia 00, aggregated on a dry 

 receptacle, and caudate with the persistent, mostly jointed, genicu- 

 late and bearded style. — % 



