110SA Rx\PA.

15

10. ROSA rapa.

R. elatior diffusa, ramulis inermibus, foliolis oblongisundulatis lucidis, fructu hemisphaerico.

R. rapa Bose. diet, d'agr. Desf . cat. hort. par. 273.Pair enc. suppl. Redout. Roses. 1.7 . t. 2. Promv.nomencl. 27.

R. turgida Pers. syn. 2. 49.

R. fraxinifolia Dumont-Cours. hot. cidt. fide Poir.

I lab. in America septentrionalis provinciis calidioribusFraser, (v. v. cult, et s. sp.)

A taller bush than R.lucida with a more stragglinghabit. Branches red, either unarmed, or furnishedwith a few weak, pale, setifonn prickles, now and thendecreasing into setae; rootshoots very red, densely co-vered with very unequal, scattered, crimson prickles:of these the largest are compressed and falcate, asthey decrease in size becoming gradually straighter tillthey change into setae. Leaves distant, tinged withred, which becomes darker in the autumn; stipulcenaked, flat, waved, either narrow or much dilated,finely toothed; petioles armed with a few short, straightprickles, glands being here and there intermixed;leaflets 3-9, simply or doubly serrated, undulated, en-tirely free from pubescence. Cymes many-flowered,overtopped by the young shoots ; bractece ovate lan-ceolate, with a point, naked, finely toothed, large andspreading; Jlowerstalks rough with setae and glands:tube of the calyx cyathiform, at the bottom rough likethe stalks; sepals compound, with a foliaceous end,longer than the petals, hispid without; petals alwaysmultiplied, bright red, smaller than those of R. lucida;disk nearly obliterated. Fruit deep red, crowned bythe reflexed sepals, round, with a very wide mouthwhich is filled up by the densely villous styles.