104 ICOSANDRIA POLYGYN1A. [CI. 12. 



Woods and hedges. Tj . 4, 5. Fl. white, mimer. Fr. small, brown, 

 dotted. 



4. P. domestica, 5. 350. (True S.) Leaves pinnate; leaflets uniform, 



downy beneath ; serrated towards the point. Flowers panicled. 

 Fruit obovate. 

 Mountain woods, very rare. Tj . 5. Fr. reddish, spotted, with only 

 one mature seed. 



5. P. aucupdria, Sorbus aucup. 5. 337. (Mountain Ash.) Leaves 



pinnate ; leaflets uniform, serrated, smooth. Flowers corym- 

 bose. Styles about three. Fruit globular. 

 Woody mount. T^ . 5. Apples like berries, scarlet, sour. Seeds two. 



6. P. pinnatifida, 33. 2331. (Bastard Mountain A.) Leaves deeply 



pinnatifid, or half-pinnate ; downy beneath. Flowers corymbose. 

 Styles about three. 

 Mountains. Tj . .5. L. pinnatifid chiefly at the base. Fr. scarlet. 

 A var. of P. auc. 



7. P. Aria, 26. 1858. (White Beam-tree.) Leaves simple, ellipti- 



cal, cut, serrated, scored ; downy beneath. Flowers corymbose. 

 Styles about two. 

 Chalky mts. T^ . 5. L. ivhite and cottony beneath. Fr. small, scarlet. 



253. SPIRAEA. Spiraea, Dropwort, and Meadow-sweet. 



1. S. salicifolia, 21. 1468. (Willow-leaved S.) Leaves elliptic-lance- 



olate, unequally serrated, smooth. Clusters terminal, compound. 

 Swampy mts. not wild ? 1? . 7. A branched shrub. 4f. Fl. rose-col. 



2. S. Filipendula, 4. 284. (Common D.) Leaves interruptedly pin- 



nate ; leaflets uniform, serrated, smooth. Stem herbaceous. 

 Flowers cymose, with many styles. 

 Dry elevat. past. If. 7. Root with elliptical knobs. Fl. cream-col. 



3. S. Ulmdria, 14. 960. (Meadow-sweet.) Leaves interruptedly pin- 



nate ; downy beneath ; the terminal leaflet largest and lobed. 

 Stem herbaceous. Flowers cymose, with many styles. 

 Swampy past. If. 6, 7. R.fibr. Fl. small, white, sweet-scented. 



ICOSANDRIA POLYGYNIA. 



254. RoSA. Rose. 

 * Branches bristly. Prickles mostly slender, nearly straight. 



*1. R. Dicksoni, Suppl. 2707. (Dickson's R.) Flower-stalks bristly. 

 Shoots bristly. Prickles scattered, slender, subulate. Leaf- 

 lets oval, hairy, coarsely and irregularly serrated, sparingly 

 glandulose beneath. Fruit ovate-urceolate. 

 Ireland. T? . 7. Petals deep pink. Fruit orange-red, with a 

 lengthened neck, clothed with a few strong bristles. 



1. R. cinnamomea, 34. 2388. (Cinnamon R.) Flower-stalks brac- 

 teated, smooth. Calyx mostly simple. Fruit globose. Bristles 



