Dicotyledones. 55 



dehiscing loculicidally. The common name syringa is the proper 

 generic name for the lilac. 



I. Philadelphus coronarius, L. (L., coronarius, pertaining to a wreath.) 

 Garden Syringa or Mock Orange. A shrub 8 to lo feet high. Leaves 2 to 4 

 inches long, eUiptic or ovate-eUiptic, pubescent beneath, denticulate. Flowers 

 racemose at the ends of the branches, an inch or more broad, creamy white and 

 fragrant. Cultivated ; escaped from gardens in some localities. 



III. RIBES. Gooseberry and Currant. 



(Ar., ribes, gooseberry.) 



Shrubs witli alternate and often fascicled, lobed leaves. Calyx 5- 

 lobed, the tube coherent with the ovary. Petals 5 and small, inserted 

 at the throat of the calyx. Stamens 5, alternate with the petals. Ovary 

 I -celled, with 2 parietal placentee. Styles 2, distinct or united. Fruit 

 a pulpy, globose, or ovoid berry, bearing the remains of the calyx at its 

 summit. 



I. Ribes Cynosbati, L. (Gr., tynosbatos, the dog-thorn.) Wild Gooseberry 

 or Dogberry. Flowers 1-3. Calyx tube ovoid-campanulate, green. Berry beset 

 with awl-shaped prickles. In rocky woods. 



i!. Ribes setdsum, Lindl. (L., setosus, bristly.) Bristly Gooseberry. 

 Flowers 1-4, calyx tubular and white. Stem with numerous prickles. Fruit 

 glabrous or only sparingly prickly. In thickets and along lake shores. 



3. Ribes gracile, Michx. (L., gracilis, slender.) MISSOURI Gooseberry. 

 Flowers about 3, white or greenish, droopitag. Lobes of the calyx longer than the 

 tube. Stamens much exserted. Berry reddish purple. In rocky or dry soil. 



4. Ribes oxycanthoides, L. (Gr., oxys, sharp ; akanthos, spine ; eidos, resem- 

 blance.) Hawthorn or Northern Gooseberry. Flowers 1-3 on short pedi- 

 cels, greenish purple or white. Stamens short, not exserted. Stems scarcely 

 prickly. Fruit reddish purple when ripe, smooth. In low grounds or damp 

 woods. 



5. Ribes floridum, L'Her. (L., fioridus, flowery.) Wild Black Currant. 

 Leaves somewhat pubescent and resinous-dotted beneath. Flowers many in 

 pendulous racemes, greenish white. Calyx tube cylindric. Fruit smooth, black, 

 and globose-ovoid when ripe. In woods. 



6. Ribes rubrum, L. (L., ruber, red.) Red Currant. Without prickles. 

 Leaves 3-s-lobed and serrate. Flowers in loose, pendulous racemes, greenish or 

 purplish. Calyx tube campanulate. Stamens short. Fruit red and smooth. 



7. Ribes c^reum, Dougl. (L., cereus, waxy.) White-flowered or Squaw 

 Currant. Flowers sessile or on short pedicels in short racemes, from the same 

 buds as the rounded, reniform leaves, whitish or greenish white. Calyx tube 

 tubular and glandular. Fruit red and insipid. 



8. Ribes aiireum, Pursh. (L., aureus, golden yellow.) Golden, Buffalo, 



