66 Droseraceae — Araliaceae. 



ORDER 32. — Droseraceae, 



Sepals 5 persistent. Corolla regular. Petals 5. Stamens 5 almost 

 hypogynous. Ovary I -celled. Styles 6 — 8. Placentation parietal. 



\,—DROSERA. 

 DROS'ERA ROTUN'DIFO'LIA (107). Sundew. 7—8. Leaves obo- 

 (574) vate covered with red glandular hairs. Bogs. Fig. p. 42. 



ORDER 33. — Araliaceae. 



Calyx superior entire or 5-toothed Petals usually 5. Stamens $—10 

 from the margin of an epigynous disk. Ovary more than 2-celled. Ovules 

 solitary pendulous. 



1.—HEDERA. 



HED'ERA HE'LIX (in). Ivy. 10— 11. Calyx of 5 teeth, petals 5 



(679) reflexed, styles 5 growing together, fruit a black berry with 3 — 10 



seeds, leaves very variable cordate 5-lobed, those of the flowering 



branches lanceolate or ovate, flowers greenish-yellow in a racemose 



umbel. Walls. 



ORDER 34. — Umbelliferae. 



Calyx gamosepalous superior, entire or 5-toothed. Petals 5 inserted on 

 an epigynous disk. Stamens 5 epigynous. Pistil syncarpous of 2 carpels. 

 Styles 2. Flowers in umbels usually compound, the bracts at the base of the 

 compound umbel constitute the involucre, and those {bracteoles) at the base of 

 the separate umbels the partial involucres. Fruit a cre?nocarp consisting of 

 2 carpels {mericarps) suspended by the apex from a common axis, each carpel 

 marked by elevated ridges, between which in the substance of the pericarp 

 are certain linear canals containing oil, termed vittce. The fruit is dorsally 

 compressed when the division between the mericarpis in the longest diameter 

 of the cremocarp, and laterally compressed when the division {suture) is in 

 the shortest diameter. 



Umbels simple, 289 



Umbels compound, 286 

 286 Leaves and stem thick and succulent, . . Crithmum XXX. 



286 Leaves not succulent, 287 



287 Fruit prickly, 291 



287 Fruit not prickly, 288 



288 Leaves simple, Bupleurum VL 



288 Leaves compound, 292 



289 Leaves undivided, Hydrocotyle L 



289 Leaves palmate, 290 



290 Flowers white, Sanicula IIL 



290 Flowers blue — leaves prickly, ..... Eryngium IV. 



