xiv 
30. 
31. 
32. 
33. 
34. 
35. 
36. 
37. 
38. 
39. 
40. 
41. 
42. 
43. 
44. 
KEYS—LEAVES OPPOSITE 
Leaves rounded at ends. p. 328. Stephanotis. 
Leaves acute at both ends. 31. 
Leaf-scars transversely connected. p. 325. Trachelospermum. 
Leaf-scars without connecting lines. p. 324. Allamanda. 
Sap milky: leaf-scars raised, shriveled. p. 327. Periploca. 
Sap not milky. 33. 
Bundle-trace 1: commonly evergreen. 34. 
Bundle-traces 3: twining. p. 353. Lonicera. 
Twining: stems 4-lined: leaves simple. p. 322. Gelsemium. 
Scrambling: stems not lined. p. 320. Jasminum. 
With spines ending some twigs or in the axils. 36. 
Without spines or prickles. 40. 
Scurfy with shield-shaped (peltate) scales. 37. 
Without such scales. 38. 
Evergreen: buds naked: leaves lanceolate. p. 318. Olea. 
Deciduous: buds scaly. p. 248. Shepherdia. 
Spines forking: evergreen. p. 3238. Carissa. 
Spines unbranched, often blunt: foliage deciduous. 39. 
Buds several, superposed, small. p. 316. Forestiera. 
Buds not superposed, relatively large. p. 220. Rhamnus. 
Bundle-traces 3 or more, separate, in an open series. 41. 
Bundle-trace 1; or many traces scattered or in an ellipse, 
or nearly confluent in a straight or curved line. 86. 
(This group includes cases in which the bundle-traces 
are indistinguishable in a shriveled scar). 
Leaf-scars large and broad: twigs stout. 42. 
Leaf-scars small or narrow. 483. 
Buds solitary, the terminal enlarged. p. 207. Aesculus. 
Buds multiple. p. 359. Sambucus. 
Leaf-scars linear or U-shaped. 75. 
Leaf-scars horseshoe-shaped. 85. 
Leaf-scars not as above unless by tearing. 44. 
Evergreen. 45. 
Deciduous. 48. 
