xxiv SHRUBS 



48. Leaflets blunt or notched. p. 76. Caragana. 

 Leaflets acute. p. 76. Halimodendron. 



49. With leaf-spines (below a bud or branch). 50. 

 With stem-spines 1 (axillary, or ending a branch). 52. 



50. Leaves appearing simple, often clustered, p. 39. Berberis. 

 Leaves distinctly compound, with pungent axis. 51. 



51. Leaflets blunt or notched. p. 76. Caragana. 

 Leaflets acute or bristle-tipped. p. 76. Halimodendron. 



52. With silvery or brown scales or stellate hairs. 53. 

 Not scurfy. 54. 



53. Leaves almost linear. p. 108. Hippophae. 

 Leaves lanceolate or elliptic. p. 107. Elaeagnus. 



54. Sap milky. 55. 

 Sap not milky. 56. 



55. Leaves scarcely 25 mm. wide: fruit small, p. 125. Bumelia. 

 Leaves and fruit larger. p. 30. Maclura. 



56. With nectar-glands on petiole or leaf-base. p. 67. Prunus. 

 Without such glands. 57. 



57. Twigs distinctly angled. 58. 

 Twigs rounded: fruit a pome. 61. 



58. Both leaves- and twigs pungent. p. 73. Ulex. 

 Leaves not pungent. 59. 



59. Leaves simple: twigs whitish. p. 136. Lycium. 

 Leaves compound. 60. 



60. Leaves scarcely 1 cm. long. p. 73. Cytisus. 

 Leaves much larger. p. 78. Poncirus. 



61. Bud-scales fleshy: core of fruit bony. p. 60. Crataegus. 

 Bud-s ( cales not fleshy: core papery. 62. 



62. Glabrous or glabrescent. p. 58. Chaenomeles. 

 More or less woolly. p. 56. Pyrus. 



Leaves opposite. 



63. Scurfy with silvery or brown scales. p. 107. Shepherdia. 

 Not scurfy. 64. 



64. Spines short, between the uppermost buds. p. 97. Rhamnus. 

 Spines longer. 65. 



65. Leaves acute at both ends. p. 130. Forestiera. 

 Leaves rounded at base. p. 142. Viburnum. 



