MALACEAE 



535 



X. PULCHERRIMAE. 



Fruit oval at maturity, the flesh attenuate with the pedicels. 

 Anthers dark : leaf-blades elongated. 

 Fruit 6-8 mm. long. 

 Fruit 10-12 mm. long. 

 Anthers light: leaf-Vjlades short. 

 Fruit globose or nearly so, the flesh not attenuate with the pedicel. 

 Leaves more than 2 cm. wide. 



Leaf-blades conspicuously elongated, 5-8 cm. long. 

 Leaf-blades shorter. 



Pomes depressed-globose : leaves 3-.5 cm. broad. 

 Pomes not depressed : leaves narrower. 

 Anthers dark purple. 

 •Anthers pale purple. 



Leaf- borders with round, usually sharp-pointed lobes. 

 Leaf-borders with acute lobes. 

 Leaves (exclusive of those on the shoots) mostly less than 2 cm. wide. 



XI. EUFLAVAE. 

 Fruit pyriform or globular-pyriform. 



Leaf-blades dentate or crenate-dentate. 



Leaf-blades very sharply serrate and incisely lobed. 

 Fruit gloliose. 



Leaf-blades serrate : anthers purple. 



Leaf-blades dentate or crenate-dentate : anthers yellow. 



45. C. pulcherrima. 



46. C. abMrusa. 



47. C. knis. 



48. C. incilis. 



49. C. iUusiris. 



50. C. opima. 



51. C. asdmilis. 



52. C. robiir. 



53. C. concinna. 



54. C.flava. 



55. C. AUegheniensis. 



56. C. frugiferens. 

 bl. C. aprica. 



XII. IGNAVAE. 



Inflorescence glabrous or with a few weak hairs. 

 Fruit subglobose or oval. 



Spines 2-3.5 cm. long : anthers purple. 

 Spines 3.5-5 cm. long : anthers yellow. 

 Fruit pyriform. 

 Inflorescence decidedly pubescent. 



Xni. SORORIAE. 

 Leaf-blades longer than broad. 



Anthers yellow, white or cream color. 

 Fruit "about 1 cm. in diameter or more. 



Fruit yellow and red, or orange-red with ruddy cheeks. 

 Fruit deep or bright red. 



Pedicels short, pubescent, at least at flowering time. 

 Pedicels 1 cm. or more long, white-tomentose. 

 Fruit 5-8 mm. in diameter. 

 Anthers purple or purplish. 



Inflorescence pubescent or slightly tomentose : leaf-blades su borbicular. 

 slightly pointed. 

 Cavity 3-4 mm. wide : pomes 9-12 mm. in diameter. 

 Cavity 4-6 mm. wide : pomes 12-15 mm. in diameter. 

 Inflorescence glaVjrous : leaf-blades more elongated, acutely pointed and 

 with several tooth-like lobes. 

 Leaf-blades broader than long. 



XIV. SEGNES. 

 A single species in our range. 



XV. VISENDAE. 



Fruit pyriform, yellow or orange-yellow, often flushed or cheeked with red. 

 Leaf-blades with very acute tooth-like lobes. 

 Leaf-blades subentire or with l)lunt or rounded lobes. 



Leaf-blades suborbicular, abruptly contracted at the base. 

 Leaf-blades elongated, the base cuneiform. 

 Fruit subglobose or oval. 



Fruit red or scarlet, anthers very small, bright purple. 

 Fruit orange-red. 



Leaf-blades with large blunt or rounded lobes. 

 Leaf-blades with numerous small, tooth-like lobes. 

 Branches drooping. 



Anthers pink or pale purple : inflorescence pubescent. 

 Leaf-blades glandular-dentate and with tooth-like lobes. 

 Leaf-blades dentate and cleft. 

 Anthers white : inflorescence densely white-woolly. 

 Branches spreading or ascending. 

 Inflorescence pubescent. 

 Inflorescence glabrous. 



XVI. MICHAUXIANAE. 



Leaf-blades abruptly contracted at the base. 

 Leaf-blades with long cuneate bases. 



XVII. INTEGRAE. 

 Fruit red. 



Anthers light yellow : calyx deciduous. 

 Anthers pale purple : calyx persistent. 

 Fruit yellow, orange or orange-red, the cheeks often flushed. 

 a. Pubescence of the corymbs copious but thin. 



Fruit subglobose, the flesh attenuate with the pedicel. 



Fruit depressed globose, the flesh depressed about the pedicel. 



58. C. ignava. 



59. C. ivipar. 



60. C. agirstina. 



61. C. e'xtraria. 



62. C. sororia. 



63. C. galbana. 



64. C. abdita. 



65. C. e.nlis. 



66. C. consanguinea. 



67. C. valida. 



68. C. limata. 



69. C. mira. 



70. C. segnis. 



71. C. visenda. 



72. C. ifodalis. 



73. C.furtiva. 



74. C. arrognns. 



75. C egregia. 



76. C. tristU. 



77. C quae^ita. 



78. C. egens. 



79. C. annosa. 



80. C. calva. 



81. C. Michauxii. 



82. C. lanatn. 



83. C. infcgrn. 



84. C. udiinra. 



85. C. constani' 



86. C. panda. 



