536 



MALACEAE 



b. Pubescence of the corymbs densely white-woolly. 



Vernal leaves bright green : pedicels at maturity 1 cm. long or more. 

 Mature leaf-blades subconaceous, conspicuously margined with black 



glands. 87. C. dapsilis. 



Mature leaf-blades thinner, not very glandular. 88. C. dolosa. 



Vernal leaves gray-green : pedicels very short. 89. C. rava. 



XVIII. DENTATAE. 

 Fruit red at maturity. 



Corolla 2-2.5 cm. broad : sepals 6-8 mm. long. 



Pomes oval. 1.5-2 cm. long : anthers yellow. 90. C. Alabamensis. 



Pomes subglobose, 1-1.5 cm. thick : anthers pale purple. 91. C.fartis. 



CorolJa smaller: sepals shorter. 



Inflorescence densely woolly : leaf-blades contracted at the base. 92. C. crnnpitalis. 



Inflorescence pubescent : leaf-blades cuneate. 93. C. insidiosa. 



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



Pedicels clothed with white spreading hairs : flowers 2-2.5 cm. wide. 



Leaf-blades sharply dentate, mostly pointed. 94. C.florens. 



Leaf-blades crenate-dentate, mostly obtuse 95. C. clara. 



Pedicels white-woolly. 



Anthers very small, less than 1 mm. long. 



Leaf margins very glandular : petioles short. 96. C. pulla. 



Leaf margins slightly glandular: petioles long. 97. C.inops. 



Anthers larger : flowers 2-2.5 cm. broad. 



Nutlets 6-7 mm. long. 98. C. arnica. 



Nutlets 7-9 mm. long. 99. C. Ravenelii. 



XIX. ATTRITAE. 



Spines 1-2 cm. long : leaves very irregularly and coarsely dentate. 100. C. attrita. 



Spines longer : leaves finely serrate-dentate. 101. C. teret. 



XX. SENTAE. 

 Leaf-blades with long cuneate bases. 



Fruit red. 102. C. sento. 



Fruit orange with ruddy cheeks. 103. . C. Outtaaagcnsit. 



Leaf-blades suborbicular with rounded or abruptly contracted bases. 104. C. ditpar. 



XXI. ANISOPHYLLAE. 



Fruit orange, often with flushed cheeks. 

 Fruit red or reddish. 



Vernal leaves slightly pubescent or glabrate. 

 Leaf-blades subentire. 

 Leaf-blades lobed and toothed. 

 Vernal leaves scurfy-tomentose. 



Anthers yellow : fruit globose or subglobose. 



Leaf-blades conspicuously lobed, toothed and crisped. 

 Leaf-blades subentire or with shallow lobes and teeth. 

 Anthers white : fruit subglobose or oval. 



XXII. COLONICAE. 



Leaf-blades entire or nearly so, gland-margined. 

 Leaf-blades dentate, glands less conspicuous. 



105. C. anisophyUa. 



106. C.fnigaliit. 



107. C. viaria. 



108. C. cirrata. 



109. C. an/ut a. 



110. C. laxa. 



111. C. colonica. 



112. C. vicana. 



XXIII. RECURVAE. 



Leaf-blades (exclusive of those on the shoots) less than 2 cm. wide. 



Fruit red. 113. C. recurva. 



Fruit yellow, orange or orange red, cheeked or splotched with red. 



Prevailing leaves with the blades abruptly contracted at the base. -, 



Fruit 8-12 mm. thick : spines mostly 1-2 cm. long. 



Leaf-blades conspicuously dentate and glandular. 114. C. rimosa. 



Leaf-blades subentire, the glands less conspicuous. 



Blades obovate or suborbicular. 115. C. inopina. 



Blades much more elongated. 116. C. villaris. 



Fruit smaller : spines numerous, 1.5-3.5 cm. long. 117. C. curva. 



Prevailing leaves with the blades cuneate at the base, or with long- 

 winged petioles. 



Leaf-blades acute or very sharply pointed, toothed or lobed. 118. C. resima. 



Leaf-blades abruptly pointed or obtuse, either toothed, lobed or entire. 

 Mature leaves more than 1 cm. wide. 



Vernal leaves long, conspicuously overreaching the flowers. 

 Petioles mostly short, never as long as the blades. 



Nutlets 6-7 mm. long. 119. C. lassa. 



Nutlets 7-9 mm. long. 120. C. adusta. 



Petioles mostly elongated, sometimes as long as the blades. 



Flowers large : sepals 4-5 mm. long. 121. C. illudens. 



Flowers small : sepals very small. 122. C. vcreuta. 



Vernal leaves less than 2 cm. long, the petioles white-woolly. 123. C. incana. 



Mature leaves less than 1 cm. wide. 124. C. crocea. 



Some or all of the leaves (exclusive of those on the shoots) 2 cm. wide. 



Pubescence of the inflorescence copious but thin. 125. C. audens. 



Pubescence of the inflorescence densely white-woolly. 126. C. mendiana. 



