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 subcoriaceous, conspicuously margined with black 



glands. 



Mature leaf-blades thinner, not very glandular. 

 Vernal leaves gray-green : pedicels very short. 



87. C. dapsilis. 



88. C. dolosa. 



89. C. rava. 



XVIII. DENTATAE. 

 Fruit red at maturity. 



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

 Pomes oval. L5-2 cm. long : anthers yellow. 

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

 Corolla smaller : sepals shorter. 



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

 Inflorescence pubescent : leaf-blades cuneate. 

 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. 

 Leaf-blades crenate-dentate, mostly obtuse. 

 Pedicels white-woolly. 



Anthers very small, less than 1 mm. long. 



Leaf margins very glandular : petioles short. 

 Leaf margins slightly glandular : petioles long. 

 Anthers larger : flowers 2-2.5 cm. broad. 

 Nutlets 6-7 mm. long. 

 Nutlets 7-9 mm. long. 



XIX. ATTRITAE. 



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

 Spines longer : leaves finely serrate-dentate. 



XX. SENTAE. 

 Leaf-blades with long cuneate bases. 



Fruit red. 



Fruit orange with ruddy cheeks. 

 Leaf-blades suborbicular with rounded or abruptly contracted bases. 



90. C. Alabamensis. 



91. C.fortis. 



92. C. compitalis. 



93. C. insidiosa. 



94. C.florens. 



95. C. clara. 



96. C.pulta. 



97. C.inops. 



98. C. arnica. 



99. C. Ravenelii. 



100. C. attrita. 



101. C. teres. 



102. C. senta. 



103. C. Cullasagensis. 



104. C. dispar. 



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. 



105. C. anisophylla. 



106. C.frugalis. 



107. C. viaria. 



108. C. cirrata. 



109. C. arguta. 



110. C. laxa. 



XXII. COLONICAE. 



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

 Leaf-blades dentate, glands less conspicuous. 



111. C. colondca. 



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. villans. 



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. vermta. 



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. 



