MA LACE AE 



537 



XXIV. LEPIDAE. 



Spines less than 3 cm. long. 

 Fruit globose at maturity. 



Inflorescence tornentose : leaf-blades abruptly contracted below. 127. C. lepida. 



Inflorescence glabrous : leaf-blades cuneate or spatulate. 128. C. lacrimata. 



Fruit pyriform or nearly so. 



Leaf-blades crenate. 129. C. condigna. 



Leaf-blades dentate or lobed. 130. C. geniculata. 



Spines long and slender. 



Fruit globose. 131. C, pexa. 



Fruit pyriform or nearly so. 



Sepals 3-4 mm. long : corymbs few-several-flowered . 132. C. Yadkinensii. 



Sepals 4-6 mm. long : flowers solitary or in 2's and 3's. 



Leaf-blades toothed : pedicels and shoots soon becoming glabrous. 133. C. mnnda. 



Leaf-blades finely toothed and lobed : pedicels and shoots tomentose. 134. C. invicta. 



XXV. UNIFLORAE. 



Mature fruit globose or nearly so. 



Leaf-blades obovate or cuneate, mostly obtuse. 

 Fruit yellow, orange or greenish yellow. 

 Fruit red. 

 Leaf-blades oval, ovate or elliptic, mostly acute. 



Leaves frequently lobed or incised : fruit red at maturity. 



Leaves (exclusive of those on the shoots) not lobed ; fruit yellow, orange 



or greenish yellow. 

 Mature fruit pyriform. 



Leaf-blades prevailingly oval, ovate or elliptic. 

 Leaf-blades prevailingly obovate or cuneate. 

 Sepals broad and incised. 

 Sepals narrow, entire or serrulate. 



XXVI. MOLLES. 



Hypanthium tomentose or pubescent. 



Corolla at least 2 cm. broad : fruit not depressed globose. 

 Anthers yellow. 



Fruit subglobose, ripening in August or September. 

 Fruit oblong or obovoid, ripening in October. 

 Anthers dark red or purplish. 



Corolla about 15 mm. broad : fruit depressed globose. 

 Hypanthium glabrous. 



Anthers yellow : leaf-blades finely serrate. 

 Anthers red or purple : leaf-blades coarsely serrate. 



135. C. uniflora. 



136. C. armentalis. 



137. C. Vailiae. 



138. C. RcUeighensis. 



139. C. bimlcata. 



140. C. 



141. C. 



142. C. mollis. 



143. C. Arkansana. 



144. C. Texana. 



145. C. gravida. 



146. C.cibaria. 



147. C. lacera. 



XXVII. BILTMOREANAE. 



Stamens normally 10 : fruit yellow or orange, often cheeked red. 

 Stamens normally 20 : fruit red or ruddy. 



148. C. Biltmareana. 



149. C. Crayt&nii. 



XXVIII. TRIFLORAE. 



Stamens normally 20 : leaf-blades ovate, obovate or elliptic. 

 Stamens normally 10 : leaf-blades broadly oval or round-ovate. 



150. C. triflora. 



151. C. austromontana. 



XXIX. HARBISONIANAE. 



Corymbs compound, many-flowered. 

 Corymbs 3-10-flowered, subsimple. 



XXX. PRUINOSAE. 



Fruit globose, subglobose or oval. 

 Stamens normally 20. 



Fruit angled, conspicuously swollen below the middle. 

 Anthers white or light yellow. 

 Anthers purple or purplish. 



Fruit neither angled nor swollen below the middle. 

 Anthers purple or purplish. 

 Anthers white or pale yellow. 

 Stamens 10. 

 Fruit pyriform. 



XXXI. TENUIFOLIAE. 



Fruit 10-18 mm. thick at maturity, subglobose, oblong or oval. 



Stamens normally 20. 



Stamens normally 10. 

 Fruit 6-8 mm. thick' at maturity, subglobose or oval. 



Stamens normally 20. 



Stamens fewer. 



152. C. Harbisonii. 



153. C. Ashei. 



154. C. rwtica. 



155. C. ariana. 



156. C*. Georgiana. 



157. C. callida. 



158. C. iracunda. 



159. C. vicinalis. 



160. C. basilica. 



161. C. macrosperma, 



162. C. nubicola. 



163. C. Roanensif. 



