MALACEAE 
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-blades short. F A 
* Fruit globose or nearly so, the flesh not attenuate with the pedicel. 
Leaves more than 2 cm. wide. 
Leaf-blades conspicuously elongated, 5-8 em, long. 
Leaf-blades shorter. 
Pomes depressed-globose: leaves 3-5 em. broad. 
Pomes not depressed : leaves narrower. 
Leaves (exclusive of those on the shoots) mostly less than 2 em. wide. 
Fruit pyriform or globular-pyriform. 
Leaf-blades dentate or crenate-dentate. 
Anthers dark purple. 
Anthers pale purple. ; 
Leaf-borders with round, usually sharp-pointed lobes. 
Leaf-borders with acute lobes. 
XI. EUFLAVAE. 
Leaf-blades very sharply serrate and incisely lobed. 
Fruit globose. 
Leaf-blades serrate : anthers purple. 
Leaf-blades dentate or crenate-dentate: anthers yellow. 
XII. IGNAVAE. 
Inflorescence glabrous or with a few weak hairs. 
Fruit subglobose or oval. 
Spines 2-3.5 em. long: anthers purple. 
Spines 3.5-5 em. long: anthers yellow. 
Fruit pyriform. 
Inflorescence decidedly pubescent. 
Leaf-blades longer than broad. 
Anthers yellow, white or cream color. 
XIII. SORORIAE. 
Fruit about 1 em. in diameter or more. 
Fruit yellow and red, or orange-red with ruddy cheeks. 
Fruit acen or bright red. 
Pedicels short, pubescent, at least at flowering time. 
Fruit 5-8 mm. in diameter. 
Anthers purple or purplish. 
Inflorescence pubescent or slightly tomentose: leaf-blades su borbicular, 
Pedicels 1 cm. or more long, white-tomentose. 
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 glabrous: leaf-blades more elongated, acutely pointed and 
with several tooth-like lobes. 
Leaf-blades broader than long. 
A single species in our range. 
Fruit pyriform, yellow or orange-yellow, often flushed or cheeked with red. 
XIV. SEGNES, 
XV. VISENDAE. 
Leaf-blades with very acute tooth-like lobes. 
Leaf-blades subentire or with blunt 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 droo 
ing 
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. 
Fruit red. 
XVII. INTEGRAE. 
Anthers light yellow : calyx deciduous. 
Anthers 
pale purple: calyx persistent. 
it yellow, orange or orange-red, the cheeks often flushed. 
a 
` Fruit 
cence of the corymbs copious but thin. : 
it subglobose, the flesh attenuate with the pedicel. — 
Fruit depressed globose, the flesh depressed about the pedicel. 
45. 
46. 
47. 
48. 
49. 
GES 
SF 
535 
C. pulcherrima. 
C. abstrusa. 
C. lenis. 
C. incilis. 
C. illustris. 
. C. opima. 
. C. assimilis. 
. €. robur. 
. C. concinna. 
C. flava. 
. C. Allegheniensis. 
. C. frugiferens. 
. €. aprica. 
. C. ignava. 
59. 
. C. agrestina. 
61. 
C. impar. 
C. extraria. 
C. sororia. 
C. galbana. 
C. abdita. 
C. exilis. 
C. consanguinea.. 
C. valida. 
68. C. limata. 
C. mira. 
. C. segnis. 
. C. visenda. 
. C. sodalis. 
. C. furtiva. 
. C. arrogans. 
. C egregia. 
. C. tristis, 
. C. quaesita. 
. C. egens. 
. C. annosa. 
C. calva. 
. C. Michauxii. 
. C. lanata. 
. C. integra. 
. € adunca. 
. C. constans. 
C. panda. 
