296 



MALACEAE. 



Vol. II. 



Group VIII. Flavae. 



Leaves short-obovate to spatulate, niemljranous ; petioles ]4'-^' long; corymbs fcw-flowerej ; 

 calyx-lobes Klandular-serrate ; fruit green to orange or red ; calyx-tube prominent, the lobes reflexed ; 

 flesh usually soft at maturity. Shrubs and trees of the sandy pinelands of the southern coastal 

 plain ; only one, of the several species, reaching southern Virginia. 



Easily recognized by the zigzag branches and very glandular foliage. 39. C. flava. 



Group IX. Tenliifoi.iae. 

 Leaves ovate, membranous, often slightly pubescent ; petioles slender, 

 foliage usually bronze-green ; corymbs many-flowered ; fruit red, glabrous ; calyx-lobes erect or 

 spreading, persistent ; flesh succulent. 

 Fruit ellipsoid, ovoid or pyriform. 

 Calyx-lobes serrate. 

 Calyx-lobes entire. 



Fruit small, 3" or 4" thick, with rather firm flesh : leaves much lobed. 

 Fruit large, s"-g" thick, with soft flesh ; leaves not conspicuously lobed. 42 

 Fruit compressed-globose or subglobose. 



-I, '4' long ; young 



40. C. fiabeliala. 



41. C.roancnsis. 

 C. macrosperma. 



Lobes of the leaves reflexed. 



Lobes of the leaves spreading or ascending. 



Terminal leaves cuneate. 



Terminal leaves cordate. 



43. C Grayana. 



44. C. alnorum, 



45. C. popnlnea. 



Group X. FRflNOSAE. 



Leaves ovate, membranous to subcoriaceous, blue-green, glabrous (except C. aspera) ; petioles 

 li'-^iy long; young foliage usually bronze-green; corymbs many-flowered; calyx-lobes deltoid- 

 acuminate ; fruit pruinose ; calyx-tube prominent, the lobes spreading, persistent. 

 Leaves pubescent. 

 Leaves glabrous. 



Leaves elliptic-ovate. 

 Leaves ovate. 



Leaves usually cordate. 



Fruit conspicuously angled, strongly pruinose. 

 Fruit without conspicuous angles, slightly pruinose. 

 Leaves usually cuneate. 



Lobes of the leaves deep, acuminate. 

 Lobes of the leaves shallow, acute. 

 Fruit without conspicuous angles. 

 Fruit conspicuously angled. 



Leaves i;'2'-3^2' long, I'/i'-^H' wide. 

 Leaves not more than z'/i' long, 254' wide. 

 Leaves deltoid. 

 Leaves ovate. 



Group XL COCCINEAE (MOLLES). 



Leaves ovate, membranous to subcoriaceous; petioles y^'-iYz' long; corymbs many-flowered; 

 calyx-lobes glandular-serrate ; fruit usually red and pubescent ; calyx-lobes swollen, erect or spread- 

 ing ; flesh thick, soft, edible. 

 Mature leaves usually glabrous above ; young foliage bronze green ; anthers pink. 



Fruit yellow. 55. C. Kelloggii. 



Fruit red. . 



Leaves oblong-ovate. 



Leaves sharply lobed ; eastern. 



Corymbs nearly glabrous ; lobes reflexed. 

 Corymbs very pubescent ; lobes ascending. 

 Leaves subentire ; southwestern. 



Corymbs and fruit nearly glabrous. 

 Corymbs and fruit very tomentose. 

 Leaves broadly ovate. 



Corymbs and fruit glabrous ; stamens about 2C 

 Corymbs and fruit pubescent or tomentose. 

 Leaves on vegetative shoots cuneate. 



56. C. villi pes. 



57. C. anomala. 



58. C. dispessa. 



59. C. lanuginosa. 



60. C. coccinioides. 



Leaves concave, i;4'-3' long, i!4'-2-J4' wide. 

 Leaves plane. i;4'-4' long, I'^'-jJ':' wide. 

 Leaves on vegetative shoots cordate. 

 Mature leaves tomentose above ; young foliage yellow-green ; anthers yellow. 

 Leaves on vegetative shoots cimeate at base. 



Lobes of the leaves broad, shallow, acuminate. 

 Lobes narrow, deep, acute. 



Fruit globose : calyx-tube rather prominent ; leaves subcoriaceous. 

 Fruit ellipsoidal-pyriform : calyx-tube obscure; leaves membranous. 

 Leaves on vegetative shoots cordate. 



C. Pringlei. 

 C. cocc'nea. 

 C. albicans. 



64. C. Ar}ioldiana. 



65. 

 66. 



67. 



C. canadensis. 

 C. subntollis. 

 C. tuollis. 



Group XII. OXYACANTHAE. 



Leaves ovate, 3-15-lobed or cleft; corymbs many-flowered; 

 introduced species. 



fruit red. styles and nutlets i ; 

 68. C. monogyna. 



