538 MALACEAE 
XXXII. BERBERIFOLIAE, 
Fruit globose or very nearly so. 
Stamens 15-20. 
Mature fruit 1 cm. or more in diameter. 
Ripe fruit yellow, orange, orange-red or green, often with red cheeks. 
Corymbs and shoots densely hirsute or pubescent. 164. C. berberifolia. 
Corymbs and shoots finely pubescent. 165. C. edita. 
Ripe fruit red or scarlet. 166. C. fera. 
Mature fruit smaller. 
Anthers yellow or nearly white. 
Pedicels and branches of the corymbs long and flexuous. 167. C. Mohrii. 
Pedicels short. the corymbs congested. 168. C. edura. 
Anthers purple or purplish. 169. C. tersa. 
Stamens fewer. 
Mature fruit 1 cm. or more in diameter. 
Corymbs and shoots densely hirsute or pubescent. 170. C. tetrica. 
Corymbs sparsely pubescent: the shoots glabrous or nearly so. 171. C. arta. 
Mature fruit smaller. 
Nutlets 1-3. 172. C. torva. 
Nutlets 3-5. 173. C. denaria. 
Fruit oval or oblong. 
Stamens normally 20. 174. C. crocina. 
Stamens fewer. 
Mature fruit yellow, orange or orange-red, often with red cheeks. 
Spines few or wanting: fruit succulent, yellow. 175. C. albicera. 
Spines numerous: fruit hard, ruddy on the cheeks. 176. C. sinistra. 
Mature fruit red. 177. C. signata. 
XXXIII. CRUS-GALLI. 
Stamens 7-12. 
Fruit subglobose or oval. 
Anthers rose-color or purplish. 
Inflorescence of ample spreading corymbs: fruit 8-13 mm. broad. 178. C. Crus-Galli. 
Inflorescence of small short corymbs: fruit 5-8 mm. broad. 179. C. macra. 
Anthers yellow or nearly white. 
Leaf-blades oval, broadly oval or elliptic. 180. C. regalis. 
Leaf-blades obovate or cuneiform. 181. C. algens. 
Fruit globose, 5-8 mm. in diameter. A 
Ripe fruit bright, shining red : spines slender, 1-4 cm. long. 182. C. pyracanthoides. 
Ripe fruit pruinose, dull red : spines stout, 3-5 cm, long. 183. C. armata. 
Stamens more numerous. : 
Anthers light yellow. 184. C. arborea. 
Anthers bright rose-color. 185. C. Bushit. 
. l. Crataegus tomentósa L. A tree 5-7 m. in height, or frequently a large shrub 
with several stems, the bark fissured and scaly ashy gray or dark brown. Leaf-blades 5-10 
cm. long, 3-6 cm. wide, oval, ovate or oblong-ovate, acute or occasionally rounded at the 
apex, narrowed at the base into broad margined petioles, serrate or serrate-dentate and in- 
cisely lobed, slightly scabrous or eventually smooth above, pubescent, especially along the 
veins below: corymbs compound, many-flowered, pubescent : corolla 10-14 mm. broad : 
stamens normally 20, the anthers purplish: pedicels, hypanthium and the lanceolate sepals 
ubescent : fruit oval or pyriform, 10-15 mm. long, dull red: nutlets 2-3, the ventral or 
ateral faces grooved or hollowed. 
In low rich soil, usually near watercourses, Ontario to North Carolina, Michigan and Missouri. 
2. Crataegus Chapmánii (Beadle) Ashe. A tree 4-6 m. high, or more frequently a 
large shrub with several stems, the bark fissured and scaly, ashy gray or brown. Leaf- 
blades 5-10 cm. long, 3-6 cm. wide, broadly ovate, oval or oblong-ovate, acute or occa- 
sionally rounded at the apex, narrowed at the base into margined petioles, serrate or serrate- 
dentate, incisely lobed, eventually glabrous or glabrate above, below varying from sparingly 
to densely pubescent, especially along the veins: corymbs compound, many-flowered, pu- 
bescent: corolla about 15 mm. wide: stamens about 20, the anthers purplish: pedicels, 
hypanthium and the lanceolate sepals pubescent : fruit globose or subglobose, 8-10 mm. 
long, bright red : nutlets 2-3, the ventral or lateral faces grooved or hollowed. 
In low. rich soil and on banks of streams, Virginia to Georgia, Tennessee and Texas. x 
3. Crataegusneofluviàlis Ashe. A small tree, oralarge much-branched shrub, 3-9 
m. tall, with gray scaly bark. Leaf-blades obovate, elliptic or rhombic-ovate, 4-8 cm. 
long, 1.5-5 em. broad, pointed at the apex, below narrowed into margined petioles, sharply 
and often doubly serrate and incisely lobed, glabrous above, sparingly pubescent or B? 
brate beneath : corymbs compound, many-flowered, glabrous or very nearly so: coro la 
12-15 mm. broad : stamens normally 20, the small anthers rose-color or purplish : pedi- 
cels, hypanthium and lanceolate usually incised glandular sepals glabrous or the former 
with a few weak hairs: fruit globose, 6-10 mm. in diameter, red, green and red, or orange 
Mes = cheeks, the flesh thin and firm: nutlets 3-5, the lateral faces grooved or hol- 
owed. s 
On banks of streams in the mountains of Virginia, North Carolina and Tennessee. 
