Vor. II.] APPLE FAMILY. 245 
15. Crataegus Vailiae Britton. Vail’s Haw. (Fig. 2005.) 
Crataegus Vailiae Britton, Bull. Torr. re 
Club, 24:53. 1896. 
A shrub, 3°-6° high, the branches 
stout, light gray; thorns slender. 
Leaves oval, 1/3’ long, short-peti- 
oled, pubescent on both sides, but 
becoming glabrate and slightly shin- 
ing above, acute at both ends, or 
some of them obtuse at the apex, 
sharply serrate nearly all around, - 
sometimes slightly 3-lobed, the peti- 
oles sparingly glandular, or gland- 
less; stipules narrow, very glandu- 
lar; corymbs 2-6-flowered; pedicels 
and calyx densely pubescent; calyx- 
lobes lanceolate, 4/’-6’’ long, deeply 
incised, glandular, nearly as long as 
the petals, reflexed in fruit; pome 
globose, yellowish green, 4//-5’’ in 
diameter. 
In thickets, Virginia and North Car- 
olina. Leaves of young shoots nearly 
orbicular. May-June. 
7, COTONEASTER Medic. Phil. Bot. 1:.155. 1789. 
Shrubs, with alternate stipulate coriaceous often evergreen Jeaves, and small white cy- 
mose or rarely solitary flowers. Calyx-tube adnate to the ovary, the limb 5-lobed, persistent. 
Petals 5, scarcely clawed. Stamens numerous; filaments mostly subulate. Ovary 2-5-celled 
or of 2-5 carpels, separate at the summit; styles 2-5; ovules 2 in each cavity or carpel, 
alike, erect. Pome ovoid, globose or top-shaped, the carpels bony when mature. [Name 
neo-Latin, Quince-star or Star-quince. ] 
About 20 species, natives of the Old World. 
1. Cotoneaster Pyracantha (L.) Spach. Evergreen or Fire Thorn. Pyra- 
canth. (Fig. 2006.) 
Mespilus Pyracantha I, Sp. Pl. 478. 1753. 
Crataegus Pyracantha Medic. Gesch., 84. 1798. 
Cotoneaster Pyracantha Spach, Hist. Veg. 2: 73. 
1834. 
A shrub, 3°-8° high. Spines slender, %4/— 
1’ long; leaves evergreen, glabrous on both 
sides, oval or slightly oblanceolate, crenulate, 
obtuse at the apex, usually narrowed at the 
base, somewhat shining above, 1/-2/ long, 
short-petioled; cymes terminal, compound, 
many-flowered; pedicels and calyx pubes- 
cent; calyx-lobes ovate; flowers about 3// 
broad; styles 5; fruit scarlet, depressed- 
globose, about 2’’ high, bitter. 
In thickets, escaped from cultivation about 
Philadelphiaand Washington. Native of south- 
ern Europe and western Asia. May. 
