GENUS 6. 



APPLE FAMILY. 



3 21 



72. Crataegus Douglasii. Lindl. Douglas' Thorn. Fig. 2406. 



Crataegus piinctata Jacq. var. ? brevispina Dougl. ; 



Hook. Fl. Bor. Am. i : 201. 1832. 

 C. Douglasii Lindl. Bot. Reg. pi. 1810. 1835. 

 C. brevispina Dougl.; Steud. Nom. Bot. Ed. 2: 



431. 1841. 



A tree or shrub, sometimes 40 high ; bark 

 dark brown and scaly. Spines i'-i' long; twigs 

 reddish ; leaves ovate to obovate, i'-2f long, 

 \'-2.\' wide, acute or obtuse at the apex, cuneate 

 at the base, doubly serrate and lobed except 

 near the base, dark green and appressed-pubes- 

 cent above, glabrous beneath, subcoriaceous ; 

 petioles slightly winged, li'-i' long; corymbs 

 many-flowered, glabrous or nearly so ; flowers 

 about 8" broad, calyx-lobes acute or acuminate, 

 entire, villous above, tinged with red; stamens 

 10-20; anthers light yellow; styles and nutlets 

 3-5 ; fruit short-ellipsoid, 4" or 5" thick, dark 

 purple, becoming black in drying; flesh soft, 

 sweet; nutlets ear-shaped, roughly pitted on 

 the inner face. 



Thunder Bay Island. Lake Huron and Ke- 

 weenaw Peninsula, Mich. ; Michipicoten Island, 

 Lake Superior ; and far northwestward. May, June ; fruit ripe August-September. 



73. Crataegus Phaenopyrum ( L. f.) Medic. Washington Thorn. Fig. 2407. 



Mespilus Phaenopyrum L. f. Suppl. 254. 1781. 



Crataegus cordata Ait. Hort. Kew. 2: 168. 1789. 



Not Mespilus cordata Mill. 



C. Phaenopyrum Medic. Gesch. Bot. 83. 1793. 



A shrub or small tree, I5-3O high, with trunk 

 diameter up to i. Branches strongly ascending; 

 thorns numerous, f'-2' long; leaves ovate-trian- 

 gular, simply or doubly serrate, often 3-5-lobed, 

 acute at the apex, rounded to cordate at the base, 

 '-3' long and wide, bright green above, glabrous ; 

 petioles '-2' long, slender; corymbs many-flow- 

 ered, glabrous ; flowers 4"-6" wide ; calyx-lobes 

 deltoid, entire; stamens about 20; anthers pink; 

 styles and nutlets usually 5 ; fruit depressed- 

 globose, 2" or 3" thick, scarlet; calyx-lobes de- 

 ciduous ; nutlets with bare apex and smooth back. 



Moist, rich ground, Virginia to Georgia, Illinois 

 and Arkansas. Naturalized northward to Pennsyl- 

 vania and New Jersey. Virginia, -hedge or -heart- 

 leaved thorn. Red-haw. April-June ; fruit ripe Oc- 

 tober-November. 



7. COTONEASTER Medic. Phil. Bot. i: 155. 1789- 



Shrubs, with alternate stipulate coriaceous often evergreen leaves, and small white cymose 

 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. Type species : Mespilus Cotoneaster L. 



