REPORT OF THE STATE BOTANIST I907 S9 



A shrub 3-4 m high, with numerous small stems covered with 

 dark gray bark, spreading and ascending branches forming an open 

 head, and slender nearly straight branchlets, light green when they 

 first appear, becoming light chestnut-brown, lustrous and marked by 

 small dark lenticels in their first season and dull red-brown the 

 following year, and armed with numerous stout or slender, straight 

 or slightly curved chestnut-brown shining spines 1-1.5 cm long. 



Hillsides, Coopers Plains, G. D. Cornell (^ 96, type), October 21, 

 1906, June 5, 1907. 



Stamens 15-20; anthers pale rose color. 



Crataegus macrocalyx n. sp. 



Glabrous with the exception of the hairs on the young leaves. 

 Leaves ovate, acuminate, rounded or cuneate at the base, finely and 

 often doubly serrate above, with straight glandular teeth, and divided 

 into 4 or 5 pairs of short broad acuminate spreading lobes ; some- 

 times deeply 3-lobed on stump shoots ; tinged with red and setose 

 above when they unfold, nearly fully grown when the flowers open 

 late in May and then very thin, yellow-green and nearly glabrous, 

 and at maturity thin, yellow-green and scabrate on the upper sur- 

 face, pale bluish green on the lower surface, 5-6 cm long and 4.5-5 

 cm wide, with thin rose colored midribs and primary veins; petioles 

 slender, slightly wing-margined at the apex, glandular, with minute 

 often persistent glands, 2-3 cm in length ; stipules linear to linear- 

 falcate, acuminate, glandular, fading brown, caducous. Flowers 

 1.8-2.5 cm in diameter, on long slender pedicels, in narrow mostly 

 5-7-flowered corymbs, the elongated lower peduncles from the axils 

 of upper leaves ; calyx- tube broadly obconic, the lobes separated by 

 wide sinuses, gradually narrowed from the base, short, slender and 

 glandular at the apex, entire or occasionally dentate, reflexed after 

 anthesis ; stamens 15-20; anthers pale rose color; styles 3 or 4, sur- 

 rounded at the base by a narrow ring of-pale hairs. Fruit ripening 

 the end of October, on slender spreading red pedicels, in few-fruited 

 clusters, short-oblong, full and rounded at the ends, slightly angled, 

 red, pruinose, marked by small pale dots, 1-1.2 cm in diameter; calyx 

 very prominent, with a broad deep cavity narrow and tomentose in 

 the bottom, and spreading lobes dark red on the upper side below 

 the middle ; flesh green, dry and mealy ; nutlets 3 or 4, acute at the 

 ends, rounded and slightly grooved or irregularly ridged on the 

 back, 6.5-7 "^1"^ long, and 4-4.5 mm wide. 



