REPORT OF THE STATE BOTANIST I907 79 



zigzag glabrous branches light orange-green when they first appear, 

 becoming bright chestnut-brown, very lustrous and marked by 

 oblong pale lenticels in their first season and dull red-brown the 

 following year, and armed with many stout slightly curved chest- 

 nut-brown or purplish shining spines 6-8 cm long and often point- 

 ing toward the base of the branch, persistent and branched on 

 old stems. 



Niagara Falls, C. S. Sargent ( ;^ 6, type), September 19, 1901, 

 J. Dunbar, May 22, 1903, September 29, 1904, May 28, 1906. 



Crataegus venustula n. sp. 



Leaves oblong-ovate, acuminate, sharply or abruptly concave- 

 cuneate at the entire base, coarsely doubly serrate above, with 

 straight glandular teeth, and divided into 5 or 6 pairs of small acu- 

 minate spreading lateral lobes ; nearly fully grown when the flowers 

 open during the last week of j\Iay and then membranaceous, dark 

 yellow-green and roughened above by short white hairs, and pale 

 and slightly villose along the midribs below, and at maturity thin but 

 firm in texture, dark green, smooth and lustrous on the upper sur- 

 face, pale yellow-green on the lower surface, 5-7 cm long and 3-5-4.5 

 cm wide, with slender dark yellow midribs, and thin primary veins 

 arching obliquely to the points of the lobes ; petioles slender, wing- 

 margined at the apex, sparingly glandular while young, villose on 

 the upper side early in the season, soon glabrous, 2-2.5 cm in length ; 

 leaves on vigorous shoots broadly ovate to oval, mostly rounded at 

 the base and often 8-9 cm long and 7-8 cm wdde, with stout broadly 

 winged glandular petioles. Flowers on slender glabrous pedicels, in 

 wide usually 15-20-flowered thin-branched corymbs; calyx-tube 

 narrowly obconic, glabrous, the lobes long, slender, acuminate, 

 coarsely glandular serrate, glabrous on the outer, villose on the inner 

 surface, reflexed after anthesis ; stamens 10; anthers pale yellow; 

 styles 2 or 3, surrounded at the base by a narrow ring of white 

 tomentum. Fruit ripening early in October, on stout erect red 

 pedicels, in drooping many-fruited clusters, subglobosc, often 

 slightly broader than high, crimson, lustrous, marked by large pale 

 dots, about i cm in diameter ; calyx prominent, with a broad deep 

 cavity, and long closely appressed coarsely serrate persistent lobes 

 villose on the uj^per side and red toward the base ; flesh thick, 

 yellow, sweet and succulent ; nutlets 2 or 3, broad and nnnidod at 

 the ends, rounded and ridged on the back, with a broad U)w 

 grooved ridge, penetrated on the inner faces by deep cavities, 6-7 

 mm long, and about 4 mm wide. 



I 



