19. Crataegus Váiliae Britton. Miss Vail's Thorn

Fig. 2353

C. Vaihae Britton, Bull. Torr. Club 24: 53.

1897. Crataegus missouriensis Ashe, Bull. N. Car.

Agric. Coll. 175: no. 1900.

A shrub, sometimes 10° high, with ascending branches and a round symmetrical crown. Spines numerous, slender, 1'-2' long; leaves elliptic-ovate to obovate, 3/4'-2 1/4' long, 1/2-1 3/4' wide, acute at the apex, cuneate, coarsely serrate or doubly so, subcoriaceous, rough-pubescent and shining above, pale-tomentose beneath; petioles 2"-4" long; corymbs pubescent; flowers 6" or 7" broad; stamens about 20; anthers pink; styles and nutlets 3-5; calyx-lobes laciniate; fruit subglobose to pyriform, orange-red, about 5" thick, slightly villous, calyx-tube rather prominent, the lobes persistent, reflexed.

Rocky bluffs and river banks, southwestern Virginia to North Carolina and Missouri. May; fruit ripe October.

20. Crataegus Brŕinerdi Sargent. Brainerd's Thorn

Fig. 2354

C. Brainerdi Sarg. Rhodora 3: 27. Feb. 1901.

C. scabrida Sarg. Rhodora 3: 29. 1901.

C. Egglcstoni Sarg. Rhodora 3: 30. 1901.

C. asperifolia Sarg. Rhodora 3: 31. 1901.

C. Schuettei Ashe, Journ. E. Mitch. Soc. 2: 7. July 1901.

A shrub or tree, sometimes 200 high, with ascending branches. Spines 1'-2 1/2' long; leaves elliptic to ovate (in the Egglestoni type often oval to orbicular), acute or acuminate at the apex, abruptly cuneate or rounded at the base; finely serrate or doubly serrate and lobed, 1 1/4'-3 1/2' long, 3/4'-2 1/2' wide, subcoriaceous or membranous; bright green and glabrate or occasionally scabrate above, pubescent along the veins beneath; corymbs glabrous; flowers about 10" broad; stamens 5-20; anthers pink; styles and nutlets 2-4; fruit short-ellipsoid to globose, cherry-red to scarlet, about 5" thick; nutlets usually with shallow pits on the ventral faces.

New England to northeastern Iowa, south to Pennsylvania. May; fruit ripe September.

20 Crataegus Br Inerdi Sargent Brainerd s Thorn 696

21. Crataegus Laurentiŕna Sargent. Fernald's Thorn

Fig. 2355

C. laurentiana Sarg. Rhodora 3: 77. April 1901. C. Fernaldi Sarg. Rhodora 5: 166. June 1903.

A large much branched shrub, sometimes 15° high, with spines 2' or 3' long. Leaves oblong to oblong-ovate, 1 1/4'-3' long, 1-2' wide, acute or acuminate at the apex, cuneate at base, sharply serrate or doubly serrate with 3-5 pairs of acute lobes towards the apex, subcoriaceous, bright yellow-green above, pubescent beneath, becoming glabrous; corymbs white-tomentose; flowers 7" or 8" broad; stamens about ten, anthers small, pale pink; calyx-lobes glandular-margined, lanceolate; styles and nutlets 4 or 5; fruit ellipsoid, dark crimson, 5" or 6" thick, slightly villose; calyx-lobes reflexed, persistent.

Newfoundland, Nova Scotia, Quebec, Maine, and shores of Lake Superior. June; fruit ripe September.

21 Crataegus Laurenti Na Sargent Fernald s Thorn 697