TREES AND SHRUBS. 



extending to ihe points of the lobes ; petioles slender, from 2.5 to 3 centimetres in length ; stipules 

 red, glandular, persistent until the flowers open. Flowers 1.8 centime!: m m diameter, M slender 

 flowered corymbs; calyx-tube broadly obconic, the lol.es separated by wide sinuses, broad, acute. 

 die, reflexed after anthesis; stamens front fifteen to twenty ; anthers dark red: styles iron, three 

 stout ereet pedicels, suhglobosc. flattened at the ends, sometimes rather broader than high, dull e 

 'i diameter; calyx-tube very short, the cavity broad and shallow. 

 istly deciduous from the ripe trait ; flesh thin, bright green and mealy; nutlets live. 



dark purple-brown in their first season and dull r.-d-i : 0* tht following year, and armed with stout straight or slighth curved 

 chestnut-brown lustrous spines from 3.5 to 1 centimetres in length. 



Missouri: Dexter, Stoddard County, B. F. Bush, April 23, 1912 (No. 8633, type), October '.», l'.UJ 



Crat.kc.i-s kkmota, n. sp. (Pruinosa.) 



Glabrous with the exception of a few hairs on the upper side of the midribs of the young leaves. Leaves broadly 

 nate, rounded or occasionally abruptly cuneate at the entire base, finely serrate above with straight glandular teeth, and dialed 

 above the middle into four or five pairs of short broad spreading lobes ; about half-grown when the flowers open and then thin, 

 yellow-green, smooth and lustrous above and pale bluish green below, and at maturity thin, dark bin. -green and lustrous on tin- 

 upper surface, pale bluish green on the lower surface, from 5 to 7 centimetres l,„,g and from 1 to 5 centimetre* wide, with slender 

 yellow midribs and primary veins; petioles slender, slightly wing-margined at the apex, occasionally gbnduLr w i, 

 minute stipitate glands, from 3 to 3.5 centimetres in length. Flowers 1.5 centimetres in diameter, on short slendei ,, dn . Is. m 

 small compact mostly seven- or eight-flowered corymbs; calyx-tube broadly obconic, the lobes gradually narrow.,! from wide 

 , laciniately glandular-serrate near the middle, retlexed after anthesis ; stamens ten ; anthers red; styles 

 t the base by a broad ring of pale tomentum. Fruit on short stout erect or spreading pedicels, in few- 

 fruited clusters, slightly obovate, rounded at the ends, scarlet, pruiiiose, from 1 to 1.5 centimetres Ion-, and from S to 10 milli- 

 metres in diameter; calyx prominent, without a tube, with a broad deep cavity pointed in the bottom, and erect incurved |*rsj«tent 

 lobes red on the upper side below the middle ; flesh hard, given and dry; nutlets four or live, narrow, d and nuded at the apex, 

 acute at the base, ridged on the back with a high narrow ridge, from 8 to 9 millimetres long and boa 1 to 1,. millimetres 



An arborescent shrub, from 3 to 5 metres high, with small stems and branches, :m d slender nearly >t might hviMllbtl dark orange- 

 green when they first appear, becoming bright chestnut-brown and lustrous and marked by small pak b in i. M U k I 

 and dark gray-brown the following year, and armed with numerous very slender slightly cun.d light ch. -si nut-brown shining 

 spines from 4 to 6 centimetres in length. Flowers the middle of May. Frail ripens the end of September. 



Michigan : Robinson Road, west of Read's Lake, east of Grand Rapids, Kent County, E.J. C...Y, May U and September 9, 1902 

 (No. 86, type), May 18, 1901, September 14, 1902, May 17, 1903 (No. 44). 



Crataegus superata, n. sp. (Pruinosce.) 



Glabrous. Leaves ovate, acute or acuminate, broad and rounded at the entire base, coarsely doubly serrate above with straight 

 glandular teeth, and slightly divided above the middle into three or four pairs of short broad acuminate iob« ; nearly half-grown 

 when the flowers open and then thin, yellow-green and very smooth above, pale or glaucous below, and at maturity thin but t.nn, 

 dull dark blue-green, smooth and lustrous on the upper surface, pale blue-green on the lower surface, 5 or 6 centimetres long and 

 4 or 5 centimetres wide, with prominent yellow midribs, and thin primary veins extending obli.pieh to the points of the lobes ; 

 petioles slender, slightly wing-margiued at the apex, glabrous, glandular with minute stipitat. oftaap« d* it |hlfa, boa I ■> 

 to 3 centimetres in length. Flowers from 1.8 to 2 centimetres in diameter, on long •leader pedicels, m small compact mostly 

 from five- to seven-flowered corymbs ; calyx-tube broadly obconic, the lobes gradually narrowed from w id. has. s, short, acuminate, 

 entire or occasionally dentate near the middle, reflexed after anthesis ; stamens ten ; anthers pah pink j m. h l four or five, sur- 

 rounded at the base by a broad ring of pale tomentum. Fruit on short stout erect or spreading pedicels, in lew-frmte. c usters, 

 subglobose, green and lustrous, becoming crimson when fully grown, pruinose, marked by small dai k df M, OWI 1 to 1.2 centi- 

 metres in diameter ; calyx little enlarged, with a deep narrow cavity, and small erect red lobes ; flesh thm, dry and mealy ; nut- 

 lets four or five, narrowed and rounded at the ends, ridged on the back with a high narrow edge, about G millimetres long and 

 4 millimetres wide, the narrow hypostyle extending for about one-third the length of the nutlet. 



A shrub, from 3 to 4 metres high, with numerous stems from 1 to 1.2 decimetres in diameter, covered with dark gray bark, 

 ascending and spreading branches forming a broad open irregular head, and stout nearly straight branchlets dark orange-green 

 when they first appear, becoming dark chestnut-brown, lustrous and marked by pale lenticels in their first season and dull gray- 

 brown the following year, and armed with slender nearly straight dark chestnut-brown shining spines from 2.5 to 3 centimetres 

 long. Flowers the middle of May. Fruit ripens early in October. 



Michigan : roadside, five miles south of Grand Rapids, Kent Connty, E. J. Cole, May 23, 1901 (No. 74), May 18, 1903, October 

 1, 1904 (No. 75), May 23 and September 24, 1905 (No. 169, type). 



Crataegus rara, n. sp. (Pruinosa.) 

 Glabrous with the exception of a 1 

 gradually or abruptly narrowed and 



