396 



CRAT.EGUS 



CRAT.EGUS 



tha, Dudl.). Fig. 577. Shrub or small tree, to 20 ft., of 

 dense growth, with numerous long and slender spines: 

 Ivs. rather slender-petioled, broadly elliptic or ovate, 

 doubly serrate, glabrous, shining and dark green above, 

 almost glabrous beneath : corymbs more or less vil- 



576. Crataegus punctata. 



lous; fls. fragrant; calyx-teeth glandular-serrate: fr. 

 % in. in diam. May, June. Quebec to Va., west to Mo. 

 and Dak. S.S. 4:181. B.R. 22:1912. L.B.C. 11:1012 (as 

 C. glandulosa). A.G. 11:509. Sometimes cultivated 

 under the name of C. Douglasi. Var. succulenta, Rehd. 

 (C. succuUnta, Schrad.). Lvs. pubescent beneath: 

 pedicels and calyx densely villous. 



11. sanguinea, Pall. Shrub or small tree, with up- 

 right, spreading branches and short spines: Ivs. ovate 

 or broadly ovate, narrowed into the petiole, irregularly 

 serrate and slightly lobed, more deeply lobed on vigor- 

 ous shoots, nearly glabrous, l%-3 in. long : corymbs 

 pubescent or glabrous; fls. large; stamens 20, with pur- 

 ple anthers : fr. % in. in diam. Siber., Dahur., Amur- 

 land. Var. Altaica, Loud. (var. xanthocdrpa, Regel). 

 Fr. yellow, smaller : anthers whitish: Ivs. more deeply 

 lobed. 



DDD. Fr. black, shining ; stones with 2 furrows. 



12. Douglasi, Lindl. (6. sanguinea, var. Douglasi, 

 Torr. & Gr. ) . Tree, to 40 ft., with slender, often pendu- 

 lous branches, unarmed or with short spines : Ivs. short- 

 petioled, broadly ovate or oblong-ovate, serrate and 

 slightly lobed, nearly glabrous, pubescent on the mid- 

 rib above, chartaceous, 1-4 in. long: corymbs glabrous: 

 calyx lobes triangular-ovate : fr. ripening in Aug. or 

 Sept. May. Brit. Columb. to Calif. S.S. 4:175. B.R. 

 21:1810. 



AA. Foliage distinctly lobed, with veins going from 

 themidrib to the sinuses (see also No.l); stones 

 plain on the inner side except No. 15. 



B. Fr. very small, about Y 6 in. across: calyx lobes 

 separated by a distinct line from the fr. and fall- 

 ing off at length. 



13. cordata,.Ait. (C. acerifdlia, Mnch. C. populifdlia, 

 Walt.). WASHINGTON THORN. Tree, to 30 ft., with 

 slender spines : Ivs. slender, petioled, triangular or 

 broadly ovate, usually truncate at the base, 3-5-lobed, 

 sharply serrate, 134-2Kin. long : corymbs many-fld., 

 glabrous : styles 5 : fr. depressed-globose, shining, 

 bright coral-red. June. 111. to Ala. and Va. 8.8.4:186. 

 B.R. 14:1151. A very desirable species, with beautiful 

 fall-coloring and large clusters of bright red fr. remain- 

 ing a long time on the branches. 



14. apiif dlia, Michx. Shrub or small tree, rarely 20 ft. , 

 with stout spines and the branchlets pubescent when 

 young: Ivs. slender, petioled, broadly ovate, pinnately 

 5-7-cleft, serrate, glabrous or pubescent, %-\% in. long: 

 corymbs few-fid., villous, pubescent; styles 1-3: fr. oval, 

 1-4-1-5 in. high. May. Va. and Fla. to Tex. S.S. 4:188. 

 A handsome species with graceful foliage and an 

 abundance of white fls. in spring and small but bright- 

 colored frs. in fall. 



BB. Fr. % in. or more across : calyx not separated. 



C. Fr. red or yellow. 

 D. Branches and Ivs. glabrous. 



15. Oxyacantha, Linn. HAWTHORN or MAY of English 



literature. Shrub or small tree, to 15 ft., with spreading 

 branches and stout spines: Ivs. short-petioled, cuneate 

 or truncate at the base, roundish or broadly ovate, 3-5- 

 lobed, with incisely serrate lobes, 1-2 in. long: corymbs 

 5-10-fld., glabrous: fr. globular or roundish oval, K-^in. 

 high, scarlet; stones 2, with 2 furrows on the inner side. 

 May. Eu., N. Afr. B.R. 13:1128 (as C. oxyacanthoides). 

 Var. xanthocarpa, Roem. Has yellow fr., very distinct 

 and showy. Often confounded with the following, and 

 less commonly cultivated. 



16. mon6gyna, Jacq. (C. Oxyacantha, Hort.). Shrub 

 or tree, to 20 ft., with stout spines : Ivs. on rather slender 

 petioles, ovate, 3-7-lobed, lobes with few teeth at the 

 apex, 1-2 in. long: corymbs many-fid., with usually hairy 

 pedicels: fr. oval, with usually 1 stone, %-% in. high. 

 May, June. Eu. and N. Africa to Himalayas. Many gar- 

 den forms are cultivated ; some of the most distinct are 

 the following. With single fls.: Var. bicolor, Hort. (var. 

 Gumpperi bicolor). Fls. white, edged pink. F.S. 16:1651. 

 Var. punicea, Hort. Fls. deep red. F.S. 15:1509, Fig. 1. 

 L.B.C. 14:1363. Var. rdsea, Hort. Fls. pink, petals with 

 white claw. With double fls. : Var. alba plena, Hort. 

 With white double fls. F.S. 15:1509, Fig. 2. Var. Pauli, 

 Hort. (var. coccinea, Hort. Var. Paul's New Double 

 Scarlet). Fig. 578. Bright scarlet, one of the most 

 showy. I. H. 14:536. Var. punicea plena, Hort. Scarlet- 

 red. R.B. 24:161. Var. rubr a plena, Hort. Red. F.S. 

 15:1509, Fig. 3. Varieties differing in Ivs. and habit: 

 Var. laciniata, Loud. Lvs. deeply pinnatifld with incised 

 serrate lobes. Var. pteridiidlia, Loud. (var. filici folia , 

 Hort. ) . Similar, but Ivs. longer, with narrower and more 

 incised lobes. F.S. 20:2076. Var. quercifdlia, Loud. 

 Lvs. with broad, rounded and crenate lobes. Var. h6rrida t 

 Carr. Branches with fascicles of numerous stout spines. 

 F.S. 14:1468. G.C. III. 24:13. Var. pendula, Hort. With 

 pendulous branches. Var. pendula rdsea, Hort. A pen- 

 dulous form, with pink fls. Var. stricta, Loud. (var. 

 pyramidalis,~H_ort.). Of fastigiate, upright habit. Var. 

 semperfldrens, Andre* (var. Bruanti, Carr.). Low, grace- 

 ful shrub, flowering until fall. R.H. 1883, p. 140. There 

 are also some vars. with variegated Ivs. 



577. Crataegus macracantha (X 



17. pinnatifida, Bunge. Shrub or small tree, to 20 ft. : 

 Ivs. slender-petioled, cuneate, elliptic-ovate, pinnately 

 5-9-cleft, incisely serrate: corymbs many-fld., usually 

 pubescent: fr. globular or pyriform, dark red, punctate, 



