608 



FRAXINUS 



Hort. With dark green, shining foliage. Var. panndsa, 

 Hort. Similar to the former, but Ivs. larger and nar- 

 rower. 



10. velutina, Torr. (F. pistacice folia, Torr.). Tree, to 

 40 ft., with velvety pubescent, rarely glabrous branches : 

 Ifts. 5-9, sometimes reduced to 3 or even 1, short- 

 stalked, oval to lanceolate, entire or remotely serrate, 

 yellowish green, firm and thick at maturity, pubescent 

 or nearly glabrous beneath, 2-4 in. long : fr. spatulate, 

 with marginless body. Texas to Arizona and N. Mexico. 

 S.S. 6:267. -Not hardy North. 



11. Oregdna, Nutt. Tree, to 80 ft. : petioles sometimes 

 glabrous at length : Ifts. 7-9, almost sessile or short- 

 stalked, oblong or elliptic, acuminate, entire or ob- 

 scurely and remotely serrate, light green, 2>-6in. long, 

 thick and firm at maturity : fr. oblong-obovate, with de- 

 current wing, about lj^ in. long. Wash, to Calif. S. S. 

 6:276. 



CO. Fr. elliptic or broadly spatulate, body compressed 

 with the wing all around. 



12. Caroliniana, Lam. (F. platycdrpa, Michx.). 

 WATER ASH. Tree, to 40 ft., with pubescent or gla- 

 brous branches : Ifts. 5-7, stalked, ovate or oblong, 

 acuminate, serrate, rarely entire, pubescent or gla- 

 brous beneath, 2-5 in. long: fr. 1-2 in. long, with pin- 

 nately veined wing, often 3-winged. Virginia to Pla., 

 west to Arkansas and Texas. S.S. 6:274-75. 



BB. Fls. without calyx (only No. 13 has a deciduous 

 minute, calyx}: anthers cordate, rarely broadly 

 oblong: Ifts. generally more than 7, nearly gla- 

 brous. (Subgenus Fraxinaster.) 

 c. Branches 4-angled and usually winged. 



13. quadrangulata, Michx. BLUE ASH. Tree, to 80, 

 rarely 120ft.: Ifts. 7-11, short-stalked, ovate to lanceo- 

 late, acuminate, sharply serrate, yellowish 

 green on both sides, 3-5 in. long: fls. per- 

 fect: fr. oblong, emarginate, winged all 



111! 1 around, 1-2 in. long. From Michigan to 

 Arkansas and Tennessee. S.S. 6:263. 



cc. Branches terete or nearly so. 



D. Bloom dioecious: rachis at the basj of 



Ifts. with thick rufous tomentum. 



14. nigrra,Marsh. (F.sambucifdlia^Sim..). 

 BLACK ASH. Fig. 868. Tree, to 80 ft.: Ifts. 

 9-11, sessile, oblong-lanceolate, rounded at 

 the base, acuminate, sharply serrate, green 

 on both sides, dark above, 3-6 in. long: 

 anthers broadly oblong: fr. narrow-oblong, 

 with decurrent wing. From Canada to Vir- 

 ginia, west to Mo. S.S. 5:264-65. Em. 382. 



15. Mandschurica, Rupr. Tree, to 100 ft., 

 with obtusely quadrangular branches and 

 dark brown buds: Ifts. 9-11, almost sessile, 

 ovate to oblong-lanceolate, sharply serrate, 

 pubescent or hispid on the veins beneath, 

 3-6 in. long: fr. oblong-lanceolate, 1-1% in. 



long. Manchuria, Corea, Saghalin, Japan. Valuable 

 tree of vigorous growth. 



DD. Bloom perfect or polygamous : rachis without con 

 spicuous rufous tomentum. 



E. Buds black. 



16. excelsior, Linn. Fig. 866. Tall tree, to 120 ft.: buds 

 black: Ifts. 9-13, almost sessile, oblong-ovate or ovate- 

 lanceolate, acute or acuminate, serrate, dark green above, 

 paler beneath, 2-5 in. long: fr. oblong, often emargi- 

 nate, about IK in. long. Eu., W. Asia. Many different 

 varieties are cultivated, some of the most distinct being 

 the following: Var. dlbo-marginata, Hort. Lfts. edged 

 white. Var. albo-variegata, Hort. Lfts. blotched white. 

 Var. aurea, Loud. With yellow branches. Var. aurea 

 pendula, Loud. With pendulous yellow branches, but 

 a somewhat weak grower. Var. asplenifolia, O. Ktze. 

 (var. scolopendri folia, Hort.). Lfts. very narrow, al- 

 most linear. Var. crispa, Willd. (var. atrovirens, Hort., 

 var. cucullata, Hort.), with very dark green curled and 

 twisted Ivs.; of slow growth. Var. diversifdlia, Ait. (F. 

 heterophylla, Vahl. F. simplicifolia laciniata, Hort. 



FRAXINUS 



F. rufa, Hort., not Bosc). Lvs. simple or 3-parted, 

 usually incisely dentate. Var. monophylla, O. Ktze. ( F. 

 monophylla, Desf. F. simplicifolia, Willd.). Lvs. 

 simple, ovate, serrate, rarely with 1 or 2 small Ifts. at 

 the base. Var. nana, Loud. (var. polemoniifolia, 

 var. globosa, Hort.). A compact, slow growing, dwarf 

 form with very small Ivs. Var. pendula, Ait. With 

 pendulous branches. One of the best pendulous trees 

 for forming arbors and shady seats. 



EE. Buds brown. 



17. parvifdlia, Lam. (F. lentisci folia, Desf.). Shrub 

 or small tree, to 15 ft., with slender, often purplish 

 branches: Ifts. 7-13, sessile, obovate or obovate-lanceo- 

 late, acute, serrate, 1-2 in. long: fr. oblong, obtuse or 

 acute. W. Asia, S. Europe. Var. pendula, Dipp., with 

 pendulous branches, forming a graceful small weeping 

 tree. 



18. potambpbila, Herd. Small tree, to 30 ft., with 

 rather stout, upright branches : Ifts. 7-13, stalked, 

 rhombic-ovate or ovate-lanceolate, serrate, acute or 

 acuminate, 1-2)^ i n - l n g : f r - linear-oblong, Turkes- 

 tan, Songaria. 



F. angustifblia, Vahl. Allied to F. parvifolia. Lfts. oblong- 

 lanceolate or lanceolate, serrate, to 3 in. long. S. Eu., N. Afr., 

 W. Asia. F. anomala, Wats. Small tree, to 20 ft., with quad- 

 rangular branches: Ivs. simple or pinnate, roundish or round- 

 ish ovate, 1^-2 in.: fr. obovate. Colo., Utah. S.S. 6:266. .F. 

 argentea, Loisel.,is a var. of F. rotundifolia, but in gardens 

 often other Ashes, especially varigated forms, are cult, under 

 this name. F. Berlandieriana, DC. Allied to F. lanceolata. 

 Tree, to 70 ft.: Ifts. 3-5, ovate or obovate, serrate, downy along 

 the veins beneath, to 4 in. long. Texas to Mexico. S.S. 6:273. 

 F. Hiltmoreana, Beadle. Allied to F. Americana. Tree, to 50ft.: 

 branches pubescent: Ifts. 7-9, oblong-lanceolate, pubescent be- 

 neath, 3-6 in. long: fr. l%-2 in. long, e'marginate, with elliptic. 



869. Freesia refracta, var. Leichtlinii. 



marginless body. N. Carolina. .F. dimorpha, Coss. & Dur. Al- 

 lied to F. xanthoxyloides. Shrub: Ifts. 5-7, roundish ovate to 

 oblong, crenately serrate, %-l in. long. N. Africa. Tender. F. 

 dipetala, Hook. & Arn. Allied to F. cuspidata. Shrub : Ifts. 

 5-7, elliptic or ovate, serrate or entire, %-2 in. long: fls. with 2 

 obovate petals. Calif., Mexico. S.S. 6:261. Tender. F. flori- 

 bunda, Wall. Allied to F. longicuspis. Tree, to 40 ft.: Ifts. 5-7, 

 ovate-lanceolate, serrate, reticulate beneath, 2-4 in. long: pani- 

 cles large, to 10 in. long: petals oblong. Himalayas. Tender. 

 F. Greggi, Gray. Allied to F. cuspidata. Small tree: Ifts. 3-7, 



