bU» FRAXINUS 



Hort. With dark green, sbining foliage. Var. panndaa, 

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

 rower. 



10. veliJtlna, Torr. (F. pistackefdUa, Ton.}. 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—1 in. long : fr. spatulate, 

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

 S.S. 6:2G7.-Not hardy North. 



11. Oregdna, Nutt. Tree, to80 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^-6 in. long, 

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

 current wing, about 1)^ in. long. Wash, to Calif. S. S. 



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

 Water Ash. Tree, to 40 ft., with pubescent or gla- 

 brous branches : Ifts. fi-T, ^Talked, nvate or oblong, 

 acuminate, serrate, run-ly iiitiic pnhi-scent or gla- 

 brous beneath, 2-5 in. li-iiir: u-. ]-_' in. lung, with pin- 

 nately veined wing, ofti-ii :t-wiiiL.'.Ml. Virginia to Fla., 

 west to Arkansas and Texas. .S.!5. 13:274-75. 



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

 minute calyx): anthers cordate, rarely hroadly 

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

 brous. {Subgenus Fraxinustcr.) 

 0, Branches 4-angled and itsually winged. 



13. quadranffulita, 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 

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

 Arkansas and Tennessee. S.S. C:263. 



cc. Branches terete or nearly so. 



D. Bloom dioecious: rachis at the base of 



Ifts. with thick rufous tomentum. 



14. nlgra.Marsh. {F.sambucifdlia.hsim.). 

 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 O.inada to Vir- 

 ginia, west to Mo. S.S. 5:204-65. I 



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

 868. Key of ''ith obtusely quadrangular branches and 



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

 nigra. ovate to oblong-lanceolate, sharply serrate, 

 Nat. size. 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. excfelsior, 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 IJ^ in. long. Eu., W.Asia. Many different 

 varieties are cultivated, some of the most distinct being 

 the following: Var. 41bo-margin4ta, Hort. Lfts. edged 

 white. Var. dlbo-variegita, Hort. Lfts. blotched white. 

 Var. ailrea, Loud. With yellow branches. Var. aiirea 

 p6ndula, Loud. With pendulous yellow branches, but 

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

 (var. scolopendrifolia, Hort.). Lfts. very narrow, al- 

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

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

 twisted Ivs.; of slow growth. Var. diversifblia, Ait. {F. 

 heterophylla, Vahl. F. simplicifoUa laciniata, Hort. 



FRAXINUS 



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

 usually incisely dentate. Var. monophJUa, O. Ktze. {F. 

 monnphyllu, Desf. F. simplicifoUa, Willd. |. Lvs. 

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

 the base. Var. nana. Loud. fvar. polemoniifolia, 

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

 form with very small lvs. Var. p^ndula. Ait. With 

 pendulous branches. One of tlie best pendulous trees 

 for forming arbors and shady seiits. 



EE. Buds brown. 



17. parvifoUa, Lara. (F. lentiscifblia, Desf.). Shrub 

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

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

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

 acute. W. Asia, S. Europe. Var. p^ndula, Dipp., with 

 pendulous branches, forming a graceful small weeping 

 tree. 



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

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

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

 acuminate, l-2>^ in. long : fr. linear-oblong, Turkes- 

 tan, Soiigaria. 



F. JiiUmoreana. Ke;idle. Allir-.lto V. Amirif.-ma. Tree, to .Wft.i 

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

 neath, 3-6 in. long: fr. 1^-2 in. long, emarginate. with elliptic. 



ii m 



obovate petals, Cilif Mi \: ■- ■- ■- i; JiU. Tender. - 

 biittda, Wall. Allied to F. lonsi-^uspis. Tree, to 40 ft.: lfts. 5-7, 

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

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

 F. Gregg i,Gr&y. AlUed to F. cuspidata. Small tree: lfts. 3-7r 



