Oleaceae 



733 



3B. Petals present; calyx minute or nearly absent, rarely with few small narrow deciJuous teeth; leaflets usually sessile, with unicellular, 

 spreading hairs at base or glabrous. 

 5A. Bud-scales closely apprcsscd. 



6A. Young branches, petioles, and inflorescence with very minute spreading hairs and minute often stipitate glands. 5. F. sicholdiana 



6B. Young branches, petioles, and inflorescence glabrous or pilose with spreading stiff hairs 6. F. lanuginosa 



53. Outer 2 bud-scales spreading at tip; young branches, petioles, and inflorescence glabrous 1 . F. apertisquamijcra 



1. Fraxinus spaethiana Lingclsh. F. mandshurica var. 

 shioji Kudo; F. commemoralis Koidz.; F. verecunda Koidz. 

 Shioji. Tall deciduous tree with stout, glabrous, gray- 

 ish yellow-brown branchlets; leaves 25-30 cm. long, 7- to 9- 

 foliolate, mostly glabrous or occasionally scattered-hairy on the 

 leaflets beneath, the petioles shallowly and rather narrowly 

 grooved on upper side, dilated at base and somewhat clasping; 

 terminal leaflets petiolate, narrowly cuneate at base, 8-15 cm. 

 long, 3-7 cm. wide, the lateral ones gradually smaller, broadly 

 oblanceolate, rarely narrowly oblong, sessile, slightly oblique, 

 minutely toothed, acuminate to abruptly acute; panicles 10-15 

 cm. long, glabrous; flowers apetalous; calyx cup-shaped, ir- 

 regularly toothed; samaras pendulous, broadly lanceolate, 4 cm. 

 long, 8-15 mm. wide, usually narrowed at both ends, the pedi- 

 cels 5-10 mm. long. — —Mountains; Honshu (Kanto Distr. and 

 westiv.), Shikoku, Kyushu. 



Var. nipponica (Koidz.) Hara. F. nipponica Koidz. 



Yama-shioji, Kai-shiji-no-ki. Petioles and leaf-axis puberu- 

 lent. Honshu (Kai and Harima Prov. and elsewhere). 



2. Fraxinus mandshurica Rupr. var. japonica Maxim. 

 F. excelsissima Koidz.; F. mandshurica sensu auct. Japon., non 



Rupr. Yachi-damo. Large deciduous tree; branches 4- 



angled; leaves 7- to 11-foliolate, the leaflets sessile except the 

 terminal one, narrowly oblong, 5-15 cm. long, 3—4 cm. wide, 

 acuminate, toothed, obliquely cuneate at base, rusty-brown 

 woolly at the attachment, spreading-pilosulous along mid- 

 rib and nerves beneath, usually glabrous above; calyx minute, 

 obconical, deciduous and not persistent in fruit; corolla absent; 

 samaras broadly oblanceolate, obtuse, narrowly cuneate to- 

 ward the base, 2.5-3.5 cm. long, 7-8 mm. wide. — ■ — Apr.-May. 

 Wet places in mountains; Hokkaido, Honshu (centr. and n. 



distr.). The typical phase with the base of leaflets less 



densely woolly occurs in Sakhalin, Korea, Manchuria, and 

 northern e. Asia. 



3. Fraxinus japonica Bl. F. \antoensis Koidz.; F. na- 



l(aiana Koidz. Toneriko. Deciduous tree with thick, 



slightly flattened branchlets; leaves 20-35 cm. long inclusive 

 of the petioles, 5- or 7(-9)-foliolate, the leaflets narrowly to 

 broadly ovate or broadly lanceolate, 5-15 cm. long, 3-6 cm. 

 wide, spreading white-pilose along the midrib beneath, ab- 

 ruptly acute to short-acuminate, toothed, obliquely rounded to 

 cuneate at base, petiolate; calyx small, cuplike, irregularly 

 tootlied, persistent; corolla absent; samaras oblanceolate, 3-4 

 cm. long, 5-7 mm. wide, usually obtuse, narrowly long-cune- 

 ate at base. Wet places in lowlands and mountains; Hon- 

 shu (centr. and n. distr.) ; often planted on borders of paddy 



fields. Forma intermedia (Nakai) Hara. F. inteitriedia 



Nakai; F. \oshiensis Koidz. Nagami-no-toneriko. Sam- 

 aras narrower than in the typical phase. 



Var. stenocarpa (Koidz.) Ohwi. F. stenocarpa Koidz.; F. 



spaethiana sensu auct. Japon., non Lingelsh. Dewa-no- 



TONERiKo. Leaflets oblong to broadly oblanceolate; samaras 

 narrowly lanceolate. Honshu (Dewa Prov.). 



4. Fraxinus longicuspis Sieb. & Zucc. F. yamatensis Na- 



kai; F. borealis Nakai Yamoto-ao-damo. Deciduous 



tree; branches gray-brown, pale brown crisped-hairy while 

 young; leaves 15-25 cm. long inclusive of the petioles, 5- or 

 7-foliolate, the rachis and petioles crisped-hairy while young, 

 usually slightly reddish, the leaflets broadly lanceolate, broadly 

 oblanceolate or sometimes oblong-lanceolate, 5-10 cm. long, 

 2-3 cm. wide, long-acuminate to caudate, short-toothed, nar- 

 rowed toward the base, petiolate; calyx cup-shaped, minutely 

 toothed, persistent; corolla absent; samaras oblanceolate, 3—4 



cm. long, about 6 mm. wide, retuse to obtuse. Mountains; 



Honshu, Shikoku, Kyushu. 



Var. pilosella (Honda) Hara. F. borealis var. pilosella 



Honda Urage-6-toneriko. Leaflets pubescent beneath. 



Occurs with the typical phase. 



Var. latifolia Nakai. (?) F. pubinervis BL; (?) F. obovata 



Bl.; (?) F. satsiimana Koidz. Hiro-ha-ao-damo, Tsukushi- 



TONERiKo. Leaflets broader, ovate to narrowly so. Occurs 



with the typical phase. 



5. Fraxinus sieboldiana Bl. F. sieboldiana var. angus- 

 tata BL; F. angustata (Bl.) Hatus.; F. tobana Honda; F. longi- 

 cuspis var. sieboldiana (Bl.) Lingelsh. Maruba-ao-damo. 



Deciduous tree; buds closed, the scales gray-puberulent to 

 nearly glabrous outside; branchlets slender, gray-brown, 

 spreading-puberulent while young; leaves 5-(-7)-foliolate, 10- 

 15(-20) cm. long inclusive of the pedoles, the petioles and 

 rachis puberulent while young, the leaflets narrowly to broadly 

 ovate, sometimes broadly lanceolate, 5-10(-13) cm. long, 1.5- 

 3.5 cm. wide, long-acuminate, glabrous or with spreading 

 white hairs along the midrib beneath, toothed or nearly entire, 

 subsessile; calyx minutely toothed; petals 4, 6-7 mm. long, free, 

 linear-oblanceolate, white; samaras oblanceolate to linear-ob- 



lanceolate, 2.5-3 cm. long, about 5 mm. wide. Apr.-May. 



Mountains and hills; Honshu, Shikoku, Kyushu; common. 



Korea. 



6. Fraxinus lanuginosa Koidz. F. sieboldiana var. pu- 

 bescens Koidz. Ao-damo, Koba-no-toneriko. Closely re- 

 lated to the preceding; young branches, inflorescence, and 

 petioles glabrous or pilose with spreading stiff hairs; buds 

 smooth or pilose with spreading stifl unicellular (rarely bicell- 

 ular) hairs; leaflets generally distincdy serrate and sometimes 

 larger. Mountains; Hokkaido, Honshu, Shikoku, Kyushu. 



7. Fraxinus apertisquamifera Hara. F. sambucina 



Koidz., excl. syn. Mivama-ao-damo. Deciduous small 



tree with rather slender, glabrous branchlets; leaves rather 

 thin, 10-20 cm. long inclusive of the petioles, (5-)7-foliolate, 

 glabrous or nearly so, the leaflets broadly lanceolate to nar- 

 rowly ovate or oblong, 5-12 cm. long, 2-4 cm. wide, long- 

 acuminate, sessile except the terminal one, acutely toothed, 

 obliquely acute to rounded at base, hairy along the midrib 

 beneath; panicles glabrous; calyx minute or absent; petals 4, 

 free, very narrow, white; samaras narrowly oblanceolate, ob- 

 tuse to retuse, 2.5-3 cm. long, about 5 mm. wide. Moun- 

 tains; Honshu. 



