598 Order 99.— OLEACEJ3. 



beneath, 2 to 3' by 18" to 2'. Timber less valuable. Apr., May. (F. tomen- 

 tosa Mx.) 



3 F. viridia Mx. f. Greek Asn. Lfls. 7 to 9, petiolulato, ovate or ovate-lance* 

 late, acuminate, serrate, green and glabrous both sides, beneath slightly glaucous 

 an 1 pubescent in the axils of the veins; petioles and branchlets glabrous ; samara, 

 calyculate, spatulate, obtuse, the seed portion as long as the wing. — A small trea 

 15 to 25f high in wet woods U. S., especially the Western, Wis. to Tenn. and Car. 

 Lite 2 V to 4' long, with a long, slender point. Fruit 12 to 15" long. May. (F. 

 coneolor MuhL F. juglandifolia DC.) 



4 F. platycarpa Mx. Lfts. 5 to 7, short-petioled, subserral?, elliptic, acuto at 

 both ends, or slightly acuminate, petioles and veins beneath pubescent; samara 

 eliiptic-oblwiceolate, attenuate at base, broad above, obtuse, calyculate, and often 

 with a third wing ! — Wet woods, Va. to Fla. and La. Lfcs. distant, 3 to 5' Jong, 

 a third a^ wide. Samara 18 to 20" long, 6" or more wide abovo tho middle, ta- 

 iloring to tho narrow, margined base. 



ji. tripteua. Lfcs. oblanceolate and oblong, samara more frequently 3-wingcd, 

 — S. Car. to La. (F. fcriptera Nutt.) 



5 F. quadrangulata Mx. Blue Ash. Lfts'. 7 to 9, short-petioled, ovate-lanceolate 

 or oblong, acuminate, sliarply serrate, obtutish at base, glabrous, veins beneath at 

 base downy ; branchlets glabrous, square, with 4 linear or slightly membanous an- 

 gles, at length terete; buds velvety; samara oblong, obtuse at each end, naked 

 (no calyx!) at base. — A tall tree in rich woods, Ohio to Tenn. and Iowa. Trunk 

 CO to 80f high. Lfts. 3 to 4' long, distinctly petiolulato; petiolules 2 to 5" long. 

 Anth. of tho fertilo (Is. oval, narrowed towards the base. Timber strong and 

 clastic, like that of No. 1. May. 



6 F. sambucifdlia Lam. Black Ash. Water Ash. Lfts. 7 to 11, lance-ovate, 

 sessile serrulate, acuminate, smooth above, tawny villous at their insertion and in 

 the axils of the veins beneath ; fr. oblong, with similar ends, obtuse or emargi- 

 nate, naked (no calyx) at base. — Common in swamps or moist woods, Northern 

 XL S. and Can. Height 40 to 70f, with a trunk 2f diam. Bark brown. Buds 

 blue. Lfts. 3 to 4' long. Samara 1G to 20'' by 3 to 4', entirely naked at base! 

 May. — Wood purplish, tough, elastic, excellent for the cooper and basket- 

 maker. 



7. F. czcelsior L. European Asn. Lfts. 11 to 13, subsessile, lance-oblong, 

 glabrous, with slender serratures; racemes short, dense, samara linear-oblong, 

 obtuse, obliquely cmarginate. — Parks. A tall tree, in many varieties, among 

 which j3. pondula, Weeping Ash, is tho most interesting. \ Eur. 



F. Ormis L. Flowering- Ash. Lfts. 7 to 9, subpetiolulate, lanceolate, 

 serrato above, entiro at base, bearded on the veins beneath ; buds downy ; pan- 

 icles dense ; petals 2 or 4 (white), linear-oblong, much longer than tho calyx ; 

 samara lance-linear, obtuse, attenuato at each end. — Parks, f From Eur. 



2. SYRIN'GA, L. Lilac. (Gr. ovpiyi;, a shepherd's pipe ; from the 

 use once made of its branches.) Calyx small, 4-toothcd, persistent ; 

 corolla salver-form, tube several times longer than the calyx, limb cleft 

 into deep, obtuse, spreading valvato segments ; stamens short, included 

 within the tube. Capsule 2-celled, 2-valvcd. — Oriental, flowering shrubs, 

 ■with simple, entire leaves. 



1 S. vulgaris L. Common Lilac. — Lvs. cordate-ovate, entire, glabrous, green 

 both sides; inflorescence thyrsoid; limb of cor. subconcave. — Thero are many 

 varieties in this beautiful shrub, a. Corolla lilac-purple, in a dense thyrse. /3. 

 CC3RULEA. Fls. purplish -blue. y. alba. Cor. white, thryse subcompound. Apr., 

 Jn. — One of the most popular shrubs, beautiful in foliage and fls. f Hungary. 



2 S. Persica L. Persian Lilac Lvs. lanceolate, acute, smooth, both sides 

 green, sometimes pinnatitid ; limb of the cor. flattish. — A smaller shrub than tho 

 lirst, with smaller thyrses of white or lilac-blue flowers. The leaves vary from 

 entire to piun&tiud, email at flowering time. Apr., May. f Persia. 



3 S. villoea Yahl. j3. Chinensia Lvs. elliptic, acute at each end, hairy 

 beneath. — \ N. China. 



