598 ORDER 99. OLEACE^E. 



* 



beneath, 2 to 3 V t>y 18'' to 2'. Timber less valuable. Apr., May. (F. tomen- 

 tosa MX.) 



3 F. viridis MX. f. GREEN Asn. Lfls. 7 to 9, petiolulate, ovate or ovate-lance^ 

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

 anTl 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 treo 

 15 to 2 of high in wet woods U. S., especially the Western, "Wis. to Tenn. and Car. 

 Lfts 2t to 4' long, with a long, slender point Fruit 12 to 15" long. May. (F. 

 concolor MuhL F. juglandi folia DC.) 



4 P. platycarpa MX. Lfts. 5 to 7, short-petioled, subserrate, elliptic, acuto at 

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

 elliptic-oblanceolate, 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' long, 

 a third as wide. Samara 18 to 20" long, G" or more wide above the middle, ta- 

 pering to the narrow, margined base. 



/?. TRIPTERA. Lfts. oblanceolate and oblong, samara more frequently 3-winged. 

 S. Car. to La. (F. triptera Nutt.) 



5 F. quadrangulata MX. BLUE- Asn. Lfts. 1 to 9, short-petlokd, ovate-lanceolate 

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

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

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

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

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

 Anth. of the fertile fls. oval, narrowed towards the base. Timber strong and 

 clastic, like that of No. 1. May. 



6 F. sambticifolia Lam. BLACK Asn. 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 

 U. S. and Can. Height 40 to 7 Of, with a trunk 2f diam. Bark brown. Buds 

 blue. Lfts. 3 to 4' long. Samara 16 to 20" by 3 to 4'', entirely naked at base! 

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

 maker. 



7. F. excelsior L. EUROPEAN ASH. Lfts. 11 to 13, subsessile, lance-oblong, 

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

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

 which {3. pendula, Weeping Ash, is the most interesting, f Eur. 



8 F. Ornus L. FLOWERING ASH. Lfts. 7 to 9, subpetiolulate, lanceolate, 

 ' serrate above, entire at base, bearded on the veins beneath ; buds downy ; pan- 

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

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



2. SYRIN'GA, L. LILAC. (Gr. ovpiy%, a shepherd's pipe ; from the 

 use once made of its branches.) Calyx small, 4-toothed, 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-valved. 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. There are many 

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

 CCERULEA. 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 pinnatifid ; limb of the cor. flattish. A smaller shrub than tho 

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

 entire to pinnatifid, small at flowering time. Apr., May. f Persia. 



3 S. villosa Vahl. (3. Chinensis. Lvs. elliptic, acute at each end, hairy 

 beneath. f N. China. 



