EXOQENS. 123 



apical; or samara, drupe, berry. Trees, Shrubs, rarely Q|. Herbs. 

 Often saponaceous. Chiefly tropical, both worlds ; most numerous in 

 Am. More than 70 gen. 700 spec. 5 Sub-Orders; 



Sub-Ord. 1.— Fls. g , reg. Boll 2-3-lobed, dehisc. apical. Lvs. 

 opp. 1. Staphylea, Bladder-nut. Pet. 6, sta. 5. Fls. white, 

 racemed or panicled. Boll 3-lobed, inflated. Lvs. pinnate. Shrubs, 

 low trees. 4 spec, Eur., Asia, Am. S. irifhlia, decid., 10° high. 

 Can. to Gulf. 8. Turpinia occidentdlis, near last, but evergreen. Tree 

 2-5° high ; fr. edible. W. Ind. 



Sub-Ord. 2.— Fls. irreg. Boll 4-5-eeUed. 1. Melidnthus. §. 

 Evergreen shrubs. Pet. 5, sta. 4. Fls. large, honey-bearing, purple, 

 yellow, brown, racemed. Few spec. Cape G-. H. 2. Greyia Suther- 

 Idndii. Pet. 5, sta. 10. Pis. crimson, racemed. Elegant tree, Natal. 



Sub-Ord. 3. — Fls. reg. Petals sometimes 0. Fr. various. Lvs. 

 rarely opp. 1. Dodona^a. Fls. apet., g or (J' f^ 9i racemed or 

 panicled. Sta. 5-8. Boll angled, winged. 50 spec, evergreen 

 shrubs; both worlds, chiefly in Australia. D. viscbsa. Switch Sok- 

 RBL. Boll 3-angled, 3-seeded; sds. edible. Lvs. simple, acidulous. 

 Shrub, 6°-10° high. S. Fla., W. Ind., Polynesia. 



Sub-Ord. 4. — ^Pls. reg. Samara. Lvs. opp. 1. Negiindoaeeroldes, 

 Box-Elder. Fls. J> ? , apet. ; ^ fascicled, ? racemed. Sta. 3-12. 

 Samara twin, 2-seeded. Lvs. pinnate, 3-5-foliolate. Tree 30°-50° 

 high. Can to Gulf. 2. Acer, Maple. Fls. J* § , c? § ? , small ; 

 pet. 5-4-12 or 0. Sta. 3-12. Infl. in corymbs or racemes. Samara 

 twin, 2-seeded. Lvs. palmi-lobed, often large. . Trees, temperate 

 regions, both worlds. A. rubrum^ Bed M. Fls. crimson, preceding 

 lvs. 40°-60° high ; old, distorted trunks furnish Ourled Maple. 

 Swamps, Mid. States to Gulf. A. dasycarpum, Silvek M.^ Lvs. 

 silvery-white beneath. 60°-70° high. Northern TJ. S. to Gulf. A. 

 sacchdrinum. Sugar M. 60°-80° high. Sap made into sugar. Old 

 wood furnishes Bird's-Eye Maple. Can. to Gulf. A. Pseudo-Plaia.nus. 

 40°-60° high. Eur. Fig. 205. A. eampesire. Field M. 15°-40° 

 high; planted for hedges. Eur. Sprout, Fig. 7, D; rt.. Fig. 222; 

 wood, Figs. 226, 227. Many other spec. Am. and foreign. 



Sub-Ord. 5. — Fls. often apet. Lvs. rarely opp. Ov. and fr. vari- 

 ous. 1. Melicocca. Fls. white, small, fascicled or panicled. Drupe 

 edible. Lvs. paripinnate. M. bijuga, Genipap. Fr. edible. Ever- 

 green tree, 40°-50° high. Trop. Am. 2. Nephelium. . Pet. 4-6-0. 

 Sta. 8-12. Infl. panicled. Fr. buckeye-like, warty or prickly ; sd. 

 surrounded by a fleshy edible pulp. Lvs. paripinnate. 20 spec, 

 small evergreen trees. S. Asia, Ind. Arch , Feejee Islands. N. Litchi, 

 Lek-Chee. 20° high. China. 8. .^sculus. Fls. g or J* g $, 

 irreg. ; pet. 5-4. Sta. 7-6-8. Infl. panicled. Fr. drupe-like, prickly, 

 1-3-seeded ; sds. large, shining. Lvs. digitate. Trees, shrubs, both 

 worlds, .ffi. Hippocdstanum, Horsbchkstnut. Pet 5 Fls. large, 

 white, mottled. 60°-80° high. Fig. 192. Ind. M. gldbraf'Bvc^- 

 EYB. Pet. 4. Fls. small, yellow. Small tree; Va. to 111., S. to 

 Tenn. 4. Pavia, similar to .^s., but fr. smooth. V.fidva. Fls. pale 

 yellow. 50°-70°. Va. to 111., S. to N. C, Ga., Miss. P. rilbrn. Fls. 

 large, red, showy. 10°-25° high. Va. to Ky., S. to Fla. 5. Cardio- 

 spfermum, Heartsbed. Fls. § . Pet. 4, irreg. Sta. 8. Fls. small, 

 white or green (rarely scarlet), racemed. Boll 3-celled, 3-angled, in- 

 flated, few-seeded ; sd. with heart-shaped hilum. Lvs. 2-ternate or 



