EXOOENS. 127 



Gulf States. I. Aquifolium, Btteopeast Holly, 30°-60° high ; If.- 

 margins very spiny. Wood white, valuable. Eur. I. paraguayensis, 

 tree ; Ivs. used as tea. Paraguay. Many other spec, both worlds.. 



Ord. HI. Olaclneae. — ris. § or unisexual ; raoemed, spiked, pan- 

 icled. Pet. 4^5-6. Sta. 4-10-12. Pet. sometimes connate ; calyx 

 often accrescent. Ova. free or partly adh. l-i-celled. Drupe 1- 

 oelled, 1-seeded. Trees, Shrubs, often climbing. 36 gen., 170 spec, 

 trop., both worlds. 4 Tribes, distinctions in sta. and ovules. Types 

 given : 



Tribe 1, Several gen. 1. Phytocrdne gigantea, evergreen climber, 

 40° high ; stem porous, filled with delicious water. Martaban, Birmah. 

 Tribe 2. Numerous gen. 1. Icacina, § ; shrubs with ascending or 

 twining branches; panioled fls., scarlet fr. 3 or 4 spec, trop. W. Af. 

 Tribe 3. Only 4 gen. 1. Cansjfera, §; oorol. monopet. Shrubs, 

 few spec. Asia, trop. Australia. Tribe 4. Numerous gen. 1. &lax, 

 § ; evergreen shrubs, often climbing, sometimes thorny, or small trees. 

 24 spec, Asia, Australia. O. striata, ov.. Fig. 181, A. 2. Ximenia. 

 Pis. g, 4-merous, petals distinct. 3 or 4 spec, evergreen; thorny; 

 large shrubs, small trees. Drupes large, edible. Tropics, both worlds. 

 X. americdna, W. Ind., Key West, Fla. 



Geranium Alliance. — Pis. often irreg. ; sometimes unisexual. Pet- 

 als usually 5, rarely 3-4. Sta. few or cd, free or coilnate ; sometimes a 

 part of them reduced to staminodes. Disk usually annular; some- 

 times reduced to glands, or 0. Petals sometimes clawed ; sometimes 

 0. Styles free or connate. Ova. of several carpels, syncarpous or 

 partly apocarpous. Ov. 1-2, rarely oo. Trees, Shrubs, Herbs, bitter, 

 pungent, or resinous ; often fragrant. 



112. ChailletiaceEe. 118, Geraniacese. 



113. Meliacese. 119. Batideae. 



114. Burseracese CAmyri- 120. Zygophyllaceae. 



d^cese). 121. Coriariaceae. 



115. Ochn^cese. 122. Malpighiacese. 



116. Simarub^ceae. 123. Humiriaceae. 



117. Rutaceae. 124. Linaceae. 



Ord. 112. Chailletiacese. — Fls. § or unisexual, small, in capitate 

 cymes. Pet. 6. Drupe pubescent, dry. Lvs. simple, alt. Evergreen 

 Shrubs or small Trees; trop'cs, both worlds. 3 gen., 38 spec 1. 

 Taptira. Several spec, trop. Am. T . .africdna, iro^ Af 2. Steph- 

 anopodium, fl. hd. on the swollen top of the peduncle. Tree, Peru. 

 3. Chaillfetia. Fls. white. Trees or shrubs, often high-climbing. 30 

 spec, both worlds ; chiefly in Brazil. C. toxicdria. Ratsbane ; sds. 

 poisonous. Sierra Leone. 



Ord. 113. Meliaceae.— Fls. § , or J> § ^-J* ?; panicled, showy. 

 Pet. 4-5, rarely 3-7. Sta. usually twice or multiple the number of 

 pet. Disk various. Sta. united into a tube ; free only in. Tribe 1. 

 Stig. disciform or pyramidal. Ova. free, usually 3-5-ceIled. Fr. a 

 drupe, berry, or boll, often poisonous. Large or small Trees, rarely 

 small Shrubs ; often evergreen. Wood hard, colored, fragrant. Lvs. 

 alt., exstip., pinnate ; rarely simple in some gen. of Tribe 4. More 

 than 40 gen., 270 spec ; trop., both worlds. 4 Tribes : 



Tribe 1. Boll (sta. free) ; sds. winged. Few gen. 1. Chlorbxylon 

 Swietenia, evergreen. 60°-100° high ; wood yellow; one of the .?rt/i«- 



