EXOOENS. X43 



1. Lightia. Sta. all perfect. E v. trees, 2 spec, (resembling Chryso- 

 balanus Tribe in Eosacese). 3. Trigonia. Sta. all perfect; fls. panicled 

 (resembling Papilionaceae) ; Ivs. opp. Ev. climbers, 25 spec. 3. 

 Vochysia. Sta. 3, 1 fertile. Sep. 5, 1 large, spurred. Pet. 3, 1 large. 

 Fls. usually orange, in large showy panicles ; violet-scented. Boll 

 triangular, 8-celle5, 3-seeded ; sds. winged. 40 spec, fine ev. timber 

 trees. V. rotundlfblia, ova., Fig. 179, E. V. guicmensis, timber is 

 called Copai-ye. 4. Erisma. Sta. 5, 1 fertile. Pet. 1, fan-shaped, 

 clawed. Ova. adli., 1-celled. Fls. blue or yellow, panicled, primrose- 

 scented. Fr. samaroid, often red, pear-shaped, large, crowned by the 

 accrescent calyx-segments. Lvs. opp. or. whorled. Magnificent ev. 

 trees, 80°-120° high. 4 spec. E. Japiira, 100°-120° high ; fls. yellow, 

 fr. red ; sds. edible, beaten and made into butter. Brazil. 5. Qualea. 

 Fertile sta. 1, rarely 2. Pet. 1, fan-shaped; calyx 6-fid, 1 segment 

 spurred. Boll woody, angular, 3-eelled, 3-seeded ; sds. winged. Fls. 

 large, yellow, white, blue, rose, variegati'd, in showy panicles ; prim- 

 rose-scented. 25 spec, ev. shrubs, trees, often 130° high. Q. pulcher- 

 rima, 50° high ; fls. variegated blue, yellow, and red. Pet. 2J' wide. 

 Brazil. 



Ord. 140. Tremandraceae. — Close enough (Bentham and Hooker) 

 to be included in Polygalacese ; the differences being, in Tremandracese, 

 pet. 4-5, equal (reg.); sta. opp. pet.; fila. fi'ee ; anth. extrorse. Fls. 

 sol., Hxil., red, blue, purple, white, on slender peduncles. Ova. 2- 

 celled, cells 1-2-8-ovuled. Boll 2-valved. Lvs. small, entire, usuallj' 

 whorled. Heath-like ev. shrubs. 3 gen., 23 spec, Australia. 1. 

 Tremdndra; pet. 5; fls. purple. 2 spec, W. Australia. 2. Tet- 

 rdtheca; pet. 4-5; fls. purple, yellow, white, opening only in sun- 

 shine. 20 spec, Tasmania, S. Australia. 3. Platytheca galioides 

 (Tremindra verticilldta), only spec. ; fls. lilac, opening but once, only 

 in sunshine. S. Australia. 



Ord. 141. Polygalaceae. — Fls. irreg., sol., racemed or spiked, rarely 

 panicled. Sep. 5 ; 2 inner largest, often winged and petaloid. Pet. 3 

 or 5, hypog., 2 lateral free, or united at base with lower, concave or 

 carinate, rarely ; upper 2 sometimes = lateral, sometimes small, 

 scale-like or 0. Sta. 8, rarely 5-4 ; fil. usually monadelph. Anth. 

 1- rarely 2-celled ; dehisc. , apical, porous. Ova. free, 2- rarely 1-3-5- 

 celled; sty. term., curved, dilated at top, simple or 2-4-lobed. Ov. 

 pend., usually sol. in each cell, rarely twin, rarely 2-6. Boll, drupe, 

 samara. Sds. often velvety; hilum often strophiolate. Perisperm 

 fleshy or mucilaginous, sometimes scant or 0. Lvs. usually simple. 

 Herbs, TJndershrubs, sometimes twining ; sometimes climbing Shrubs, 

 or Trees; usually bitter; rts. milky. About 15 "gen., 400 spec. Cos- 

 mopolitan. 1. Muraltia. Sep. nearly equal. Fls. small, sol. Boll 

 4-horned. Low scrubby shrubs, lvs. stiff', needle-like, fls. sol. 50 spec, 

 S. Af. 2. Monnina. 2 of the sep. large, wing-like. Pet. 3, 1 large. 

 Fr. indehisc, 1-2-seeded, dry or drupaceous, often winged. Fls. usu- 

 ally small, racemed or spiked. Herbs, shrubs, trees ; 50 spec. Pacific 

 States, S. Am. M. polystdchya, M salicifblia, Peru ; bark of rts. sapo- 

 naceous. M. Wrightii, Q, erect; fls. small, greenish- purple, racemed; 

 fr. small, winged irregularly ; is found in Sanoita Valley, Arizona. 

 3. Pol^gala, Milkwort. Prominent characters of Order. Low 

 herbs or ev. shrubs ; medicinal, sometimes poisonous ; fls. often showy. 

 200 spec, both worlds. P. paucifUia, %, stems prostrate, rooting or 



