^^ SYNUl'TICAL KKY. 



58. Styrace^, i>. 470. Fruit fleshy, lieconuTig dry, 3-valveil, l-seedcii. f'alyx truiKate : jiet- 



ul^ 4 to «, nearly distinct : stamens 10, mouadelphous : style 1. Shrub, with alternate, 

 entire leaves. 



59. Oleacece, i>. 471. Fruit a simple sannini, usually l-cellcd and 1-secded (or a 2-cellcd druiio 



or capsule). Flowers 4-inerous, perleet or iliu-cious : pedals often none : stamens usually 

 2 : stylo 1. Shrubs or trees, with opi>osite pinnate or simple leaves, 



+ »• ++ Carpels 2, united by their styles or stigmas, beeoming distinct follicles with numerousconio.se 

 seeds. Perennial herbs, with milky juice, and opposite entire leaves : flowers 5-merous. 



60. Apocynaceee, p. 472. Corolla convolute in the Inid. Anthers nearly free : ]»ollen powdery. 

 Gl. Aaclepiadaceae, p. 474. Corolla and calyx nearly valvate. Anthei-s attached to the stig- 

 ma : pollen in wa.vy masses. 



+t +f *^ Fruit l-cellcd : i)lacenlie 2, parietal (sometimes united in the axis). 

 02. QentiaHacece, p. 478. Capsule soptieidal, few- numy-seeded. Flowers 4- f)-merous : style 

 1 or none ; stigmas 1 or 2. (ilabrous herbs, with simiile and opiiosite or 3-foliolate and 

 allernale leaves : inflorescence not scorpioiil. 



64. Hydrophyllaceae, p. 5U1. Capsule loculicidal, few - many-seeded. Flowers 5-merous: 



styles 2, usually more or less distinct. Herbs {Eriodidinm shrubby), often rough-hairy, 

 with alternate (rarely opposite) often compound leaves, ami mostly scorpioid inflorescence. 



+t ++ -n- ++ Fruit 2-4-celled, with central idaeentiw. 



75. Plantaginaceae, p. 610. Capsule 2-eelled 2 - few-seeded, eircumscissile. Flowers 4-me- 

 rous : stanii'iis 2 or 4 : style 1 : corolla searious. Acaulesccnt herbs. 



00. CouvolvulacCce, p. 5:52. Capsule 2-eelled, 1 - 4-seeded, 2-valved or eircuin.sinssile. Flow- 

 ers mostly 5-merons : styles 1 or 2. Herbs, mostly twining, with ultermite leaves, or 

 parasitic ami without green herlmge. 



65. Borraginaceae, \\ 518. Ovary 4-celled and mostly 4-lobetl, maturing usually as many 



1 -seeded luulets. Flowers 5-merous : style single. Herbs, mostly rough-hairy, with 

 alternate (or the lower opposite) entire leaves, and scorpioid inflorescence. 



63. Polemoniaceae, [i. 485. Capsule 3-celled, 3 - many-seeded, loculicidal. Flowers 5-merous : 

 style 3-elelt. Herbs (rarely woody at base), with opposite or alternate simple or com- 

 pound leaves. 



07. Solauaceae, \}. 537. Fruit a berry or eai)sule, 2-celled (rarely more), many-seeiled. Flowers 

 5-merous : style sini[.le : corolla valvate or plaited in the bud. Herbs (rank-scented) 

 or shrubs, with alternate simple or pinnate leaves. 



Caps\de didymous, nioslly 2iurted, cir.'um.seissiie, 2 - 4-see(led. Stamens 2 or 3 : style 1. Nearly 

 berbaeeuus, with mostly oppusile .sehsile leaves. M I'.Nolxilt.V in iHcacac. 



Capsule 2-celled, many-seeded. Flowers 5-merous : style .single : corolla irregidar, imbricate. 

 Herbs with alternate leaves and racemose flowers. ViiltBAscuM in Hcropkitlariaceu'. 



Capsule imperfectly 3-celled, several-seeded. Flowers 5-merous : stamens 10 or more : .styles 3. 

 Seeds thin, winged or como.so. SnuiU spineseent trees. Foi'iji'iKHA in Tanuiriscinac. 



♦ » Flowers irregular. Fertile stamens 4 and didynamous, sometimes 2. 



+- Fruit cap.sular, 1 - 2-celled : style 1. 



4*- Seeds albuminous. 



68. Scrophulariaceae, p. 546. Capsule 2-celled, with central plucoutie, few - many-seeded. 



Corolla imbricated. Herbs or sometimes woody, with alternate or opposite leaves. 



69. Orobanchaceae, p. 583. Capsule 1-celled, 2-valved, with 2- 4 parietal jilaeentie, many- 



seeded. Parasitic herbs, without green foliage : scales alternate. 



++ ++ Seeds without albumen. 



70. Lentibularieae, p. 586. Capsule 1-celled, with centiiil placentic, bursting inegularly, many- 



seeded. Stamens 2 ; anthers 1-celled. Floating herbs, with capillary dissected leaves. 



71. Bignoniaceee, p. 586. Capsule (linear) 1 - 2-eelieil, 2-vnlveil, with numerous winged and 



tutted seeds. Shrubs, with linear entile opposite or alternate leaves. 



72. Acanthaceae, p. 587. Capsule davate, 2-(.-elled with central placenta;, 4-seeded : seeds on 



hook-like processes of the placentie. Stamens mo.stly 2. Herbs or slirubs ; leaves opposite. 



-1- +- Fruit of 2 or 4 distinct or united 1-seedeil nutlets. 



73. Labiatae, p. 589. Ovai-y 4-lobed around the 2-cleft style, forming as many distinct nutlets. 



Stamens 4 or 2. Mostly aromatic herbs or woody at base, with stjuare stems, and 

 o])posite simple leaves. 



74. Verbenaceae, p. 607. Ovary not lobed, 2-4-<;elled ; fruit sulilting into as many nutlets. 



Stamens 4 ; style 1. Herbs or shrubby, rarely aromatic ; leaves opposite or whoiled. 



