10 ANALYSIS OF THE NATURAL ORDERS. 



c Flowers in a compact head surrounded by an involucre COMPOSITE. 70 



c Flowers separate, irregular, perfect. Plants erect or trailing LOBELIA CEJE. 71 



e Flowers separate, regular, imperfect. Weak vines ORDER 58 



d Leaves alternate. Flowers 5-partecl, regular, separate CAMPANULACEJE. 72 



d Leaves alternate. Fls. irregular, 5-partecl. S. F]a..Sccet'ola. GOOJ>ENIACE.. (71$' 



d Leaves opposite, with stipules between, or vcrticillate RUBIACEJE. 61 



d Leaves opposite. Stipules none. . (v) 



v Stamens 5 4. Ovaries 2-5-celled CAPRIFOLIACE^. Gfi 



v Stamens 2 3. Ovaries 1-celled VALERIANACE.E. 68 



v Stamens 4. Flowers capitate DIPSACE^E. 69 



e Herbs. Ovary with 5 styles and but 1 seed PLUMBAGINACE.E. 83 



e Herbs. Ovary with 1 style and many seeds PRIMULACE.E. 81 



e Trees or shrubs. Appendages between the stamens SAPOTACE^E. 78 



Trees or shrubs. No appendages between the stam. S. Fla..MYRSiNACE^E. (79) 

 / Leaves opposite. Style 1. Drupe 4-seeded. Herbs, Bhrubs..VERBENACE^:. 90 

 / Leaves alternate. . (w) 



w Drupe 4-6-seeded. Shrubs, trees AQTJIFOLIACE^E. 74 



w Drupe 1-seeded. Thorny. S. Fla Ximenia. OLACACE.E. (80) 



w Capsule 2-5-celled, 00-seeded ERICACEAE. 73 



g Herbs, with alternate leaves, generally rough-hairy BORRAGINACEJG. 92 



h Stiermas connate. Flower bud convolute APOCYNACE.E. 99 



k Stigmas connate. Flower bud valvate ASCLEPIADACE^E. 100 



h Stigmas distinct. Flowers minute, yellow CONVOLVULACE^E. 95 



k Ovule solitary. Corolla limb entire ORDER 103 



k Ovules several. Leaves cleft and lobed HYDROPHYLLACE^. 93 



k Ovules several. Leaves or leaflets entire.. (x) 



x Flowers not spicate GENTIANACE.E. 97 



x Flowers spicate | 



T 11 T i -i j f PLANTAGINACE^E. 82 



m Leaves all radical. Flowers spiked . . . ' 



TO Leaves opposite. Ovary 2-celled LOGANIACEJE. 98 



TO Leaves alternate.. Cy) 



TO Leaves opposite. Ovary 3-celled. Not twining. . I ..POLEMONIACE.E. 94 



y Ovary 3-celled. Not twining I " 



y Ovary 2-4-celled. Twining CONVOLVULACE^E. 95 



y Ovary 2-4-celled, 4-seeded. Erect BORRAGINACE^E. 92 



y Ovary 2-celled, OO-seeded. z Styles 2 HYDROPHYLLACE m. 93 



z Style 1 SOLANACE.E. 9G 



n Stamens 4. Ova. 4-(rarely 1- or 2-)celied, with as many sds . . VERBENACE.E.90 



n Stamens 2. Ovary 2-celled, forming 1 or 2 seeds OLEACE^E. 101 



9 Ovary deeply 4-parted, forming 4 (or fewer) achenia. .(p) 



o Ovary entire. 4-ovuled, 4- or fewer-seeded. Leaves opposite.. VERBENACE.E. 9U 



O Ovary entire, OO-ovuled, 00- or several-seeded ..(*) 



p Leaves opposite. Stems square. Stamens 2 4 LABIATE. 91 



p Leaves alternate. Stems round. Stamens 5 EORRAGINACEJE. 92 



Trees or climbing shrubs. Seeds winged BIGNONIACE^E. 8( 



Trees. Seeds not winged SCROPHUL. 88. Erect shrubs ERICACEJE. 73 



Herbs. ss Leafless parasites. Native. Ovary 1-celled OROBANCIIACE^:. 85 



ss Leafy at base or in the water. Flowers spurred. .LENTIBULACE^E. 84 

 ss Leafy. Flowers large, spurless. Ovary 1-celled... GESNERIACE^E. 87 



ss Leafy. Spurless. Fruit 4- or 5-celled BIGNONIACE^E. 86 



ss Leafy. Fruit 2-celled . . (<) 



1 Seeds on hooks or cups. Corolla mostly convolute ACANTHACE^E. 89 



I Seeds without hooks. Corolla imbricated in the bad SCBOPHULABIACE^E. 88 



t Seeds without hooks. Corolla mostly plicate SOLANACEJS. % 



