216 ANALYSIS OF THE NATURAL ORDERS. 



e Flowers in a compact head surrounded by an involucre .............. COMPOSITE. 7C 



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



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



d Leaves alternate. Flowers 5-parted, regular, separate ..... CAMPANULACE.E. 72 



d Leaves alternate. Fls. irregular, 5-parted. S. Fla..Sccevola. GOO'DENIACE^E. (71$; 

 d Leaves opposite, with stipules between, or verticillate .......... RUBIACE^E. 61 



d Leaves opposite. Stipules none. . (v) 



v Stamens 5 4. Ovaries 2-5-celled ....................... CAPRIFOLIACE^E. 66 



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



o Stamens 4. Flowers capitate ................................ DIPSACE.E. 69 



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



Herbs. Ovary with 1 style and many seeds .................... PRIMULACEJS. 81 



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



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

 / Leaves opposite. Style 1. Drupe 4-seeded. Herbs, shrubs.. VERBSNACE^E. 90 

 / Leaves alternate. . (w) 



w Drape 4-6-seeded. Shrubs, trees .................... AQUIFOLIACE.E. 74 



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



tc Capsule 2-5-celled, QO-seeded ........................... ERICACEJE. 73 



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



k Stigmas connate. Flower bud convolute ............. APOCYNACE^E. 99 



A Stigmas connate. Flower bud valvate ............ ASCLEPIADACEJS. 100 



h Stigmas distinct. Flowers minute, yellow ........ CONYOLVULACEJS. 95 



fc Ovule solitary. Corolla limb entire .............................. ORDER 103 



ft Ovules several. Leaves cleft and lobed ............. HYDROPHYLLACE^B. 93 



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



x Flowers not spicate .............................. GENTIANACEJS. 97 



m Leaves opposite. Ovary 2-celled .......................... Lou AKIACE.E. 98 



m Leaves alternate. . (y) 



m Leaves opposite. Ovary 3-ceUed. Not twining.. ) .PQLEMONIACE^. 94 

 y Ovary 3-celled. Not twining .............. > 



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



y Ovary 2-4-celled, 4-seeded. Erect ............... BORRAGINACEJB. 92 



y Ovary 2-celled, 00-seeded. z Styles 2 ....... HYDROPHYLLACE^E. 93 



z Style 1 ............... SOLANAOEJS. 96 



n Stamens 4. Ova. 4-(rarely 1- or 2-)celled, with as many sds . . VERBENACE^E.W 

 n Stamens 2. Ovary 2-celled, forming 1 or 2 seeds ............. OLBACEJS. 101 



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



O Ovary entire. 4-ovuled, 4- or fewer-seeded. Leaves opposite.. VEBBENACBJZ. 90 



o Orary entire, 00-ovuled, OO- or several-seeded.. () 



p Leaves opposite. Stems square. Stamens 24 ............... LABIATE. 91 



p Leaves alternate. Stems round. Stamens 5 ............ BORUAOINACK,*;. 92 



6 Trees or climbing shrubs. Seeds winged ........ ............. BIGNONIACEJS 8 



Trees. Seeds not winged ..... SCROPHTTL. 88. Erect shrubs ERICACEAE. 73 



Herbs.** Leafless parasites. Native. Ovary 1-celled ..... OROBANCHACE^B. 85 



68 Leafy at base or in the water. Flowers spurred. . LENTIBULACEJS. 84 

 ss Leafy. Flowers large, spurless. Ovary 1-celled... GESNERIACEJE. 87 

 ss Leafy. Spurless. Fruit 4- or 5-celled ........... $ BIGNONIACEJS. 86 



-*? Leafy. Fruit 2-celled . . (0 

 t Seeds on hooks or cups. Corolla mostly convolute ........... ACANTHACEJE. 89 



t SoedH without hooks. Corolla imbricated in the bad.. . ..SOAOPHULABXACE^:. 88 



f Seeds without hooks. Corolla mostlv nlicate .................... SOLANACEJS. 98 



