26 ANALYTICAL KEY. 



Leaves not pcUucid-dotted, ' Page 



Stipulate 5 trees, fruit a pome PaMEJi,301 



Exstipulate ; prostrate herbs with fleshy leaves. . , Mesembryanthemum, 326 



Ovary 1-celled, half free ; calyx-lobes 2. Portulaca, 165 



Ovary 1-celled, inferior, leatles, thorny, succulent plants. . . . Cactaceje, 325 



B, Stamens as viany as -petals and opposite them. 

 Ovary 1-celled. 



Anthers opening elastically by valves Berberidace-s:, 47 



Anthers not opening elastically. 



Climbing shrubs J flowers minute, in axillary cymes . . . MenispermacewSe, 2 



Herbs 5 flowers solitary, pedicelled. ...... Pbimulace^, 515 



Herbs or shrubs ; flowers sessile in spikes or heads. . . . Plumbagine^, 510 



Ovary 2-4-celled. 

 Calyx teeth obsolete or small; corolla hood-like, united at tip. . . Amfelide^, 202 



Calyx 4-5-fid ; petals not united at tip Ehamne^, 200 



C. Stamens not more than 10, or not more than twice as many as petals, or, if as many, alternate 



with them. 



1 . Calyx free from ovory . 



* Ovaries 2 or more, separate. 



Stamens united by filaments, anthers anherent to stigma. . . Asclepiadeje , 523 



Stamens separate, Crassulace^, 313 



* * Ovaries 2-5, more or less united below, separate above. 



Style 1 J leaves pellucid-dotted ; plants with heavy odor Eutaceje, 196 



* * * Ovaries or lobes of compound ovary 5, connected by styles. 



Stamens united in a ring at base Geraniace^e, 189 



* * * * Ovary single. 

 Ovary of 1 carpel ; placenta parietal ; style or stigma 1 5 fruit a pod. . Leguminos.e, 208 

 Ovary compound with more than 1 cell, placenta, style or stigma 

 1-celled, with several stigmas or styles, or placentae or a loment. 

 Corolla irregular. 



Of 2 petals ; sepals 2-5; stamens'3. Oligomeris, 113 



Of 4 petals. in pairs. 

 Not bilabiate ; stamens 4, separate; stigmas 2 .... Hypecoum, .'".3 



Bilabiate; stamens 6, 2-adelphous ; stigma 2-lobed. . . . Fumariace.e, 54 

 Of 5 petals. 



Stamens 5 ; stigmas united Violarip.a:, 118 



Stamens 10, 5 with anthers, 5 without. Moringe^, 207 



Corolla regular or nearly so. < 



Seeds 1-2 at base of cell or pendulous. 

 Trees with or without Turpentine odor ; stigmas 3. . . Anacardiace.v., 205 



Herbs or shrubs ; styles 2-3 PARONycHiE.ai:, 158 



Seeds more than 1, in axis or at base ; herbs. 

 Calyx gamosepalous. 



Exstipulate . , Sileneje, 121 



Stipulate Polycarpe^, 158 



Calyx polysepalous. 



Herbs . Alsine^, 147 



Shrubs or trees Tamarix, 166 



Seeds numerous, on 2 or more parietal placentae. 



Erect herbs or shrubs ; placentae 2 Cleome, 107 



Prostrate herbs or small shrubs Frankeniaceje, 121 



Bog-herbs ; glandular-hairy; placentae 3-5 Droserace^, 317 



2-00 -celled. 

 Flowers irregular. 

 Stamens 1-2-adelphous. 

 8, adherent to corolla ; anthers 1-celled, opening at tip. . . Polygalace*, 120 

 10, free ; pod more or less divided by approach of sutures . . Astragalus, 253 

 Flowers regular or nearly so. 



Stamens 2-3; petals 4 ; shrubs or trees Oleace^, 519 



Stamens 6, tetradynamous ......... CRuciFERiE, 57 



