KEY TO THE FAMILIES. 2 9 . 



332. Style 1 undivided. 122 SAPOTACEAE. 

 Styles 2 or more. 333. 



333. Leaves exstipulate. Trees or shrubs. 123 EBENACEAE. 

 Leaves stipulate or, if not, herbs or undershrubs. 



80 EUPHORBIACEAE. 



334. (326) Ovules 2 in each ovary cell. 335. 

 Ovules 3 or more in each ovary cell. 338. 



335. Stamens as many as, and alternating with, corolla lobes or 



fewer. 336. 



Stamens as many as, and opposite, corolla lobes or more. 337. 



336. Tree. Flowers unisexual. (Ilex). 84 AQUIFOLIACEAE. 

 Herbs or climbers. Flowers hermaphrodite. 



129 CONVOLVULACEAE. 



337. Style 1, undivided. 77 MELIACEAE. 

 Styles 2—8, free or partly united. 123 EBENACEAE. 



338. Stamens numerous, or, if 5, then opposite corolla lobes. 339. 

 Stamens 4 — 5 ; if 5, then alternating with corolla lobes. 34O. 



339. Herb. Corolla with many divisions, styles 5. (Orygia). 



43 AIZOACEAE. 

 Corolla of 5 divisions. 96 STERCULIACEAE. 



340. Stamens 5. 133 SOLANACEAE. 

 Stamens 4. 34I. 



341. Stigma 1. (Bowkeria). 134 SCROPHULARIACEAE. 

 Stigmas 2. 137 PEDALIACEAE. 



342. (28I) Style 1. 343. 

 Styles 2 or more entirely free. 344. 



343. Fertite stamens 2 or 4. Flowers irregular. 132 LABIATAE. 

 Stamens 5. Flowers more or less regular. 



130 BORRAGINACEAE. 



344. Styles 2. 129 CONVOLVULACEAE. 

 Styles 3 or more. 345. 



345. Sepals 2—3. SO ANONACEAE. 

 Sepals 4 or more. 60 CRASSULACEAE. 



346. (279) Parasites on trees or shrubs. Ovules not distinct. 



37 LORANTHACEAE. 

 Not stem parasites. Ovules distinct. 347. 



347. Herbs with long stems and tendrils. Flowers unisexual, 



regular or nearly so. Fruit a berry or gourd. 



145 CUCURBITACEAE. 

 Not as in Cucurbitaceae. 348. 



348. Stamens 3 free. Vlei herb with pinnate leaves. Flowers in 



cymes. (Valeriana) 143 VALERIANACEAE. 



Not as for Valeriana. 349. 



349. Sepals 2.Petals 4 — 6. Slightly connate at base. Stamens 8 



or many. Ovary many ovuled. (Portulaca). 



44 PORTULACACEAE. 



