GAUOPETALiE. 9 



DIVISION 2.— GAMOPETAL^. 



A. OVART INFERIOR (adherent to the calyx) or mainly so. 



Stameua S or 10: corolla-lobes 4 or 5: shrubs Uricaces, 71 



Stamens 10, those alternate with small corolla-lobes sterile, inflezed Sa/mohts, 77 



Stamens 5 (rarely 4), united into a tube. 



Style 2-oleft! flowers in a. flower-like head Compositse, 69 



Style and stigma entire: flowers irregular. (Seep, 13) IiObeliacesB, 69 



Stamens 4 or 5, distinct, growing at the base of the corolla Campanulacese, 70 



Stamens on the corolla-tube: leaves opposite or whorled. 



Leaves connate: corolla 4-lobed: stiff, prickly herbs Dipsacxui, 69 



Leaves opposite, corolla mostly 5-lobed Caprifoliaceee, 66 



Leaves whorled or sometimes opposite: corolla 4-lobed RuDiaces, 68 



Leaves unequal: prostrate: calyx corolla-like. (See Cal. Flora.) Ahronia. 



Stamens only 3: corolla 5-6-lobed: calyx-lobes minute or none. Herbs. 



Leaves opposite; stamens distinct: erect herbs Valerianacese, 68 



Leaves palmately nerved, alternate; tendril-bearing vines CucurbitacesB, 64 



Stamens apparently 1, really 3 united: flowers monoecious Cucurbitaceae, 64 



B. OVARY SUPERIOR (free from the calyx) or nearly 80. 



1. Flowers reg^xilar or nearly so. 



* Siamena twice as many at the lobes of the coroUa. 



Corolla bell-shaped or inflated-ovoid £ncacecD, 7l 



Corolla deeply 5-S-cleft, the base united with the filaments Styracaceae, 77 



Corolla 5-cleft: pistils or styles 5: fleshy herbs Crassulaceee, 57 



• * Stamens as many as the corolla-lobes. 



a. Style 1, stigma 1: leafless, root-parasite Pholisma, 75 



6. Style 1, stigma 1: leaves entire (hbed in the first and last). 



Leaves mostly radical, renif orm: stamens unequal '. Eomanzoffia, 87 



Leaves all radical; flowers spicate, colorless, scarious Plantaginacese, 109 



corolla reflexed: anthers purple-black Dodecalheon, 76 



Leaves alternate. Spikes coiled: ovary in 4 parts Borraginacea9, 87 



Flowers rotate to funnelform or tubular Solanaceae, 92 



Tall shrub: 3 to 5 calyx-like bracts: flowers yellow. . . .Fremontia, 35 

 Leaves opposite (at least below), entire: juice milky: ovaries 2; stfgmas united. 



Flowers white or pinkish in terminal cymose clusters Apocynacese, 77 



Flowers in umbels: sepals and petals reflexed or rotate Asclepiadaceee, 77 



Leaves opposite, ovate, sessile: flowers rotate, axillary, solitary Anagallis, 77 



Leaves clustered at the top of the stem, bracts below: corolla rotate TrientaSs, 76 



