GENERA AND SPECIES. 151 
Flowers all axillary. 
Leaves ovate, glabrous; branchlets spinescent ; corolla 
lilac As See e ... Spinosa 
Leaves oblong-linear; branchlets hoary; corolla 
white. Tall Behriana 
Leaves linear-terete, channelled above ; branchlets 
tomentose ee ie Ux vies ey ... Baxteri 
11. Corolla-tube incurved dilated upwards ; upper 
lip concave, longer than the lower. Calyx- 
lips not closed over the fruit. 
Leaves on rather long stalks, orbicular or broadly ovate ringens 
Leaves scarcely stalked, small, margins recurved. 
Corolla red ; flower-stalks long... dott Ltd ... coccinea 
Corolla greenish ; flower-stalks longer than calyx ... chlorantha 
Flower-stalks very short; corolla small, calyx 
large with broad and deep lobes ae ... Calycina 
ORDER LENTIBULARINEAE. 
Segments of calyx two ; aquatic or marsh plants ... Utricularia 
Segments of calyx four in pairs, the inner ones lateral ; 
no capillary ramifications... “Xs ra .. Polypompholyx 
Utricularia. 
Stems floating, branched; submerged leaves divided into 
capillary segments beset with minute bladders; flowers 
yellow, in racemes on axillary stalks in oats ... flexuosa 
Stems branchless ; leaves radical, minute ; capillary ramifi- 
cations very limited, bladders few. Marsh plants. 
Flowers purple, terminal in 1- or few-flowered scapes ... dichotoma 
Flowers purplish, almost sessile, distant along the scapes /ateriflora 
Polypompholyx. 
Flowers small, pink ; leaves radical, elliptical. Dwarf marsh 
plant... Hi te oe eis file bate ... tenella 
ORDER OROBANCHEAE. 
Orobanche. 
Stems simple, robust about 1 foot ; flowers purplish-blue in ; 
racemes ue ai yy Aer eae ie ... Australiana 
