142 FLORA OF SOUTH AUSTRALIA. 
ORDER APOCYNEAE. 
Carpels united; ovary 2-celled with axillary placentas; 
fruit a drupe. Erect shrub, more or less thorny ... Carissa 
Carpels 2, distinct, ovules few in each; fruitlets drupace- 
ous. Shrub ne es Ge bis =! .. Alyxia 
Carpels 4 or 2-bipartite, l-ovulate ... se dae .. Notonerium 
Carissa. 
Leaves from orbicular to lanceolate, glabrous or young 
leaves pubescent; flowers in sessile or shortly stalked 
axillary cymes... Ane Bes ae yas ... Brownii 
Alyxia. 
Bushy shrub, glabrous; leaves orbicular-to elliptic-ovate ; 
flowers in terminal sessile heads or clusters; fruitlets 
orange ... eri 4f Bi = ae ... buxifolia 
Notonerium. 
Subshrubby; leaves alternate linear; flowers small in 
terminal cymes ... is di “#8 1% ... Gossei 
ORDER GENTIANEAE. 
Leaves opposite ; corolla-lobes without any expanding 
membranes. Terrestrial herbs, rather small, 
erect, glabrous. 
Corolla-tube cylindrical ; style deciduous. 
Calyx divided nearly to the base; anthers at 
length straight; fruit 2-celled; flowers 
yellow, in cymes ; leaves sessile... .. Sebaea 
Calyx shortly lobed; anthers at length 
twisted ; fruit 1-celled ; corolla red .. Epythraea 
Corolla-tube campanulate ; style persistent; fruit 
l-celled. Corolla bluish or white ae .. Gentiana 
Leaves radical or scattered ; corolla-lobes with expand- 
ing membranes. Floating or semiaquatic; corolla 
yellow ... Limnanthemum 
Sebaea. 
Corolla bright-yellow, 5-lobed ; calyx-segments acute ... ovata 
Corolla yellowish-white, 4-lobed ; calyx-segments obtuse ... albidiflora 
Erythraea. 
Flowers nearly sessile, often forming somewhat one-sided and 
cymous spikes ; leaves from oval- to narrow-elliptical ... spicata 
