8 FLORA OF SOUTH AUSTRALIA. 
Sub-Class IJI.—Synpetaleae Perigynae. 
(Also Primulaceae partly). 
Fruit fleshy with 3 parietal placentas; flowers uni- 
sexual, males usually clustered or racemose, 
female solitary; corolla-base confluent with the 
calyx; stamens 5 in 3 parcels; anthers large on 
short filaments twisted or straight; climbing or 
trailing herbs by the aid of lateral unbranched 
tendrils te! eee neti st, CRC DIvaceae 
Parasitic shrubs; ovary 1-celled, l-ovulate; fruit a 
drupe; petals 5 or 6, free or partially united; 
stamens 5 or 6, adnate and opposite to the corolla- 
lobes; calyx without lobes ... ae Ee ... Loranthaceae 
Leaves opposite or whorled, simple; stamens 4 or 5 
alternate; fruit 2-celled; stipules present ... Rubiaceae 
Leaves opposite, pinnate; stamens 3 to 10, alternate; 
ovary 3- to 5-celled with one pendulous ovule in 
each; fruit a berry ... ae ae Ee a 
Stamens 5 united by their anthers; stigma bifid; 
flowers in heads with an involucre of bracts (termed 
phyllaries) ; fruit 1-celled, 1-seeded; calyx-limb 
reduced to hairs or scales (termed pappus), or 
wanting ~ o sey sii eg ae 
Stamens 2, connate with the style into a ‘‘column;” 
corolla 5-lobed, the 5th lobe usually very small; 
fruit 2-celled ... me ... Candolleaceae 
Stamens 5, free or synantherous, calyx-lobed. 
Stigma lobed, fruit 2- or more-celled _... ... Campanulaceae 
Stigma concave with a more or less cup-shaped 
ciliate membrane (indusium); fruit 1- or 2-celled Goodeniaceae 
Caprifoliaceae 
Compositae 
Sub-Class 1V.—Synpetaleae Hypogynae. 
1. Corolla regular, stamens equal in number with the petals 
(except Jasminum and Solanaceae partly). 
a. Anthers 2-celled. 
Stamens opposite to the corolla-lobes (also Plumbag- 
ineae). 
Fruit capsular, many seeded, placenta free ... Primulaceae 
Stamens alternate with the corolla-lobes. 
Fruit lobed or separating into distinct fruitlets. 
Fruit 2- or rarely 1-celled ; seeds few, erect ; 
placentas basilary ; embryo twisted or 
folded ... i ats om i ... Convolvulaceae 
