1	"Leaves pinnate; fruit a loculicidal capsule"	Phacelia
1	"Leaves simple; fruit a cluster of mericarps or a drupe with 1 or 2 pyrenes"	2
2	"Corolla zygomorphic"	3
2	"Corolla regular"	4
3	"Stamens included in corolla; corolla with scales in throat; stigma entire"	Anchusa
3	"At least 2 stamens exserted from corolla; corolla without scales in throat; stigma bilobed"	Echium
4	"Anthers exserted, appressed to style"	5
4	"Anthers included or, if exserted, then not appressed to style"	7
5	"Ovary entire; fruit a drupe; scabrous or viscid shrubs from north-western Victoria"	Halgania
5	"Ovary 4-lobed; fruit a schizocarp; hispid herb, garden-escape"	6
6	"Corolla lobes spirally contorted; filaments with a tuft of hairs at base"	Trachystemon
6	"Corolla-lobes patent; filaments glabrous"	"Borago {Borago officinalis}"
7	"Ovary entire (at anthesis, soon dividing into 2 or 4 mericarps); stigma large, more or less conical"	Heliotropium
7	"Ovary 4-lobed; stigma small, capitate or shortly 2-lobed"	8
8	"Mericarps bearing barbed spines"	9
8	"Mericarps smooth, wrinkled, reticulate or rugose"	11
9	"Spines on mericarps 8–10, varying in size, occurring only on margins; annual"	"Omphalolappula {Omphalolappula concava}"
9	"Spines on mericarps numerous, more or less equal in size, occurring on margins and outer face; perennials"	10
10	"Mericarps with spines concentrated into a marginal ring, outer surface of mericarp with a few scattered or discontinuously distributed spines"	"Cynoglossum {Cynoglossum australe}"
10	"Mericarps with numerous spines closely spaced and continuously distributed across outer surface"	Hackelia
11	"Gynobase conical"	12
11	"Gynobase flat or concave"	13
12	"Inflorescences ebracteate; corolla yellow, more than 4 mm long"	Amsinckia
12	"Inflorescence bracteate; corolla white, 2–3 mm long"	Plagiobothrys
13	"Corolla often blue; corolla scales conspicuous in throat"	14
13	"Corolla white or pale yellow; corolla scales absent or much reduced and incon- spicuous in throat"	17
14	"Corolla-tube c. 13 mm long, more or less campanulate, lobes recurved"	Symphytum
14	"Corolla tubular or funnel-shaped, less than 10 mm long, lobes erect or spreading"	15
15	"Floral bracts absent; mericarps smooth and shiny, attached by a small basal areole; corolla scales smooth"	Myosotis
15	"Floral bracts present; mericarps rugose, wrinkled or reticulate, attached by a broad or narrow concave base; corolla scales papillose"	16
16	"Flowers subsessile; mericarps wrinkled, with a swollen ring at base and attached by a broad concave areole"	Anchusa
16	"Flowers on slender pedicels; mericarps reticulate, attached by a small stalk within a saccate areole"	"Pentaglottis {Pentaglottis sempervirens}"
17	"Sepals fused at least to middle; corolla yellow; mericarps hardly beaked"	"Nonea {Nonea lutea}"
17	"Sepals free or fused only at base; corolla yellow or white; mericarps beaked"	18
18	"Mericarps tuberculate all over; corolla with internal longitudinal hairy ridges from throat to just above anthers; flowers white to cream"	"Buglossoides {Buglossoides arvensis}"
18	"Mericarps smooth on outer face; corolla with hair tufts in throat; flowers yellow"	"Neatostema {Neatostema apulum}"