396 Key to the System of 



1728. Corolla relatively small, bluish. 



Creeping or short-tufty, often conspicuously beset with 

 hairlets ; leaves from cordate- to deltoid- or rhomboid- 

 ovate or the upper more lanceolar, indented, wrinkled 

 above ; racemes axillary, few-flowered ; calyx compara- 

 tively large, four-cleft ; corolla hardly exserted ; fruit 

 compressed against the dissepiment. V. calycina. 



Corolla relatively large, white. 



Chiefly a coast-plant, creeping, dwarf, beset with recurved 

 short hairlets ; leaves firm, almost sessile, somewhat 

 rough, from deltoid- to elliptic-ovate, distantly indented ; 

 racemes corymbous, axillary ; calyx small, four-cleft ; 

 corolla bluish-streaked, partly exserted ; fruit compressed 

 against the dissepiment. V. distans. 



1729. Leaves entire, mostly connate at the base, never 



much elongated. 



Tall, quite glabrous ; leaves firm, greyish -green, from ovate- 

 to lanceolar- deltoid, occasionally disconnected and then 

 clasping, rarely indented, exceptionally ternate-whorled ; 

 flowers in elongated racemes ; calyx four-cleft ; corolla 

 blue, purplish-streaked ; fruit almost oval, compressed 

 parallel to the dissepiment. V. perf oliata. 



Leaves serrulated, sessile, elongated. 



Chiefly riparian, quite tall, often nearly glabrous; leaves 

 from ovate- to narrow -lanceolar, gradually pointed ; 

 flowers in much elongated partly terminal racemes ; 

 stalklets short ; calyx small, four -cleft ; corolla white 

 or blue ; fruit almost oval, compressed parallel to the 

 dissepiment. V. Derwentia. 



BIGNONIACEAE. 

 TBOOttA. 



1730. Calyx relatively small, minutely denticulated. 



Tall-climbing and twining, mostly sylvan ; leaflets generally 

 in three to five pairs, the terminal leaflet solitary, all 

 firm, from ovate- to narrow-lanceolar, often entire, 

 glabrous, shining above, or in desert-plants without 

 lustre, less firm and narrower ; rachis of the leaves 

 dilated ; flowers in axillary panicles, moderately large ; 

 corolla whitish, upwards slightly pink, its tube almost 

 cylindrical, much longer than the lobes, its orifice 

 marked by dark -purplish dots and spots; fruit rather 

 large, almost ellipsoid ; pericarp hard ; seeds of con- 

 spicuous size, flat. T. Australis, 



