Victorian Plants. 385 



Flowers stalked 1686 



1686. Beset with somewhat scattered short hairlets. 



Perennial, usually rather tall ; leaves from nearly ovate to 

 broad-lanceolar, indented or somewhat lobed, wrinkled, 

 the floral leaves gradually diminished in size ; flowers in 

 stalked opposite cymes, thence arranged in leafy panicles ; 

 corolla white ; fruitlets invested with minute hairlets. 



T. corymbosum. 



Beset with whitish closely approximated minute 

 hairlets. 



Principally a desert-plant, perennial, usually rather dwarf ; 

 leaves mostly small, from elliptic- to linear-lanceolar, 

 entire or slightly denticulated or exceptionally three- 

 lobed, occasionally crisped ; flowers often solitary in the 

 axils, on rather elongated stalks, forming generally a 

 simple partly leafless raceme ; stalklets elongated ; corolla 

 white ; fruitlets thinly invested with hairlets. 



T. racemosum. 



SCUTEXiXiARXA. 



1687. Rather tall, often beset with soft hairlets. 



Perennial ; leaves comparatively long, mostly from ovate- to 

 lanceolar-elliptical ; flowers axillary, solitary, all turned 

 to one side, their supporting leaves gradually smaller ; 

 upper lobe of the calyx deciduous ; corolla relatively 

 large, upwards blue, its lower lobes conspicuously longer 

 than the upper, its tube rather short ; fruitlets enclosed. 



S. niollis. 



Rather dwarf, often almost glabrous. 



Perennial ; leaves comparatively short, mostly from cordate, 

 to orbicular-ovate ; flowers axillary, solitary, all turned 

 to one side ; upper lobe of the calyx deciduous ; corolla 

 relatively small, upwards blue, its lower lobes slightly 

 longer than the upper, its tube quite short ; fruitlets 

 enclosed. S. htiniilis. 



FROSTANTHERA. 



1688. Corolla bright-red. 



Desert-plant, never tall, beset with very short but rigid 

 hairlets ; leaves very small, from oval- to linear-elliptical, 

 slightly recurved towards the apex, often somewhat 

 crowded into axillary fascicles ; flowers axillary, on con- 

 spicuous stalklets; calyx rather elongated; upper division 

 of the corolla longer than the lower, its orifice spotted 

 with blackish dots; anther-appendages hardly longer 

 than the cells. P. coccinea. 



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