Mr. J. Miers on several genera hitherto placed in Solanaccse. 165 



Duhoisia, 



Anthocercis, 

 Anthotroche. 



Tribe 3. Duhoisiea. Corolla with a tube either elon- 

 gated and ventricose above, or short and rotate, 

 with a 5-lobed border, the lobes being diversely 

 volutive in aestivation : 5 equal stamens or 4 di- 

 dynamous with the rudiment of a fifth ; anthers 

 rounded, cordate, always extrorse, either 2- 

 celled, with the cells confluent at the apex, or 

 unilocular v/ith a hippocrepiform line of de- 

 hiscence, and gaping transversely as in Verhas- 

 cum : ovarium 2-locular, with numerous ovules 

 affixed to thickened placentae adnate to the dis- 

 sepiment : fruit either baccate or capsular, 2- 

 valved, with septicidal dehiscence : terete em- 

 bryo in albumen, slightly curved. 



Tribe 4. Schizanthece. Corolla deeply cleft into seve- 

 ral irregular divisions, with a somewhat reci- 

 procative aestivation : stamens 5, of which 3 are 

 sterile ; style erect, with a small fistulose stigma, v^ o i • fi 

 slightly swollen below, its contracted entire mar- f 

 gin filled with a globose viscous gland : capsule I 

 2 -celled, 4-valved, seeds with a terete hemicy- ! 

 clically arcuate embryo. J 



Tribe 5. SalpiglossidecB. Corolla more or less ven-' 

 tricose above, sometimes contracted in the 

 mouth, the border being divided into 5 nearly 

 equal regular segments, one of them always 

 somewhat larger and more erect, their aestiva- 

 tion being reciprocative (seep. 172): stamens 4, 

 didynamous, sometimes with the rudiment of a 

 fifth ; anthers 2-lobed, lobes divaricate at base, 

 connected at apex by intervening filament, one 

 of the lobes being sometimes reduced to a small 

 lateral dehiscent gland : style winged at its apex 

 or expanded into a remarkable tongue-shaped 

 process, which is stigmatose at its emargina- 

 ture: fruit capsular, 2-locular, 2-valved: embryo 

 slightly curved, much more so in Salpiglossis . 



Tribe 6. Petuniece. Corolla with an elongated tube, 

 sometimes hypocrateriform, seldom with the ru- 

 diment of a palate, the border being divided 

 into 5 nearly equal, rounded and emarginated 

 lobes, their aestivation in Petunia being replica- 

 tive (see p. 173), in Nieremhergia, replicative 

 at the base of the lobes, with a perfectly quin- 

 cuncial imbrication at their summits : stamens 5, 

 one of which is shorter, 2 longest ; anthers 2- 

 lobed, divaricate at base, without connective : 

 stigma expanded into a remarkably tongue- 

 shaped form, emarginate at its apex, in Nierem 

 bergia embracing the anthers : capsule and seed 

 as in Salpiglossidece. 



Salpiglossis, 

 Pteroglossis, 

 yLeptoglossis, 

 Browallia. 



Petunia, 

 Nieremhergia . 



I 



'J 



