98 S. Kurz — New Burmese Plants. [No. 2, 



Acanthacearum genera in regno Burmanico adhuc observata secundum 

 systema Neesianum paullisper mutatum sic distinquenda : 



Subord. I. TiiuNBEEGiEiE. Calyx ad annulwn dentatum v. nudum re- 

 ductus. Corolla 5-loba, subregularis. Antherse 2-loculares, 

 loculis parallelis. Semina globosa, placentae cupulari insiden- 

 tia. Capsulce rostratce. 



1. Thunhergia, L. F. Genus unicum. Herbae v. frutices scandentes 



raro suberecti. 



Subord. II, AcANTHACEJS. Calyx bene evolutus, 6-partitus -fidus v.- 

 dentatus, regularis v. irregularis. Corolla varia. Antherse 2 

 V. 1-loculares, loculis parallelis, obliquis v. superpositis. Se- 

 mina compressa, raro globosa, retinaculis uncatis v. glanduli- 

 formibus sustenta. Capsulce non rostratce. Herbse v. fructi- 

 ces ssepius erecti, raro scandentes v. prostratse. 



Trib. 1. AcAJSTTHE^. Calyx incequalis. Corolla Jissa in lahellum uni- 

 cum magnum expansa. A^itherce \-loGulares., v. ese paris in- 

 ferioris oblique 2-loculares. Capsulse a basi seminiferse. Se- 

 mina compressa, retinaculis uncatis sustenta. 



* Corolla in labellum magnum expansa, lobis superioribus 



omnino suppressis v. rudimentariis, tubus brevissimus v. 

 nullus. 



2. Acanthus^ L. Spicae oo-florse. Antberse omnes 1-loculares. 



2. Blepharis, Juss. Spicse uniflorse ; flores bracteis pluribus ssepius 

 spinosis sterilibus circumdati. Antherse paris inferioris 2-lo- 

 culares. 



** Corollse tubus longus, limbus 5-lobus usque ad tubum fis- 

 sus. 



4. Crossandra, Salish. Bracteae inermes, in acumen spinosam produc- 



t£e. 

 Trib. 2. Ruellie^. Calyx magis minusve irregularis, scepius hilahia- 

 tus. Corolla infundibuliformis, hypocraterimorpha v. raro rin- 

 gens. Stamina 4 v. 2 ; antherce 2-loculares, loculis parallelis, 

 rarissime obliquis (nee autem superpositis). Capsulae basi 

 sterili attenuatae v. a basi seminiferse. Semina compressa, 

 retinaculis uncatis sustenta. 



* BarleriecB Calyx 3-partitus, sepalis decussatis, 2 exter- 

 • ioribus ssepius majoribus. Capsulae a basi seminiferse. 



5. JBarleria, L. Corolla infundibuliformis. Stamina 4, raro 5, quo- 



rum 2 V. 3 ssepius sterilia et rudimentaria ; antherarum loculi 

 paralleli. 



** NeuracantliecB. Calyx 5-fidus, irregularis, v. bilabiatus, 

 V, segmento superiori tantum maximo. Corolla bilabiata 



