80 



Anton K. Schindler. — Halorrhagaceae. 



integerrima ; bracteolae ex orbiculari acumi- 

 natae. 



f Folia floralia omnia integerrima rhombico- 

 obovata vel cochleiformi-oblonga, ad 1 8 mm 

 longa, bracteolae ex orbiculari acuminatae, 

 fructus globosus profunde 4-flssus . . . \ i. M. spicatum. 

 ff Folia floralia inferiora certe pinnatifida. 

 (3 Folia floralia superiora certe manifeste 

 sessilia non petiolata, bracteolae tri- 

 anguläres. 



A Folia floralia omnia pectinata vel 

 summa integerrima ovata vel ovato- 

 lanceolata, merocarpia dorso obtuse 

 angulata tuberculato-rugulosa . . 15. M. verrucosum. 

 AA Folia emersa oblonga usque ad 

 orbicularia serratä vel integerrima, 

 merocarpia dorso rotundata non 



tuberculata 16. M. elatinoides. 



OO Folia floralia adulta certe manifeste 

 petiolata. 

 A Bracteolae palmiscissae, folia raro 



4 na , saepissime 5 na 17. M. indioum. 



AA Bracteolae ovato-lanceolatae , folia 



3 — 4 na -1 8. Jf. latifolium. 



II. Folia submersa verticillata, emergentia fertilia ple- 

 rumque alterna, floribus inferioribus subverticillatis 

 manifeste foemineis paucis, summis rarissime verti- 

 cillatis masculis; merocarpia mox secedentia cylin- 

 dracea laevia Subsect. ö. Leiocarpium Schindler 



1 . Flores masculi plures bractea lanceolata vel ovata 

 vel obovata praediti, bracteolae ex orbiculari 



brevissime acutiusculae 1 9. M. alter niflor um. 



2. Flores masculi plerumque 2, juniores in bracteis 

 sacciformibus omnino inclusi, florum foemineo- 

 rum bracteolae obverse trianguläres subulato- 



tridentatae 20. M. Muelleri. 



b. Stamina 4 Sect. b. Tessaronia Schindler 



a. Folia submersa certe verticillata vel alterna sed tunc 



merocarpia dorso acute 2-lineato-angulata. 



I. Folia submersa certe verticillata, merocarpia dorso 



rotundata vel lentiformi-compressa et acuta 1 -line- 



ato-angulata rugulosa vel tuberculata, nunquam 2- 



lineato -angulata. Indien und Madagascar 



Subsect. a. Trachycarpaeum Schindler 



1 . Flores in bractearum axillis singuli. 



* Folia omnia verticillata, bracteolae palmiscis- 

 sae, 0,4 mm longae, merocarpia dorso late 

 rotundata et rugulosa vel acute granulata. 



Indien 2 1 . M . tetrandrum. 



** Folia summa saepius alterna, bracteolae ovatae 

 minute serratae acutae 0,8 mm longae, mero- 

 carpia valde lentiformi-compressa acutangula 

 dorso tuberculata. Indien. . . ... 22. M. tuberculatum. 



2. Flores in bractearum axillis fasciculati. 



