— 215 
marginalae, pedicello brevissimo adhaerentes, demum sepalis simillimae sed paulo 
majores magisque concavae et insertione dignoscendae, 1!/2—123"" longae. — Pe- 
dicelli eximie abbreviati. — Calyx incompletus, 2—3 sepalus; sepala duo supe- 
riori-lateralia (superum cum petalis alternans deest), tertium deficit v. bracteae op- 
positum est. — Petala duo, alba, longe persistentia, saepe plus minusve alte inter 
mn 
se connala, axin racemi speclantia subovalo-oblonga, exappendiculata, 11," longa, 
omnino hyalina. — Stamina tria; filamenta breviter monadelpha, lineari-subulata, 
glabra, longe persistentia, petalis parum breviora; antherae minutae utrinque emar- 
ginatae, laeves. Grana pollinis pro proportione majuseula, 1/;"" longa, cire. 212-plo 
longiora quam lata, caeterum ut in Reseda lutea. — Ovarium sessile, depresso- 
globosum, 4-cuspidatum, longitrorsum 4-sulcatum, ei Holopetali simile. — Ovula 
in quavis placenta cire. S biserialia. — Capsula depresso-globosa, 2°" longa, levis, 
caeterum ut in genere Holopetalo. — Semina levissima, nitida, in ordine minutissima, 
exacle {2° longa, in quaque capsula circa 16; radicula hilo valde approximata ; 
Embryo omnino Resedae. 
Habitat in deserto Cahirae et Alexandriae (Del. |. ce. et specim. in hb. DC.! 
Coquebert, et Galopin [flores 3-sepali] in hb. DC.! G. Ehrenberg in hb. Reg. Be- 
rol.! Kralik in hb. Boiss.!); in Arabia petraea (Schimper pl. exs. Un. it. N. 241 
[R. Schimperi Pres. 1. c.] in hb. DC.! et Boiss.!); in Persia australi ad fontes ca- 
lidas prope Dalechi (Kotschy pl. exs. N. 119 in hb. DC.) 
aa, abortiva. 
Reseda dipetala Spreng. Syst. Il, p. 463 (fide specim. Spreng. in hb. DC.!); Wat- 
pers Repert Il, p. 751 (ob petala inaequaliter laciniata), non Ait. 
R. capensis Wild. herb. fol. 922$ (!) non Burm. 
Resedella dipetala Webb. et Bertholl. Phyt. Canar. II, p. 107. 
Oligomeris dipetala Turez. in Bull. Soc. imp. Mosc. 1854 p. 330 ? 
Annua, pusilla, $—12" longa (1!/2-pedalis, Dietr.) rami subfiliformes, diametro 
vix 1°” aequantes, parce ramosi, acute sulcato-angulosi, glaberrimi; folia anguste 
linearia, subfiliformia, cire. 1°” longa, (sparsa Webb. 1. c.); flores subpolygami, se- 
pala duo, capsulae pro parte abortivae paulo quam in &. minores. 
Vidi tantum specimina culta (in hb. DC.! Boiss.! et hb. Reg. Berol.!) 
8. Webbiana. 
Reseda tridens Vis. Decad. pl. aegypt. p. 6 (1830); Pres. Repert. bot. p. 53; Dietr. 
Syn. II, p. 29; Waÿ. Repert. I, p. 753. 
