— 174 — 



(Han ce!), nee non in PhiUppinis et archipelago Ma- 

 layano. 



Zygophyllum Potanini. Perenne glabrum, caulibus dif- 

 fusis dichotomis, foliis petiolatis bijugis foliolis oblique 

 obovatis 2 — 3-nerviis, rhachi alatomarginata ; floribus 

 alaribus geminatis pedicello sub anthesi breviore, po- 

 stea longiore ; calyce colorato petala superante, stami- 

 nibus paulo, stylo elongato magis exsertis, filamenti 

 squamula basi adnata; fructu nutante orbiculato late 

 alato loculicido ; seminibus contiguis imbricatis elevato- 

 papillosis atris. 



Songaria: in montibus Tarbagatai , ad rupes Kon- 

 bucha (Pot an in); Mongolia: declivitate australi jugi 

 Thian-schan (Potanin), inter oppida An-ssi-tscheu 

 et Hami (Piasezki). 



Affine Z. Karelini Fisch, et Mey. {Z. Lehman- 

 niano Bge), Z. pterocarpo Bge et Z. macroptero C. A. 

 Mey. Prius, simillimum, differt radice annua, foliolis 

 1-nerviis, squama filamento fere ex toto adnata, stylo 

 pedicelloque in fructu immutato brevissimis, seminibus 

 albidis; secundum foliolis capsulaque oblongis, tertium 

 capsula basi tantum déhiscente, petalis calyce longio- 

 ribus, caule scabropuberulo aliisque notis. Z. portula- 

 coides Qhd^m.. denique foliis saepe 3-jugis, petalis nul- 

 lis, capsula pentagona nee alata abhorret. 



Palmare v. paulo altius, fragillimum. Foliola plana, 

 10: 5 usque 30: 20 mm. magna. Calyx 7 mm. lutes- 

 cens. Petala spathulata, sepalis duplo saltem angu- 

 stiora, ad medium staminaque aurantiaca. Capsula 

 15 — 18 mm. longa et lata, chartacea. Semina in lo- 



