104 CRUCIFERE. — MATTHIOLA. 



nutis, tomentellis, eglandulosis vel sparse gïanduliferis ; styli appendicibus 

 variabilibus in cornu brève vel subulato-elongatum païens vel subreflexum 

 rarius sursum arcuatum productis. ®. Mart.-Jun. 



In terra mobili et aggeribus areneemobilis, in glareosis, alluviis et alveis,in re- 

 gione Saharensi et margine contiguo Planitierum excelsaram. — Plan. A 1 : Aïn- 

 el-Ibel (Reb.). - O 2 : Ras-el-Ma (Flah.); Géryville!, Chott El-Gharbil , Aïn-Sefis- 

 sifal. — Sah. G 5 : Col de S/a, Saada, Tinedla, Megarin, Temacin, El-Hadjira; 

 Guemarï; Bir Guettaria, Beresof, etc. - A 2 : Oued Settafa (Vilm.); Ouargla (Reb.). 

 — TUN. Hammamet!, El-Djem! (Miss. t883), inter El-Djem et Sfax (Doûm.), 

 Sfax (Esp., Doûm.), insuîis Kerkenna (Esp.); inter Guettara-ben-Amara et Garel- 

 Djab-Allah ad austro-occidentem Ne/ta (Daveyr.), Oued Gilma (J. Reb.), Gabes 

 (Kral., Wira, Lx miss. 188&), insula Djerba (Kral.), Sidi-Salem-bou-Grara , 

 Dj. Matmata (Lx miss. 1 884). — MAR. Chtouka, El-Ksima, Dar-Ould-Delimi , 

 Oued Debeny, Assaka, Oudjan, Tazeroualt, Tifermit , Akka, etc. (Mard.). 



In regno Tripolitano, Marmarica, /Egypto; in Oriente ab Asia minore, Syria et 

 Gaucaso ad Arabiam et Persiam australern. 



Obs. M. oœyceras prœserlim differt a M. tristi radiée anima et sœpe a specimi- 

 nibus bujns speciei primo anno florentibus segre distinguitur. 



Var. jS. basiceras Coss. et Kral. in Bull. Soc. bol. IV, 56. — M. Kralikii Pomel Nouv. 

 mat. S^k. — Exs. Kral. Tun. i5g. 



Siliquae val vis basi gibbis vel gibbo-cornutis. 



Passim sœpius cum planta typica. — TUN. Sfax (Esp., Kral.), insulis Ker- 

 kenna (Esp.), ad Ksar-Ouled-Kassin (Doûm. et Bonn. miss. 1 884); Dj. Bou- 

 Hedma, Sidi-Maheddeb (Doûm.), in ditione Béni Aïeïcha (Gran.), Gafsa (Rob.), 

 in valle Oued Leben, Dj. Hatlig , El-Guettar, Houmt-Souk in insula Djerba (Doûm. 

 et Bonn. miss. i884), Gabès (Kral. ^ Lx miss. i884), in ditione Béni Zid, insula 

 Djerba (Kral.), El-Ramma [Gabes), in vallibus Oued Ferd et Oued El-Ftour, Sidi- 

 Salem-bou-Grara , Zarzis, Dj. Tadjera, Bir El-Ahmar, Dj. Cherb (Lx miss. 1 884). 



In Tunetia bucusqoe tantum observa ta. 



Obs. Hase varietas insignis valvis siliquae basi gibbis vel gibbo-cornutis Lon- 

 chophoram refert. Petalis sœpius purpureis et latioribus quam in planta typica valde 

 accedit ad M. humilem DG. (Syst. II, 177; Boiss. Or. I, i54. — M. acaulis DG. 

 Syst. II, 168; Vis. Mg. Enum. 25, t. 3, f. 3.— Cheiranthus villosus Forsk. Mg- 

 Arab. 120. - Cheiranthus tricuspidatus Delile ! Mg. Illuslr. n. 592 non L. — Exs. 

 Lx Mg. 6), in Gyrenaica (Rohlfs) et in iEgypto inferiore (Delile, Auch. 86, Ky 

 [1 855] 39^, Samar. 2993) crescentem. 



5. M. Maroccana Coss. in Bull. Soc. bot. XXVII [18S0J, 68, etlllustr. AU. I, 16, t. 10. 



— M, stenopetala Coss. in herb. olim non Pomel. 



Planta annua, inferne subadpresse tomentosa, superne glabrescens et par- 

 cissime glandulifera; foliis oblongis, sinuatis vel sinuato-pinnatifidis; jlo- 

 ribus brevissime pedicellatis ; petalis auguste oblongo-linearibus , marginibus 

 plus minus undulatis , îividis; siliquis longis, tereli-compressis, vix torulosis, 



