286 CRUCIFERE. — BISGUTELLA. 



Obs. In B. cichoriifolia Lois., B. auricu/atœ affini, glandulae val varia* solitariae 

 clavato-incrassatœ. 



SuBGEN. IL ThLASPIDIVM. 



Thlaspidium Medic. in Usteri Ann. fasc. vin, 38. — Biscutellœ genuinœ DC. Mon. Bise, 

 1. c. 297. — Biscutella sect. Thlaspidium DC. Syst. II, ^109, et Prodr. I, 181. — 

 B. subgen. Thlaspidium Goss. in Bull. Soc. bot. XIX, 222. 



Sepala basi haud calcarata. Petala in unguem atleimata vel contracta, 

 erectiuscula. Glandulœ hypogynœ valvariœ brèves vel elongatae, haud dejlexœ. 



Sect. 1. — Petala in unguem angustum vei latum attenuata vel supra 

 basim latere utroque alterove oblique truncala sed exauriculata. — 

 Plantae annuae, vel perennes caudice uni- vel bicipite. 



S Plantae annuae. 



2. B. didyma L. Sp. 91 1 ; Coss. in Bull. Soc. bol. XIX, 222. 



Ar. ji*AL?° Moujlich (Aschers. in Rohlfs). - Kab. OAXftJ' Tifelleft (Lecl.). 



Planta annua, superne vel etiam a basi raniosa ; caulibus solitariis vel 

 pluribus, erectis, ascendentibus vel diffusis, folia longe vel vix exceden- 

 tibus, saepius saltem inferne plus minus hirtis, paucifoliis, interdum fere 

 nudis, rarius plurifoliis; foliis plus minus hirtis: radicalibus inferiori- 

 busque in petiolum attenualis obovatis oblongisve grosse dentatis aut 

 pinnatifidis, vel petiolatis lyrato-pinnatipartitis pinnatifidisve lobis den- 

 tatis integrisve lobo terminali amplo oblongo ovato vel siiborbiculato, 

 caulinis sessilibus basi semiamplexicaulibus saepius oblongis lanceolatisve 

 nonnunquam deficientibus, superioribus linearibus integris ; racemis pluri- 

 multifloris densiusculis laxiusculis laxisve in corymbum generalem laxum 

 dispositis, pedicellis subcapillaribus saepe siliculis longioribus; floribus 

 parvis parvulisve; sepalis basi aequalibus; petalis luteis vel pallide luteis, 

 exauriculatis; staminum iongiorum filamentis filiformibus, vel inferne 

 anguste complanato-submembranaceis sed exappendiculatis; siliculis mi- 

 nutis, parvulis majusculisve, glabris, scabris, ciliatis, vel undique hirtis 

 apice basique profonde emarginalis, valvis ad marginem plus minus 

 tumidis margine angusto membranaceo cinctis vel saepius destitutis. ®. 

 Febr.-Jun. 



In herbidis, in pascuis et campestribus, in dumetosis et sylvaticis, in vervactis 

 et ruder a lis, interdum inter segetes, prœsertim in regione Mediterranea et Montana 

 inferiore,in Planitiebus excelsis et regione Saharen si infrequ entier, rrlnagris cultis» 

 (Desf. AtL). rPrope La Calie» (Desf.i?/.).— Med. G 7 .-A 7 .- 0°.— Mont. C'\-A 2 : 

 J)j. Beni-Salah! (H. Duh.), in faucibus Chiffa! ; Teniet-el-Haad ! , Dj. Ouaransenis ! '. 

 — Plan. G 2 : in colle Aïn-el-Hadj-Baba!, Aïn-el-Bey ! ', Oum-el-Asnam! ; Khen- 

 cheh (Reb.). - O s ; Tiaret (Del., Kréro.); Tafraoua (War.); Afir (Lx), Aïn-Gho- 



