800 GOMPOstT^. Lactuca. 



2. L. tuberosa (L. fil. Siippl. p. 846 sub Soncho) glabemma 

 glaucescens. radice tuberosa spepe lobato-fasciculata . caule crasso 

 simplici sulcato-striato folioso in paniculani breviter racemosam 

 abeunti. foliis oblongis vel oblongo-ianceolatis infimis petiolatis cito 

 emarcidis cseteris a basi sessili plus niinus sagittato-amplexicauli 

 runcinato-pinnatifidis partitisve laciniis spinuloso-denticulatis, foliis 

 floralibus lanceolato-Iinearibus. pedunculis crassis erecto-patulis 1-2- 

 cephalis squaniulosis, capitulis magnis ovato-cylindricis, involucri 

 phyllis adpressis imbricatis obtusiusculis ab infiniis triangularibus 

 ad inlima oblongo-linearia sensim auctis, flosculis caeruleo-purpuras- 

 centibus, acheniis nigrisconipressissimis oblongis acutis subuninerviis 

 rostro tenuissimo albo cis 3-4-plo longiore superatis ©. L. inberosa 

 Jacq. in Murr. Syst. 713. — Hort. Vind. tab. 47. — L. sonchifo/ia 

 Willd. Sp. III, p. 1530 excl syn. Tourn. — L. petnm F. et M. in 

 D.c. Prodr. Vfl, p. 134! 



Hab. in Tauriii (Willd , Stev.]. Georgia Caucasica (Hoh!), Armenia ptope 

 Van (Noe!). Persia boreali in jugo Elbrus prope Passgala (Ivy. y06!j et ad 

 Schahrud (Bge!j. Persia australi (Ky!), Kurdistania Persica et iiionte Sindjar 

 Mesopotamia; (Haussk!). deserto Svriaco ^d Pahiiyram et Svria littorali prope 

 TripoJi (Bl!). 



Summopere aflinis L. Cretic(f et florum colore ab ea praesertim distincta, 

 achouia tamensublongioraet acutiora videntur; ulterius observandum an illre 

 nota? sat constantes sunt. 



3. L. Persica (Boiss. Diagu. Ser. I, 7. p. 9 ) viridis, caule crasso 

 sulcato-striato simplici inferne folioso superne racemoso-paniculato, 

 foliis amplis elongato-oblfnigis glnbris basi in petiolum brevem pla- 

 num semiain])lexicaulem altenuatis Indivisis dentatis vel parte infe- 

 riori gros.se i-uncinatopiniiatilobatis.floralibusvaldediminulisoblongo- 

 lanceolatis. par.iculie ramis brevibus crassis 1-o-cephalis glandulosis 

 vel glabrescentibus. capitulis majusculis ovato-cylindricis, involucri 

 glabri vcl basi parce glandulosi livescentis pliyllis subsquarroso- 

 patentibus ab intlmis acutis triangularibus ad interna sensim auctis, 

 flosculis flavis. acheniis compressissiinis elliptico-ovatis subuninerviis 

 acutis rosfro fenuissimo eis 2-3-plo longiore superatis, pappo albo 

 basi extiis sefulis flavidis brcvissimis obsito (T). 



Hab. iu Persia australi in rupestribus montis Kuh Ajub prope Persepolin 

 (Ky- io:»!). prope Ispahau (Bge!), Ijorealis prope Schahrud (Bgel), Belutschia 

 ad Doulnuid (Stocks!j. 



Pedalis vel bipedalis, al) affniibus L. tuberosd et Crcticd distincta caule 

 inferne confertim folioso superne subnudo, foliis multo amplioribus minus 

 divisis intimis cum petiolo ferepedalibus 2-2 '/ipoll.Iatis: capitulasubbreviora 

 siint phyllis sujjpatulis nec adpressis externis acutis. Setulse breves citrinai ad 

 basin e.Kternam setaruni pappi characterem pnebent notabilem specificum ex 

 ({uo cl. Dge novum genus Stei^torhatnphfm meo sensu non sat confirmatum 

 condidit 



4. L. crambifolia (Bge Pi. Lehm. p. 381 sub Steptorhampho) 

 glaberrima glauca,caule erasso elalo folioso superne composile corym- 



