I. thalictroides (L. Sp. 783) radice fibris fasciculatis cons- 

 tanti, collo nudo, caule folioso, foliis biternatis segmentis ovatis lo- 

 batis obtusis, stipulis rotundato-ovatis, sepalis albis ellipticis stamina 

 superantibus, petalis inmndibuliformibus , capsulis 2-3 ovatis in ros- 

 trum obliquum curvatum abeunlibus y . Ic. Jacq. Austr. tab. 105. 

 Rchb. f. 4728. 



Hab. in umbrosis Thracise in Haemo (ex Sibth.). Fl, primo vere. 



Ar. Geogr. Gallia, Helvetia austr., Germania, Polonia, Italia borealis 

 et media, Bosnia (Sendt!), Bulgaria (Clarke), Rossia austro-occiden- 

 talis. 



I. csespitosuhi (Boiss. et Hoh. Diagn. Ser. I. VIII. p. 7) 



glaucescens caespitosum, radice verticali, collo petiolis vetustis dense 

 squamoso , foliis biternatis segmentis orbiculatis lobatis , scapis uni- 

 floris nudis vel bibracteolatis , sepalis lilacinis ovatis , petalis cucul- 

 latis oblongis apice bifidis, stylis circinnato-recurvis ovariisque papil- 

 losis y. 



Hab. in alpinis glacialibus Hasartschal in jugo occidentali montis Elburs 

 Persiae borealis alt. 11000' (Ky. Pers. bor. exs. 501 !). 



Scapi bipollicares folia radicalia superantes, flos tertiH parte minor eo 

 I. grandiflori quod affine differt petalis ovatis fere dimidio brevioribus, 

 stylis rectis glabris. 



GARIDELLA (Tourn. Inst. tab. 430). 



Calyx 5 sepalus deciduus non petaloideus corolla brevior. Petala 5 

 unguiculata ad apicem unguis fovea nectarifera inslructa limbo bila- 

 biato basi papillari labio externo bifido interno brevissimo gibbum 

 nectarifernm ad basin limbi situm claudente. Herbse annuse. Genus a 

 Nigelld cui nimis affine calyce non petaloideo et carpellis brevissime 

 rostratis diversum. 



G. Nigellastrum (L. Sp. 608) pelali stipite calyce limboque 

 breviori, limbo lineari cuneato, seminibus ovatis reticulatim exs- 

 culptis ©. Ic. Gaertn. tab. 148. Bot. Ma^. 1286. 



Hab. in cultis sterilibus Phrygiae ad Oachak (Bal!), Cypri (Ky. exs. 

 631 ! ), Armeniae merid. ad Ardana (Noe ! ), Tauriae et prov. Transcauca- 

 sicarum (Hoh! Szow ! ), Peisia^ bor. (Auch. exs. 4013!). Fl. Jun. 



Ar. Geogr. Hispania. Gallia australis, 



G. unguicularis (Lam. 111. tab. 379. fig. 2) petali stipite ca- 

 lyce limboque 2-3 plo longiori, limbo feniformi undulato, seminibus 

 oblongis reticulato-insculptis prsetereaque profuade sulcis exaratis 0. 



