(4) F. N. WILLIAMS. REVISION Ol' TIIK GENUS liEHNlAHIA. 559 



SußSECT. 2. — FLORES TETRAMERI, POLYGAMI 

 H. polygama. 



Sectio I. EU-HERNIARIA 



SuBSECT. I. — FLORES PENTAMERI 



a. Folia inferiora opposita, superiora alterna. Flores pedicellali, in 

 glomerulos 3-6-floros paiilliim laxe disposili. Stigmata subsessilia, aut 

 in stylis 2 liberis nunc divergentibus nunc subrectis suffulta. Species 

 annuaî vel perennes. 



1. H. incana Lam. EirnjcL bot., III, p. 124 (1789); Boiss. Fl. Orient., 

 I, p. 741; Willk. et Lge., Prodr., III, p. 153. — Perennis basi lignosa, 

 cinereo-viridis, velutino-canescens. Folia ovata vel oblongo-lanceoiata, 

 basi longe attenuata, ulrinque strigoso-puberula ; slipulce late ovatae 

 cilialcC. Flores in glomerulos 3-6-floros dispositi, et in dichotomiis soli- 

 darii; glomeruli folio opposito breviores. Calyx dum clausus ovatus, dense 

 patuleque hispido-pubescens, segmenta autem elliptica apice margini- 

 busque glabrescentia. Stigmata subsessilia divaricata. 



Syn. H. MiUerjrana Bess. ex Link, Enum. hört. Berolin., I, p. 247; 

 H. Besseri Fisch, ex Hornem., Hort. Hafn. Suppl., p. 127; H. alpina 

 (non Yill.) Loisel. ex DC, Prodr., III. p. 368; H. fruticosa (non Linn.) 

 Host, FL Austr., I, p. 318; H. lentimlata Falk, Beitr., IL p. 139 (1786). 



ß, macrocarpa Sibth. et Sm. (sp.) Fl. Grœcœ Prodr., I, p. 167 et 

 Fl. Gi'deca, i. 252. — Magis canescens. Folia inferiora distinctius sub- 

 petiolata. 



Syn. H. hirsuta (non Linn.) Bieb., Fl. Taur. Cauc, I, p. 179 ; Urv. in 

 Mein. Soc. Linn. Paris, I (1822), p. 284; H. incana var. angustifolia 

 Fenzl, herb. 



Fenzrs varietal name is inappropriate, as the leaves are often broader 

 than in the type, e. g. Kotschy's PI. Syr. bor., no 67 (1862). Pichler's 

 Turkish spécimens (PI. exs. Rumel. et Bithyn.) and Adamovic's Serbian 

 spécimens (1895) should perhaps be referred to this variety. 



Geogr. area. S. Spain to S. Russia ; Anatolia and Syria lo N. W. India. 



2. H. Baetica Boiss. et Reut, in Boiss., Diagn. PL or. nov. ser. II, i, 

 p. 95 (1854); Willk. et Lge., Prodr. fl. Hisp., III, p. 153. — Perennis, suf- 

 frutescens, velutino-canescens, Gaules 14-18 cm. Folia ovato-oblonga vel 

 ovata acutiuscula breviter attenuala cinerascenti-velutina ; stipulas trian- 



