GENT. IX. IIZ 



805, M. pectinata Raf. canescens, fol. ses- 

 sllib. ovato lanceol. pectinato incisis« spicis obl. 

 stam. inclusis, stylis exertis — Carpathian Mts. 

 Bohemia &c, sent me as M. sylvestris, but 

 unlike, nearer M. crispa, l)ranched, leaves small 

 grey, flowers white, 



806, M. gentilis Sm. — Anglia. 



807, M, gracilis Sm. — Europa. 



808, M. viridis L — Europa. 



809, M. rotundifolia L — Sicilia. 



810, M. hirsuta L— Anglia, blended witb 

 next by Sm. but leaves subsess. ovaie cordate, 

 stem retrose hispid, spike oblong. 



81 1, M. aquatica L. — -Europa lcaves petiol. 

 ovatoblong, fl. capitate. 



812, M. acutifolia Sm. verticillata Hoffm.-- 

 Kuropa^ 



81tf, M. gratissima W — Germ. Helv. 



814, M. crispa L — Europa. 



815, M. obliqua Raf. glabra, fol. subsess. 

 obliquatis glaucis ovatis serratis acutis, fl. xer-' 

 tic. et tcrm. fascioulis oppos. pedic. slam. inclu- 

 sis — Sibiria, sent me as M. hirsuta altho' to- 

 taly smooth, stem branched, leaves thin,flowers 

 incarnate in small opposite umbels pedicellate. 



816, M. artensis L. vel ciliata — Europa. 



817, JVi. agrestis Raf. — Europa, deemed a 

 var. of last by some, but stem erect retuse pi- 

 lose, leaves larger broadly ovate. 



818, M. alopecuroides Sole — Hangaria, near 

 M. crispa^ but hirsute, leaves sessile roiind ovate 

 serrate, spikes oblong, stamens inclosed. 



810, M. tenuis Mx. O — Am. bor. 



8*iJ0, M. canadensis L — Canada and Alle- 

 ghanies, but less distinguished by short stamens, 

 than hairy lanceolate leaves. 



821, M. horealis Mx. — Am. bor. not var. of 



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