eENT. IX. HZ 



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

 silib. ovato lanceol. pectinate incisis, spicis obi. 

 stam. inclusis, stalls 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. 



811, M. aquatica L.— Europa leaves petiol. 

 ovatoblong, fl. capitate. 



812, M. acutifolia Sm. verticillata Hoffm. — 

 Europa^ 



813, 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 term, fascioulis oppos. pedic. stam. 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, M. 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 round ovate 

 serrate, spikes oblong, stamens inclosed. 



810, M. tenuis Mx. O— Am. bor. 



8*^0, 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 

 6 



