CENT. IX. lie 



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

 silib. ovato lanccol. pectinato incisis, spicis obi. 

 stam. inclusis, stalls exertis Carpathian Mts. 

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

 unlike, nearer M. crispa, branched, leaves small 

 grey, flowers white, 



8w, M. gentilis Sm. Anglia. 



807, JMT, gracilis Sm. Europa. 



808, M. viridis L Europa. 



809, M. rotutidifolia L Sicilia. 



810, M. hirsuta L Anglia, blended with 

 next by Sm. but leaves subsess. ovate cordate, 

 stem retrose hispid, spike oblong. 



811, M. aquatica L. Europa leaves petiol. 

 ovatoblpng, fl. capitate. 



812, M. acutifo**a Sm. verticillata Hoflfm.-- 

 Europa, 



813, M, gratissima W Germ. Helv. 



814, M. crispa L Europa. 



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

 obliquatis glaucis ovatis serratis acutis, fl. ver-' 

 tic. et term, 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. arvensis 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 Hungaria, near 

 M. crispa, but hirsute, leaves sessile round ovate 

 serrate, spikes oblong, stamens inclosed. 



810, M. tennis MX. O Am. bor. 



830, M. canadensis L Canada and Alle- 

 ghanies, but less distinguished by short stamens, 

 than hairy lanceolate leaves. 



821, M. borcalis MX. Am. bor. not var. of 

 



