CENT. iX. 112 
805, M. pe Raf. canescens, fol. ses- 
silib. ovato lanceol. pectinato incisis. spicis obl. 
stam. inclusis, stylis exertis—Carpathian Mts. 
Bohemia &c, sent me as M. sylvestris, but 
unlike, nearer M. crispa, branched, leaves small 
grey, flowers white. 
806, M. gentilis Sm.—Anglia. 
807, M, gracilis Sm.—Europa. 
808, M. viridis L—Europa. 
809, M. rotundifolia £,—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. 
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. ver- 
tic. et term. fasciculis 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. 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. 
819, M. tenuis Mx. O—Am. bor. 
820, M. canadensis L—Canada and Alle- 
ghanies, but less distinguished by short stamens, 
than hairy lanceolate leaves. 
821, M. borealis Mx.—Am. bor. not var. of 
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