230 



CRYPTOGAMIA MARSILEACEiE. 



ORDER IV. 



MARSILEACEiE. Fructif. radical, sphcerical, coriaceous, 1 or many- 



celled. 



Form of 



Leaves, &c. 



Col.of Month Native Yr.of 

 Flow, of Fl. Country. Introd. 



Soil and 

 Propagation. 



[coated, roundish, oblong. 

 PIL ULA'RIA , PILL- WORT. Common receptacle of A cells, concealing the barren fy fertile florets. Seeds 



globulffera. B.F1. creeping. 



erect, awl-sh. smth. br. 6. 9. Britain. 



.H.w.ty. 



ISOE'TES, Q UILL- WORT. Com. recep. of I cell at the base of the frond. Seeds angu. combin.Z together. 



lacustris. B.F1. marsh. awl-sh. 4-angnI. br. H.uv$|. 



MARSVLEA, MA RSI'LEA. Invol. sub-ov. clausum, many-celled, cells in 2 rows, androginous. 

 quadrifolia. l. four-leaved. obov. cun. ent. smth. S.Europ.l820.H.u\$. 



