42 PENTANDRIA DIGYNIA. [CI. 5. 



slightly heart-shaped, nearly equal. Styles scarcely tumid at 

 the base. Fl. recept. depressed, withering. Fl. uniform, nearly 

 regular, united. 

 151. CONlUM. Fr. ovate, with 10 acute ribs, wavy in an unripe 

 state. Cal. obsolete. Pet. inversely heart-shaped, slightly 

 uneq. Styles a little tumid at the base. Fl. recept. dilated, 

 depressed, wavy, permanent. Fl. slightly irreg. united. 



155. SMfRNIUM. Fr. broader than long, concave at each side, 



with 6 acute dorsal ribs; interstices convex. Cal. very small, 

 acute. Pet. equal, lanceol. incurved, or inversely heart-shaped. 

 Styles depressed and tumid at the base. Fl. recept. 0. Fl. 

 nearly reg., partly barren. 



156. APIUM. Fr. roundish-ovate, with 6 acute dorsal ribs ; in- 



terstices flat. Cal. obsol. Pet. roundish, with an inflexed 

 point, very nearly equal. Styles greatly swelled at the base. 

 Fl. recept. thin, orbicular, wavy. Fr. nearly reg., united. 



157. iEGOPoDIUM. Fr. elliptic-oblong, with equidistant Wfo ; 



interstices flattish. Cal. 0. Pet. inversely heart-shaped, 

 broad, a little uneq. Styles ovate at the base. Fl. recept. 0. 

 Fl. united, all perfect, slightly radiant. 



161. MeUM. Fr. ellipt.-obl. with equidistant ribs ; interstices 



flattish. Cal. 0. Pet. obovate, equal, with an inflexed point. 

 Styles short, recurved, tumid at the base. Fl. recept. 0. FL 

 united, all perfect, reg. 



162. CaRUM. Fr. ellipt.-obl. with equidist. ribs ; interst, convex. 



Cal. acute, small, or obsol. Pet. inversely heart-shaped, 

 uneq. Styles tumid at the base ; subsequently elongated, 

 widely spreading. Fl. recept. annular, thin, wavy, permanent. 

 Fl. separated, irreg. 



165. CNlDIUM. Fr. ovate, acute, with equidist. very sharp ribs ; 



interst. deep, concave ; juncture contracted. Cal. 0. Pet. 

 equal, obov. or inversely heart-shaped. Styles hemispherical 

 at the base ; subsequently elon., cylindr., spreading. Fl. 

 recept. annular, thin, undulated, erect ; afterwards depressed. 

 Fl. imperfectly separ. nearly reg. 



166. BUPLEuRUM. Fr. ovate-obl. obtuse, with acute, prominent, 



abrupt ribs ; interst. flat ; juncture contracted. Cal. 0. Pet. 

 equal, involute, very short, broadly wedge-sh. Styles short, 

 not extending beyond the edge of their broad, tumid bases. 

 Fl. recept. 0. Fl. all perfect and reg. 



167. HYDROC6TYLE. Fr. nearly orbic. rather broader than long, 



angular, much compressed ; juncture very narrow. Cal. 0. 

 Pet. equal, ovate, undivided, spreading. Styles cylindr. shorter 

 than the stamens ; tumid at the base. Fl. recept 0. Fl. all 

 perfect, reg. 



F. Fruit solid, unarmed, compressed transversely ; the juncture 

 being broader than the transverse diameter. 



150. iETHuSA. Seeds ovate, convex, with 5 tumid, rounded, acutely 



