CLASS V. ORDER. H. 349 



ing : capsule 2-celled, dividing transversely at the base ; seeds binate. 29. 43 

 (dodder). 



B. Corolla 5-petalled. 



PA'NAX. Polygamous. Umbelled. Involucrum many-leaved : calyx 5- 

 toothed in the perfect flower, superior : berry heart-form, 2 or 3-seeded : calyx 

 in the staminate flower, entire. 46. 59 (ginseng). 



C. Corolla wanting. 



CHENOPO'DIUM. Calyx 5-parted, obtusely 5-angled, inferior : style deeply 2- 

 cleft : seed 1, lens-like, horizontal, invested by the calyx. 12. 29 (pigweed, 

 oak of Jerusalem). S. 



UL"MUS. Calyx bell-form, withering ; border 4 or 5-cleft : seed ], enclosed 

 in a flat membranaceous samara. (Stamens vary from 4 to 8). 53. 99 

 (elm). S. 



Exotic. 



BE'TA. Calyx 5-leaved : seed kidney-form within the fleshy substance of 

 the base of the calyx. 12. 29 (beet). 



D. Plants umbelliferous : flowers 5-petalled, superior : seeds 2. 

 (Seeds prickly or hispid.) 



SANIC"ULA. Seeds with hooked prickles, oblong, solid : umbels nearly sim- 

 ple, capitate : flowers polygamous : t involucre few-flowered: calyx 3-parted, 

 permanent. 45. 60. <S. 



DA'UCUS. Seeds striate on their joining sides : outer sides convex, having 

 hispid ribs : involucrum pinnatifid : flowers sub-radiated, abortive in the disk. 

 45. 60 (carrot). S. 



URASPER"MUM. SCANDIX. MYRRHIS. CHAEROPHYLLUM. Seeds sub- 

 linear, solid, acute-angled, not striate ; ribs 5-acute ; angles a little furrowed, 

 hispid; the joining sides furrowed, and attached to a 2-cleft columella-like re- 

 ceptacle : style subulate, permanent, rendering the seed caudate : involucrum 

 none or few-leaved. Fruit stiped, oblanceolate, polished, part of it hispid. 45. 

 GO (sweet cicely). 



(Seeds with wing-like ribs.') 



ANGELICA. Seeds with three ribs on their backs, and winged margins : 

 intervals between the ribs grooved : germ oval, corticate ; general involucrum 

 none. 45. 60 (angelica). 



PASTINA'CA. Seeds emarginate at the apex, somewhat winged : ribs 3 be- 

 sides the wings : intervals striate ; joining sides 2-striate : germ oval, com- 

 pressed, perianth-calyx entire : petals entire, incurved, sub-equal involucrum 

 none. 45. 60 (parsnip). 



Exotic. 



ANE'THUM. Seeds flat or convex, 5-ribbed : germ lenticular, compressed : 

 calyx and petals entire : involucrums none. 45. 60 (fennel, dill). 

 (Seeds with 3 ribs, nearly equal.) 

 Exotic. 



CA'RUM. Seeds oblong-ovate, striate : petals carinate, emarginate, inflexed ; 

 involucrum about 1-leaved. 45. 60 (caraway). 



(Seeds with 5 ribs, nearly equal.) 



CO'NIUM. Seeds 5-ribbed ; ribs at first crenate with flat intervals between 

 them ; germ ovate, gibbous ; perianth entire ; petals unequal, cordate, inflexed ; 

 general involucrum about three to 5-leaved : partial ones mostly 3-leaved, uni- 

 lateral. 45. 60 (poison hemlock). 



CICU'TA. Seeds gibbous-convex; ribs 5, obtuse, converging, with interve- 

 ning tuberculate grooves and prominences ; joining sides flat ; germ sub-glo- 

 bose, corticate, compressed laterally ; calyx obsolete, 5-toothed ; petals cordate 

 inflexed ; partial involucrums 5 or 6-leaved, or wanting. 45. 60 (water 

 hemlock). -S. 



Exotic. 



A'PIUM. Seeds convex externally ; ribs 5, small, a little prominent ; germ 

 sub-globose ; perianth entire ; petals equal, roundish, inflexed at the apex ; invo- 

 lucrum 1 to 3-leaved or wanting. 45. 60 (celery, parsley). 



CORIAN"DRUM. Seeds sub-spherical ; germ spherical ; perianth 5-toothed ; 

 petals cordate inflexed, outer ones largest ; involucrum 1-leaved, or wanting 

 45. 60 -(coriander). 



30 



