ANALYTICAL KEY. 17 



Shrubs or trees, leaves not aromatic-scented: 



stamens separate 

 Leaves simple, not lobed : fruit a small berry, 



HOLLY F. 102 



Leaves simple, not lobed: fruit a colored 

 pod : seeds in a red pulpy aril, 



STAFF TREE F. 103 

 Leaves simple, palmately-lobed or cleft, 



opposite . . . MAPLE SUBF. 109 

 Leaves compound, pinnate or digitate, 



SOAPBERRY F. 108 

 HH-H-Cafa/a: with tube adherent to the ovary, i.e. ovary inferior. 



Tendril-bearing herbs, with mostly monoacious or dioecious flowers : 



stamens commonly only 3 ..... GOURD F. 190 



Not tendril-bearing 



Pod many-seeded, 4-celled : anthers 1-celled, opening by a pore : 



leaves 3-5 ribbed ..... MELASTOM A F. 176 



Pod or berry many-seeded : anthers 2-celled, opening lengthwise 



Styles 2-5, or one and 2-cleft . . . SAXIFRAGE F. 164 

 Style 1 : stigma 2rA lobed or entire, EVENING PRIMROSE F. 179 

 Pod with 1-4 seeds, and ovary with more than one ovule in each 



cell, the seed inclosed in a pulpy aril . STAFF-TREE F. 103 

 Fruit with one seed, and ovary with only one ovule in each cell 

 Stamens just as many as the petals, and opposite them, 



BUCKTHORN F. 104 

 Stamens as many as the petals and alternate with them, or 



sometimes twice as many 



Style only one, slender : stigma notched or 4-lobed : calyx 

 with its tube mostly prolonged more or less beyond 

 the ovary: herbs . EVENING PRIMROSE F. 179 

 Style only one, thick : stigmas 5 : calyx not at all con- 



tinued beyond the ovary . . GINSENG F. 204 

 Style and stigma one: trees or shrubs, or if herbs the 

 head of flowers with corolla-like involucre, 



DOGWOOD F. 205 

 Style none : sessile stigmas 4 : aquatic herbs, 



WATER MILFOIL F. 175 

 Styles 2-5 



Petals 4: styles 2: flowers in axillary clusters in 

 late autumn: shrub : pod 2-lobed, 



WITCH-HAZEL P. 174 

 Petals 5: styles 2-5: flowers corymbed: shrub or 



trees ..... PEAR SUBF. 143 



Petals 5: styles 2-5, mostly 5: flowers umbelled: 



fruit berry-like . . . GINSENG F. 204 

 Petals 5 : styles 2 : flowers in (mostly compound) 

 umbels : fruit dry, splitting into 2 closed 

 pieces ..... PARSLEY F. 200 



OO Monopetalous Division, typically with both calyx and corolla, the lat- 



ter united more or less into one piece. 

 * Calyx with its tube adherent to the ovary, i.e. superior, or ovary 



inferior. 



Flowers collected in a head which is provided with a calyx-like involucre : 

 anthers syngenesious, i.e. united into a tube or ring around the 

 style, only 4 or 5 ....... COMPOSITE F. 220 



Flowers not involucrate, or when in an involucrate head having the 



anthers separate 

 Tendril-bearing herbs : leaves alternate : flowers usually monoecious 



or dioecious ........ GOURD F. 190 



Not tendril-bearing: flowers commonly perfect, at most polygamous 



Stamens free from the corolla, or lightly cohering with its base 



Flowers irregular: stamens with the 5 anthers and some- 



times the filaments also united . . LOBELIA F. 260 

 Flowers regular : herbs, with some milky juice : stamens only 



as many as the lobes of the corolla CAMPANULA F. 261 

 Flowers regular : shrubs, or evergreen and trailing : stamens 

 twice as many as lobes of corolla, 



WHORTLEBERRY SUBF. 262 



GRAY'S F. F. & G. BOX. 2 



