ANALYTICAL KEY, 17 



iShrubs or trees, leaves not aromatic-scented.' page 

 stamens separate — 

 Ijeaves 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 

 —^•t- Calyx with tube adherent to the ovary, i.e. ovary inferior. 



Tendril-bearing herbs, with mostly monoecious 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 MELASTOMA 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 2-4 lobed or entire, E\T:NING 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 m.any 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. 20i 

 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 2r flowers in axillary clusters in 

 late autumn: shrub: pod 2-lobed, 



WITCH-HAZEL F. 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 



00 Monopetalous Division, typically ivith 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 invohicrate, or when in an involucrate head having the 

 anthers separate — 

 Tendril-bearing herbs : leaves alternate : flowers usually monoecious 



or dioecious GOURD F. 190 



Xot tendril-bearing: flowers commonly perfect, at most polygamous — 

 Stamens free fj-om 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 coroUa 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. & O. BOT, — 2 



