16 ORDEK 1. RANUNCULACE^E. 



dry achenia, or follicles, or baccate, 1 oo-seeded. Seed* anatropouk, cm 

 bryo straight in horny albumen. Abounding in cool regions. 

 Illustrated in figs. 33, 39, 83, 84, 109, 127, 132, 159, 155, 156, 212 234, etc. 



TKIHES AND GENERA. 



Sepals valvate in the bud. Achenia tailed. (Tribe I.) 



Fepals imbricated in the hud. a Ovaries 1-seeded, acheniate. (2) 



a Ovaries 2 00 -seeded (3) 



2 Corolla 0, 01 (indistinguishable from the colored calyx. (Tribe II., 6, 

 2 Corolla and caiyx distinct either in color or form. (Tribe III., <) 

 3 Sepals as permanent as the stamens. Fruit follicular. (Tribe IV. d) 

 3 Sepals caducous sooner than the stamens. (Tribe V., g) 

 3 -Sepals persistent with the follicular fruit. (Tribe VI.) 



I CILEMATIDE.*. Petals 0, or stamen-like. Leaves all opposite. CLKWATM. I 



fl. ANEMONE.*. 6 Sepals deciduous with the stamens. Stem-leaves opposite ANEMONK. 1 



b Sepals deciduous with the stamens. Leaves all radical. HEPATICA. 3 



b Sepals caducous. Leaves ternately compound. THALICTBUM. 4 



Leaves palmate, simple. K'.owers y . TRAUTVETTEBIA. 5 



III. RANUNCULEjE. t Sepals not appendaged. Petals red or yellow, no scale. ADONIS. 6 



e Sepals not appendaged. Petals xanthic, a scale at base. RANUNCULUS. 7 

 c Sepals appendaged. Plant small. Leaves radical. MrosuRUS. 8 



IV. HELLEBORE.*. d Perianth regular. (*) 



e Petals 0. Sepals white. ISOPYRUM. 9 



e Petals 0. Sepals 6-9. yellow. CALTHA. 10 



e Petals slender, tubular at apex. Roots yellow. COPTIS. 11 



e Petals minute, tubular at base. 1-lipped. TROLLIUS. 12 



e Petals small, tuba-lar, 2-lipped. Sepals persistent. HELLEBORCP 13 



Petals small, concave, 2-lobed. Fls. racemed. Rt. yet ZANTHORHIZA. 14 



e Petals larger than the colored sepals, 3-lobed. NIGELLA. 15 



e Petals larger than the colored sepals, spur-like, equal. AQUILEGIA. !fi 

 <J Perianth irregular. (/) 



/Upper sepal spurred, containing two spurred petals. DELPHINIUM. 17 



/ Upper sepal hooded, covering two deformed petals. ACONITUM. 1H 



V. CIMICIFUGEvE. g Flowers numerous, in long, spicate racemes. CIMICIFUGA. 19 



g Flowers many, in short racemes. Fruit baccate. AOT.EA. V.\ 



g Flower 1 only. Plant 2-leaved. Berry compound. HYDRASTIS. 21 



VI. P^ONLE. Petals plane, large, uhowy. Disk sheathing the follicles. P^KONIA. ti 



1. CLEMATIS, L. VIRGIN'S BOWER. Calyx of 4(4 9 in the exotics) 

 colored sepals, in aestivation valvate-induplicate. Petals 0, or if present, 

 more like sterile filaments. Stamens shorter than the sepals, the outer or 

 all sometimes sterile. Ovaries GO in a head. Achenia caudate with the 

 lengthened plumous or pubescent styles If.. *> Somewhat woody, climb- 

 ing by the clasping petioles. Leaves opposite. Fig. 359. 



SUBGEXERA AND SPECIES. 



| ATRAGEXR. Outer stamens petal-like. Lvs. verticillate. Fls. solitary. Vine... No. 1 

 { CLEMATIS proper. Petals none. Leaves opposite. ..(*) 



* Erect herbs. Lvs. simple. Pis. solitary, larye, terminal, nodding. May.. Nos. 9-11 



* Climbing. a Fls. panicled, white, often diclinous, sepals thin Nos. 2-4 



a Fls. solitary, nodding, b bell-shaped, pale bluish purple.. .Nos. 5, 6 



b ovoid, dark purple Nos. 7. 8 



.* Flowers in clusters, white. Leaves pinnate Nos. 12, 13 



* Fiowcre single, large. x Leaves simple. Sepals 4 Nos. 14, 18 



X Leaves compound. Sepals 4, open Nos. 16, 1 7 



x Leaves compound. Sepals 6 9, open.. .Nos. 18, 1? 



