Clematis. RANUNCULACE^. 5 



Group 1. Ovaries several or numerotis (in Berberidace^ and a few other cases 

 solitary), distinct ; when in several rows, sometimes cohering together, hut not 

 united into a compound pistil. Stamens and pistils inserted on the receptacle 

 (hypogynous). Seeds albuminous. 



Order I. RANUNCULACEiE. Juss. The Crowfoot Tribe. 



Calyx of 3 to 6 (but usually 5) distinct deciduous sepals, which (except in 

 Clematis') are imbricated in eestivation. Petals 3 to 15, sometimes irregular 

 or deformed, occasionally absent. Stamens indefinite, distinct (very rarely 

 definite). Ovaries numerous (rarely few or solitary), distinct ; ovules solitary 

 or several, anatropous. Carpels either dry achenia, or baccate, or follicular. 

 Seeds solitary or several. Embryo minute, at the base of fleshy or horny 

 albumen. — Herbaceous plants, rarely shrubs, sometimes climbing, with an 

 acrid watery juice. Leaves alternate (opposite in Clematis), usually palmately 

 or ternately divided, without stipules. 



CONSPECTUS OF THE TRIDES. 



Tribe I. Anemone^;. Petals flat or wanting. Anthers mostly extrorsc. Achenia numerous, caudate or subulate with 



the style. Seed suspended. 

 Tribe II. Kanunculeje. Petals with a small nectariferous scale, pore or gland at the base inside. Anthers eitrorse. 



Achenia numerous. Seed erect, or sometijues suspended. 

 Tribe III. Hellebore.'e. Petals irregular, often bilabiate or tubular, nectariferous; sometimes wanting. Calyx pcta- 



loid. Anthers mostly ( xtrorse. Carpels few (rarely soUtary), follicular, with several seeds. 

 Tribe IV. CiMiciFCGEiE. Sepals pctaloid. Petals (dilated sterile filaments or staminodia'?) 3 - G. Anthers introrse or 



innate. Carpels few, sometimes eolitary, rarely numerous, follicular or baccate, and several-seeded • or 



sometimes indehisccnt and one-seeded. 

 Tribe V. HTDRAsTiDEa:. Sepals 3, petaloid, caducous. Anthers innate. Ovaries numerous, 2-ovnied. Carpels 1 - 



2-secded, baccate, in a globose head. 



Tribe I. ANEMONEjE. Torr. ^ Gr. 



CLEMATIDE.E akd ANEMONEiE. DC. 



Petals flat or wanting. Anthers mostly extrorse. Achenia numerous, caudate, subulate or 

 mucronate with the persistent style. Seed suspended, 



1. CLEMATIS. Linn.; DC.iSyst. 1. p. 31. virgin's BOWEn. 



[Named from the Greek, klona, a. shoot or tendril; in allusion to the climbing habit of the genus,] 



Involucre none, or resembling a calyx and situated close to the flower. Sepals 4, colored, 

 in ajstivation valvatc, or sometimes with the edges bent inwards. Petals usually none, 



