rX.O'BA OF BRITISH I]N"DU. 



Okdee I. RAJMUNCULACEiE. (By Hooker f. & thowcin.) 



Annual or perennial herbs, rarely shrubs. Leavei radical or alternate 

 (opposite in. GlematidoB). Stipules Oj or adnata to the petiole, rarely 

 free. Mowers regular or irregular, 1-2-sexual, rarely bracteate. Disk 

 very rarely present (Pceonia}. Sepals 5 or more, rarely 2-4, deciduous 

 (persistent in Fceonia), often petaloiid, imbricate (valvate in Clematis). 

 Petals 0, or 3-5 ' or more, hypogynous, imbricate, often minute or de- 

 formed. Stamens hypogynous ; anthers usually adnate and dehiscing late- 

 rally. Carpds usually many, free, 1-celled ; stigma simple ; ovules one or 

 more on the ventral suture, anatropons, erect -with a ventrsd or pendulous 

 with a dorsal raphe. Fruit of numerous 1-seeded achenes, or many-seeded 

 follicles, rarely a berry. Seed small, albumen copious j embryo minute.^ 

 DiSTEiB. Abundant in temperate and cold regions; genera 30, known 

 species about 300. 



Tribe I. Clematideae. Erect or climbing shrubs. Leaves opposite. 

 Sepals petaloid, valvate. Carpels 1-ovuledj ovule pendulous. Fruit of 

 many achenes. 



Petals 1. Cvmxns. 



Petals many, lineal 2. NATAyEi,iA. 



Teibe n. Anemoneae. Herbs. Leaves radical or alternate. Sepals 

 petaloid, imbricate. Cwrpeh 1-ovuled; ovule pendulous Frmt of many 

 achenes. 



Petals 0, flowers involuprate ............ 3. Anemone. 



Petals 0, flowers not involucrate . _ 4. Thalictedm. 



Petals 5-15, with a nectariferous pit .. 1 ...... 5. Callianthehum. 



Petals 5-16, with no nectariferous pit 6. Adonis. 



Tribe III. Ranunculess. Herbs. Leaves radical or altermate. S^als 

 herbaceous, imbricate. Cartels 1-ovuledj ovules erect. Fruit of many 

 achenes. 



Sepals 3-5, deciduous, petals usually 5 7, EAWNQU;i,ca. 



Sepals 5, persistent, petals 10-15 8. Oxtgkaphis. 



Tribe IV, Kelleborese. Herbs or undershrubs. Leaves alternate. 

 Sepcds petaloid or herbaceous, imbricate. Carpels several, many-ovuled. 

 Fruit of 1 or more follicles (berried in Actcea), 



VOL. I. B 



