DICOTYLEDONES. 

 THALAMIFLOR^. 



I. RANUNCULACEJ^]. 



Stamens more than 10 (except occasionally in Myosurus and Ceratocephahis) . Anthers 

 ' adnate. Germens more than one (except in Delphinium peregrinum, and sometimes in B. 

 Ajacis). Leaves sheathing at base. In Nigella the seed-vessels are more or less united. 



The RanunculaceEe are divided into the following Tribes : — 

 1. CLEMATIDE^.— Seeds soUtaiy. Estivation valvular Gen. 1, 2. 



3. ANEMONEiE. — Seeds soHtaiy. Estivation imbricate. Petals 5, without a nec- 

 tariferous pore at the base ......... Gen. 3-5. 



3. RANUNCULEjE. — Seeds sohtaiy. Estivation imbricate. Petals with a 



nectariferous pore or scale at the base ....... Gen. 6-8. 



4. HELLEBORES. — Seeds several in each carpel. Anthers extrorse . . Gen. 9-18. 



5. PEONIES. — Seeds several. Anthers introrse Gen. 19-21. 



Tribe I. CL'EMATIBEM. 

 1. CLEMATIS. 



A. Invol. 0. Carpels with feathery tails. 



1. inte^ifolia. Stem erect. L. ovate 

 or ovato-lanceolate, quite entire. Stallvs 1- 

 flowered. Fl. nodding, p. 6, 7. Moist 

 meadoios. Austr. Cam. Pyr. 



2. recta. Stem erect. L. pinnate. Lts. 

 stalked, ovato-lanceolate, quite entire, p. 5, 6. 

 Dry hills, mdt. Er. It. s. e. G. 



3. Plammula. Stem climbing. L. bi- 

 pinnate. Lts. entire and three-lobed. S. 7, 

 9. Dry hills. Coasts of Mdt. 



4. Vitalba. Stem climbing, angular. L. 

 pinnate. Lts. ovato-lanceolate, ineiso-dentate, 

 acuminate, tnmcato-cordate at base. Pan. not 

 exceeding L. 



S. 7- Hedges and thickets. 



B. Involucre 0. Tails of Carpels not 

 bearded. 

 5. Viticella. Stems climbing. L. com- 

 pressed. Lts. ovate, margin entire. Stalks 

 solitary, 1-flowered. S. 5-8. Thickets. Trieste 

 and n. e. It. 



C. Involucre of one L. Carpels with bearded 

 tails. 



6. cirrhosa. Stalks 1-flowered, nodding. 

 L. somewhat cordate, dentate, simple, or 

 ternate. S. 9-11. Sic. Cors. Calab. Bari. 



7. balearica. Stalks 1-flowered. L. ter- 

 nate. Lts. stalked, three-lobed, ineiso-dentate. 

 S. 10. Tliickets. Bari. 



2. ATRAGENE. 



1. alpina. Lts. serrate. Pet. spatulate. 

 w. 7-8. Rocky woods. Alps. 



not 



Tribe II. ANEMONEM 

 3. THALICTRUM. 



A. Carpels three-edged, winged, 

 striate, stalked. 



1. aquilegifolinm. Pan. coiymbose. Pr. 

 smooth. Stipels at the ramifications of the 

 L. -stalk, p. 5-7. Mountain woods. 



B. Carpels furrowed and stalked. 



2. alpinum. Stem quite simple. Rac. 



