PENTANDRIA. 



(7) Flowers incomplete ; beneath. 

 THE'SIUM. Seed 1 ; crowned : Cal. bearing the stamens. 



*iy 



digynia. . 



m • 



, (l) Flowers incomplete. k 

 XANTHIUM. Flowers compound. M 



same 



M. Cal. common; tiled: Bloss. 1 petal; 5 -cleft; fun- 

 nel-shaped : Recept. chaffy. 



F. Cal. involucrum; 2-leaved; 2-flowered: Bloss. 



none: Drupa juiceless; prickly; with 2 clefts: 

 Nut 2-celled. 



UI/MUS. Berry juiceless; compressed: Cal. 1 leaf; 



shrivelling. 



HU / MULUS. Seed I ; within a leafy calyx: Flowers, 



male and fern, on different plants. 

 M. Cal. 5 -leaved. 

 F. Cal. 1 leaf; entire; with an oblique opening. 



A'TRIPLEX. Seed 1; compressed: Female flowers on 



the same plant. 

 H. Cal. 5 leaves. 



F. Cal. 2 leaves. 

 CHENOPO'DIUM. Seed round and flat: Cal. with 5 di- 



• • 



visions; segments concave. 



BETA. Seed 1 ; kidney-shaped: Cal. with 5 divisions: 



with a 1 -celled capsule in its base. 



HERNIA'RIA. Seedl; egg-shaped; covered: Cal. with 



5 divisions : Filaments 5 sterile ones. 



SAI/SOLA. Seed 1 ; like a snail-shell ; inclosed in a cap- 

 sule covered by the calyx. 



[Polygonum amphibium. Staphylea pinnata. Scleranthus 

 annuus, and perennis. Quercus. Cuscuta europara.] 



(2) Flowers of I petal; leneath the germen. 



SWERTIA. Caps. 1 -celled; 2-valved; Bloss. wheel- 

 shaped ; with 5 nectariferous pores. 



GENTIA'NA. Caps. 1 -celled; 2-valved j Bloss. tubular: 



Receptacles of the seeds^ 2. 



[Cuscuta.] 









