192 DECANDRIA. [CL. X. 



** Flouers of one petal, regular. 



2. ANDRO'MEDA. Corolla egg-shaped, or bell-shaped. Capsule 



five-celled. 



3. A'RDUTUS. Corolla egg-shaped, transparent at the base. Berry 



five-celled. 



( Vaccinium Myrtillus and Oxycoccos. Cl. VIII. 

 Menziesia carulea. Cl. VIII.) 



Order II. DIGYNIA. Two Pistils. 



7. SCLERA'NTHUS. Corolla none. Calyx of one leaf. Seeds two. 



5. CHRYSOSPLE'NIUM. Corolla none. Calyx coloured. Capsule 



two-beaked. Seeds numerous. 



6. SAXI'FRAGA. Corolla of five petals. Calyx deeply divided into 



five segments. Capsule two-beaked. Seeds numerous. 



8. SAPON A'RIA. Corolla of five petals. Calyx tubular, of one leaf, 



naked at the base. Capsule oblong. 



9. DIA'NTHUS. Corolla of five petals. Calyx tubular, of one leaf, 



with scales at the base. Capsule oblong. 



Order III. TRIGYNIA. Three Pistils. 



12. ARENA'RIA. Capsule one-celled, many-seeded. Petals five, un- 



divided, spreading. Calyx five-leaved. 



11. STELL A'RIA. Capsule one-celled, many-seeded. Petals five, 

 deeply cleft, spreading. Calyx five-leaved. 



13. CHERLE'RIA. Capsule one-celled, many-seeded. Petals none. 



Five glands at the base of the stamens. 



10. SILE'NE. Capsule with three incomplete cells. Petals with claws, 

 their limb cleft. Calyx of one leaf. 



(Polygonum Bistorta.) 



Order IV. PENTAGYNIA. Five Pistils. 



14. COTYLE'DON. Capsules five, each with a scale at the base. 



Corolla of one petal. 



15. SE'DUM. Capsules five, each with a scale at the base. Corolla of 



five petals. 



16. O'XALIS. Capsule five-celled, angular, each cell two-seeded. 



Petals connected at the base. 



18. LY'CHNIS. Capsule one or five-celled, each cell many-seeded. 



Calyx tubular, membranous, five-toothed. Petals five, clawed, 

 crowned. 



17. AGROSTE'MMA. Capsule one-celled. Calyx tubular, leathery, 



five-cleft. Petals five, clawed, with undivided limb. 



19. CERA'STIUM. Capsule one-celled. Calyx of five leaves. Petals 



five, cleft. 



20. SPE'RGULA. Capsule one-celled. Calyx of five leaves. Petals 



five, undivided. 

 (Adoia. Cl. VIII. Rhodiola. Stellaria uliginosa and xapigera.) 



