oo 



RHAMNEiE. 



fruit, especially in several species of Rhdmnus, in which they or ovate. Disk cup-shai^etl (f. 5. F. g.). Style simple, elon- 

 both are purgative and emetic, and in some degree astringent. gated. Fruit dehiscent, containing 3 nuts (f. 5. F. h. k.). 



able fruit. The berries of the greater number yield jellow and Stamens inclosed. Anthers 1-celled, kidney-shaped. 



green dyes, under the hands of the chemist, of much importance 



to manufacture. The bark of Ceanothiis ca?rw/ew^ is esteemed valved, 1-seeded. 



12 Trevoa. Calyx turbinate, 5-cleft. Petals cucullate, 



Disk 



almost wanting. Style long, hairy. Capsule membranous, 2- 



Mexico 



Synopsis of the Genera* 



). Petals 



13 DiscA RiA. Calyx campanulate, 4-5-cleft, coloured. Pe- 

 tals 4-5. Stamens inclosed. Anthers 2-celled. Disk cup- 

 shaped, fleshy. Style crowned by a 3-lobed stigma. 



14 Hove'nia. Calyx rather spreading (f. 6. B. a.), 5-cleft. 



Stamens 



). Anthers 2-celled. Disk fleshy (f. 6. B. 



obovate, convolute (f. 4. A. b.). Stamens exscrted (f. 4. A. c). Petals obovate, unguiculate (f. 6. B. cX convolute. 

 Anthers 2-celled (f. 4. A. c). Disk flat (f. 4. A. d.) pentagonal. 

 Styles 3. Fruit dry, indehiscent (f. 4. A. g.), containing a 3- 

 celled nut (f. 4. A. h.), winged in the circumference (f. 4. A./). 

 2 Zi'zYPiius. Calyx spreading (f. 4. B. a.), 5-cleft. Petal 



/.), flat. Style trifid. Fruit of 3 free berries (f. 6. B. L). 



15 CoLUBRiKA. Calyx spreading, 5-cleft (f. 6. D. a.). Petals 

 obovate, convolute (f. 6. D. b.). Stamens exserted (f. 6. D. c). 



obovate, unguiculate (f. 4. B. &.). convolute. Stamens exserted Anthers 2-celled. Disk fleshy, flattish, pentagonal (f. 6. D. g.). 



(f. 4. B. c). Anthers 2-celled (f. 4. B. c.) 

 taining a 1 -2-celled nut (f. 4. B. h.). 



Fruit fleshy, con- 



Style trifid. 



/) 



16 Ceakothus. Calyx a hemispherical tube, with a 5-cleft 

 limb (f 6. C. d.). Petals unguiculate, cucullate (f. 6. C. c.> 

 Anthers 2-celled (f. 6. C. 6.). Disk spongy, annular (f. 6. C.e.) 



/•) 



3 Sph^roca'rya. Calyx 5-parted. Petals minute, ovate, 

 obtuse. Stamens short. Disk none. Style 1. Drupe fleshy, 

 containing a 1-celled, 1 -seeded nut. 



4 CoNBA^Li. Calyx spreading 5-cleft (f. 4. C. a.). Petals tals' cuculIaTer sessile (11. F.T)7*ItamenT inclosed. ' Anthers 

 wanting. A^nthers 2-celled (f. 4. C. c). Disk flat, pentagonal g.eelled. Disk very thin (f. 6. F. c). Ovary 3-celled. Style simple. 



Styles 3. 



17 Willeme'tia. 



(f- 



Pe 



(f. 4. C. d.). 



18 Pomade'rris. Calyx rather 



(f- 



cleft. Petals flat, unguiculate, subcordate or wanting. Stamens 



5 Bbkche^mia^ Calyx tubular, 5-cleft (f. 4. E. «.). Petals exserted (f. 6. E.' b.). Anthers 2-celled (f. 6. E. c e.). 



2-celled (f. 4. E. c). 



Stamens inclosed (f.4. E. d.). Anthers 



) 



/•) 



6 Ventila GO. Calyx spreading, 5-cleft (f. 4. D. c). Petals 

 obovate, convolute (f. 4. D. «.). Stamens exserted (f. 4. D. b.). 

 Anthers 2-celled (f. 4. D. b.). Disk fleshy, flat. Style com- 

 pressed, bidentate (f. 4. D. j.). Fruit indehiscent (f. 4. D. /«.), 

 woody, 1-celled, 1 -seeded, winged at the apex (f. 4. D. k.). 



Disk 



wanting. Style trifid (f. 6. E. c. d.). Fruit containing 3 seeds 

 (f.6. E./.). 



1 9 Cryi'ta'ndra. • Calyx coloured, campanulate 5-cleft (f. 5. 

 D. c. b. a.). Petals small, cucullate, sessile (f. 5. D. e.). 

 Stamens inclosed (f. 5. D. e.). Anthers 2-celled. Disk wanting. 

 Style simple. Capsule containing 3 seeds. 



20 Barth'ngia. Calyx bibracteate, tubular, 5-cleft. Petals 

 scale-formed. Stamens 10. Anthers 2-celled, opening laterally. 



convolute or cucullate (f. 4. F. e. b.). Anthers 2-celled (f. 4. 



). Petals Disk wanting. Style* simple. Ovary compressed, 1-celled, 1-2 



/•) 



Disk thick, cup-shaped. 



seeded. 



(f. 



Style short, thick (f. 4. F. g.). 



8 Rha'mnus. Calyx urceolate (f. 5. A. b. C. b.), 4-5-cleft 2-lobed! 



Ik 



21 Solena'ntha. Calyx 5-cleft. Petals 5, conniving into a 

 tube. Anthers 2-celled, each inserted under a scale. Ovary 



). Petals emarginate (f. 5, C. c), or wanting. 



) 



22 Tetrapa'sma. Calyx 4-cleft. Petals 4, cucullate. Sta 



3-4, connected (f. 5. A. g.}, or free. Fruit baccate, containing 

 3-4, rarely 2, little nuts (f. 5. A.^'. B. /.). 



9 ScuTiA. Calyx urceolate, 5-cleft (f. 6. A. g.). Petal 

 flattish, emarginate (f. 6. A. c./.). Anthers 2-celled (f. 6. A. b.). 

 Disk fleshy (f. 6. A. e.). Style short (f. 6. A. k.). Fruit con- 

 taining 3 nuts (f. 6. A. /.). 



10 Retanilla. Calyx urceolate, 5-cleft (f. 5. E. &. e.). Petals 

 cucullate (f. 5. E. c. d.), sessile. Stamens inclosed (f. 5. E. c). 

 Anthers kidney-shaped, 1-celled. Disk covering the bottom of 

 the calyx (f. 5. E. g.) Style simple (f. 5. E. h.). Fruit con- 

 taining a 3-celled nut (f. 5. E. i.). 



11 Colle'tia. Calyx campanulate (f. 5. F. /.). coloured. 

 Petals wanting. Anthers 1 -2-celled, kidney-shaped (f. 5. F. i.) 



). Styles mens 4, inclosed. Stigma 3-lobed. Ovary 3-celled. 



23 Trichoce'phalus. Calyx with a short tube and long seta- 

 ceous segments (f. 7. C. b.). Petals wanting or setaceous. 

 Anthers kidney-shaped, 1-celled (f. 7. C. e.). Disk hardly any. 

 Style simple, short. Fruct containing 3 seeds (f. 7. C. c). 



24 Phy'lica. Calyx with a cylindrical tube and a 5-cleft 

 limb (f. 7. B. b.). Petals cucullate (f. 7. B. d. c). Stamens in- 



/•) 



). Anthers 1 -2-celled. Disk hardly evident 



25 SouLA NGiA. Calyx with an obconical tube and a cleft 



(f. 



Stamens inclosed (f. 7. D. c). Anthers 



kidney-shaped, 1-celled (f. 7. D. c). Disk epigynous(f. 7. D. h.), 



pentagonal, fleshy. Style simple. Fruit 3-seeded (f. 7. D. k. i.j-)' 



26 Goua'nia. Calyx with a rather spreading, 5-cleft limb 



