OF THE GENERA. xli 



Claytonia. Calyx of 2 ovate or roundish persistent sepals. Petals 5, 

 obcordate or obovate, unguiculate. Style 5-cleft. Capsule 1-celled, 3- 

 valved, 3 — 5-seeded. Portulacacece, p. 120. 



Ceanothus. Calyx 5-cleft, campanulate, persistent and somewhat ad- 

 hering to the fruit. ^Petals 5, small, saccate and arched, with long claws. 

 Styles 2 — 3, united to the middle. Fruit dry and coriaceous, 3-celled, 3- 

 seeded, 3-parted, opening on the inner side. RhamnacecB, p. 70. 



EvoNYMUS. Calyx 4 — 5-cleft, having a peltate disk within. Petals 

 4 — 5. Stamens inserted upon glands at the margin of the disk. Capsule 

 with 3 — 5 angles, and as many cells and valves. Seeds with a colored 

 fleshy aril. ' Celastracece, p. 68. 



Celastrus. Calyx minute, 5-lobed. Petals 5, small, unguiculate. 

 Ovary small, with 10 striae, immersed in the disk. Stigma 3-lobed. Cap- 

 sule 2 — 3-valved ; valves septiferous in the centre. Seeds enclosed in a 

 pulpy aril. Celasti'acea, p. 69. 



******* Perianth dmible, inferior. Cm-olla 4 — 5-peialled. Fruit a drupe 

 or berry. 



ViTis. Calyx somewhat 4 — 5-toothed. Petals 4 — 5, cohering at the 

 apex, deciduous. Stigma simple, sessile. Berry 2-celled, 1 — 4-seeded ; cells 

 and seeds often abortive. Vitacecc, p. 63. 



Ampelopis. Calyx nearly entire. Petals 5. Stigma capitate. Ovary 

 not immersed in the disk. Berry 2 — 4-seeded. VitacecB, p. 62. 



Rhamnus. Calyx 4 — 5-cleft, urceolate. Petals alternating with the 

 lobes of the calyx, sometimes very minute or wanting. Style 2— 4-cleft. 

 Fruit drupaceous, roundish, containing 2 — 4 cartilaginous nuts. Rham- 

 nacecB, p. 70. 



*** 



***** Perianth double, superior. Corolla^ — b-petalled. 



Ribes. Calyx campanulate or tubular, 4 — 5-parted. Petals 4 — 5, mi- 

 nute, inserted into the throat of the calyx. Style 2— 4-cleft. Berry crowded 

 with the withered flower,*l-celIed. GrossuLariacece, p. 124. 



********* Perianth single. 



Hamiltonia. Polygamous. Perianth turbinate-campanulate, 5-cleft. 

 Germ immersed in the 5-toothed glandulous disk. Stigmas 2 — 3, sublen- 

 ticular. Drupe pyriform, 1-seeded, enclosed in the adhering base of the 

 calyx. SanialacecB, p. 308. 



CoMANDRA. Perianth urceolate-campanulate, colored ; the limb 5-cleft. 

 Stamens villous externally. Fruit somewhat drupaceous, dry, 1-celled, 

 crowned by the persistent perianth. Santalacecc, p. 307. 



Glaujc, Perianth inferior, campanulate, 5-lobed, colored. Stigma cap- 

 itate. Capsule globose, 5-valved, few-seeded. PrivnilacecB, p. 291. 



Anychia. Calyx 5-parted. Sepals connivent, subsaccate, callous at the 

 apex. Petals none. Stigmas 2, subcapitate. Capsule indehiscent, utri- 

 cular, 1-seeded, surrounded by the persistent calyx. Illecebrace(X, p. 52. 



Order II.— DIGYNIA.— 2 Pistils. 



* Perianth double, inferior. Corolla \-petalled. 



Apocynum. Calyx 5-parted. Corolla campanulate, 5-cleft ; the base 

 famished with 5 triangular scales, alternating with the lobes. Anthers 



