62 Grossulariaceae. 



ORDER 2 9. — Grossulariaceae. 



Calyx gamosepalous superior of 4 or 5 sepals. Corolla polypetalous, 

 petals 5 minute. Stamens 5 short perigynous. Pistil syncarpous. Ovary 

 I -celled. Style 2 to 4 cleft. Placentas 2, parietal, ovules many. Fruit a 

 berry crowned with the remains of the calyx. Seeds numerous, suspended 

 amongst the pulp of the berry by long threads. 



l,—RIBES, 



Stems spiny, Ribes Grossularia. 



Stems without spines, 271 



271 Berries red, 272 



271 Berries black, . . . , » , R. nigrum. 



272 Calyx downy, bracts shorter than flowers, ... R. rubrum. 



272 Calyx glabrous, bracts longer than flowers, , , . R. alpinum. 



RI'BES NFGRUM. Black-Currant. 4—5. Flowers perfect small 

 (559) gieen in pendulous racemes, leaves glandular, calyx pubescent seg- 

 ments revolute, berries black larger than those of R. rubrum and 

 R. alpinum. Woods. 



RI'BES RU'BRUM. Red-Currant. 4—5. Flowers perfect in racemes 

 I558) pendulous or erect, calyx downy segments spreading, berries red. 

 Woods. 



Ri'bes alpi'num (32). Mountain-Currant. 4 — 5. Flowers dioecious in 

 (557) erect racemes, calyx glabrous segments spreading, berries red. 



[G. {Gordale, Stainforth Wood). 



RI'BES GROSSULA'RIA. Wild Gooseberry. 3—5. Spines I, 2, 

 (556) or 3 under the leaf-buds, peduncles short hairy i — 3 flowered. Hedges. 



ORDER 30. — Crassulacese. 



Calyx gamosepalous, inferior. Sepals usually 5. Corolla polypetalous, 

 petals equal in number to the sepals. Stamens as many as the petals or 

 twice that number, perigynous. Pistil syncarpous, carpels equal in number 

 to the petals, separating from each other so that the pistil seems to be 

 apocarpous. Fruit of several follicles. Leaves succulent. 



Corolla polypetalous, 273 



Corolla gamopetalous, Cotyledon II. 



273 Petals 5 or 4, Sedum I. 



273 Petals 10 or 12, . . . . . Sempervivum III. 



\.— SEDUM. 



Sepals 5, cohering at the base, petals 5 spreading, stamens 10, leaves fleshy, 

 flowers in cymes. 



