136 



XLVI. GROSSULAEI^. 



Calyx superior, regular, 4- or 5-cleft. Petals 4 or 5, on the calyx. Stamens 4 or 5, between 

 the petals. Style 2-4-cleft. Fruit a berry of one cell and many seeds. 



267. RIBES. 



A. Prickly. Bearing Gooseberries. 



1. Grossularia. Branches spreading. 

 Stalks 1-3 -flowered. Bracts close together. 

 Cal. campanulate. Segments reflexed. Fr. 

 rough. s.S. 4. Walls, and rocky uncult. 



j8. TJva-crisjia. Fruit smooth. 



B. Wit Jiout prickles. Flowers in Racemes. 

 Bearing Currants. 



2. alpinum. Rac. with glandular hairs, 

 always erect. Bracts lanceolate, exceeding par- 

 tial stalks. L. polished beneath. s.S. Moun- 

 tain woods, n. Eng. Sc. Ger. Sic. Fr. 



3. nig^rum. Rac. few-flowered, pubescent. 



pendulous, with a separate flower-stalk at base. 

 Bracts subulate, faUing short of partial stalk. 

 s. 5. Moist sandy thickets, occ. 



4. petrseum. Rac. somewhat hairy, at 

 iirst erect ; pendulous when in fruit. Cal. 

 campanulate ; the Segments spatulate, erect, 

 cihate. Bracts ovate, falling short of flower- 

 stalks. (L. with triangidar, acute lobes, Bab.) 

 s.S. 5, 6. Moist rocky woods. Fi'. G. Sw. 



5. rubrum. Rac. smooth, pendulous. Cal. 

 nearly flat, hairless. Segments spathulate. 

 Bracts ovate, falling short of flower-stalk. S. 

 5. Moist woods, occ. Cantal. According to 

 Bab., petrffium, and spicatum of Sm., are va- 

 rieties of this. 



XLVII. SAXIFEAGACEiE. 



Calyx 4- or 5-cleft. Petals 4 or 5. Stamens as many as Petals, or twice as many. Capsules 

 of two carpels cohering by the inflexed sides or margins. Styles 2, persistent. Seeds numerous. 

 Albumen fleshy. 



* L. 8-5 -cleft. Lobes entire. Sp. 



34-38. 

 ** L. 3-cleft. Lobes 3-cleft. Sp, 



39-41. 



ill. L. or Divisions very acute, cuspidate. 



a. L. entire. Sp. 42-44. 



b. L. more or less divided. Sp. 45-48. 



D. L. without marginal or terminal pits. 

 No trailing shoots. Two unequal Bracts. 

 Sp. 49-51. 

 Sect. II. Calyx about one-half superior. 

 C L. quite entire. Shoots trailing. Sp. 52. 

 F. L. incise or crenate, no traOing shoots. 

 i. Stems naked. Sp. 53, 54. 

 ii. Stems leafy. Sp. 55-58. 

 Sect. III. Calyx inferior. 



No traQing shoots. Sp. 



268. SAXIFRAGA. 



Sect. I. Calyx almost superior. Shoots per- 

 ennial. Stigmas bearded. 



A. L. opposite, thickened and pitted at top. 

 Sp. 1-5. 



B. L. alternate, with a marginal row of 

 operculate pits. 



i. Shoots forming rosettes of Ungulate L. 



a. L. of rosettes serrate or crenate. 

 Sp. 6-11. 



b. L. of rosettes quite entii'e. Sp. 

 12-17. 



ii. Shoots ending in tufts of 3-edged L. 

 Sp. 18-24. 



C. L. without marginal pits, alternate on 

 trailing shoots. 



i. L. or Divisions rounded at the end. 

 Sp. 25-31. 



ii. L. or Divisions with parabolic termi- 

 nations. 



a. Shoots very short. L. almost aU radi- 

 cal. Sp. 33, 33. 



b. Shoots lengthened. 



G. Stem leafy. 

 59-61. 



H. Stem naked. No trailing shoots. Calyx 

 reflected. 



i. Filaments subulate. Sp. 62, 68. 

 ii. Filaments clavate. Sp. 64-68. 

 I. L. narrow, entire, on trailing shoots. Sp. 

 69-71. 



