510 



ON SEEDLINGS 



at least in the seedling state, evergreen; petioles very short, 

 shallowly grooved above. 



No. 1. Cuneate, trinerved, obtusely tridentate towards the apex, 

 very small. 



No. 2. Larger, cuneate or broadly subelliptic, obtusely three- to 

 five-toothed. 



Nos. 8-5. Cuneate -ellip tic, obtusely or acutely serrate, gradually 

 larger La each successive leaf, alternately penninerved and reticu- 

 late. 



Ribes glutinosum, Jacq. (fig. 330). 



Pistil syncarpous, inferior ; ovary of two carpels, one-celled with 

 numerous ovules on two parietal placentas ; micropyle basal ; ovules 

 anatropous. 



Fruit a berry, globose, one-celled, many-seeded, pulpy internally 



IT 



IT f 



FIG. 880. Ribes glutinosum, x 14. A, longitudinal section of seed; 

 B, transverse section of seed: OT, testa; IT, tegmen; P, endo- 

 sperm ; C, cotyledon. 



with numerous horizontal seeds embedded in the pnlp on two parietal 

 placentas. 



Seed subobovoid, variously angled with obtuse angles, glabrous, 

 deep brown ; testa thick, hard when dry, but swelling up and gela- 

 tinous when moist ; tegmen thin, black, crustaceous ; hilum and 

 micropyle basal, contiguous. 



Endosperm copious, fleshy, firm, colourless. 



Embryo minute at the base of the endosperm, straight, colour- 

 less ; cotyledons short, oblong, obtuse, entire, plano-convex, sessile ; 

 radicle stout, blunt, shorter than the cotyledons. 



Eibes saxatile, Pall. (fig. 331). 



Primary root long, tapering, with a few fibrous lateral rootlets, 

 becoming brown and wiry. 



