168 ON SEEDLINGS 



First leaves simple, radical, alternate, cordate, crenate- serrate, 

 hairy with rather long stiff hairs, green, pinnatinerved ; petiole 

 long, furrowed above. 



Campanula thyrsoides, L. 



Primary root tapering, twisted or flexuose near the top, and 

 giving off numerous lateral fibres, biennial. 



Hypocotyl subterranean, short, stout, fleshy , colourless, glabrous, 

 5 mm. long. 



Cotyledons small, ovate, obtuse, subpetiolate, 3'5 mm. long, 

 2*5 mm. wide, hairy. 



Stem herbaceous, developed when about to flower. 



Leaves radical and cauline, sessile (or the first two to four 

 shortly petiolate), light green and shining above, paler and shining 

 beneath, densely hairy on both surfaces, penninerved with alternate 

 nerves ; petioles of first four leaves, short, broad, flattened 

 above. 



No. 1. Ovate, obtuse, slightly dentate, 7'5 mm. long, 5 mm. 

 wide. 



No. 2. Similar, larger. 



No. 3. Oval, obtuse, serrulate, cuneate at the base. 



No. 4. Ovate, obtuse, cuneate at the base, serrulate. 



No. 5. Elliptic, obtuse, serrulate, cuneate at the base and 

 sessile. 



No. 6. Oblong- elliptic, obtuse, serrulate, cuneate at the base, 

 sessile. 



No. 7. Obovate, obtuse, crenate-serrate. 



Nos. 8 and 9. Oblong-elliptic, obtuse, crenate-serrate. 



Ultimate leaves obovate-spathulate, subacute, tapering to the 

 base, mucronately serrulate, bright green, shining and hairy above 

 especially towards the margin, paler beneath, shining and nearly 

 glabrous, flat or concave. 



Specularia castellana, Lge. 



Hypocotyl erect, terete, glabrous, 1-4-1-8 cm. long, light green, 

 or colourless. 



Cotyledons ovate-rotund, small, emarginate, glabrous, green, 

 indistinctly one-nerved ; petioles rather broad, very slightly chan- 

 nelled on the upper face 



Stem with primary internodes undeveloped. 



Primary leaves broadly oblong or subrotund, radical, alternate, 

 obtuse, crenate, finely pubescent, green, pinnatinerved ; with broad 

 hairy petioles, channelled above. 



