116 ON SEEDLINGS 



Ultimate leaves cordate-acuminate or more often triangular, 

 acute or subacuminate, more or less cordate at the base, tri- 

 nerved in the lower half and alternately penninerved upwards, 

 coarsely and irregularly toothed, scabrous on both surfaces. 



Guizotia abyssinica, Cass. 



Hypocotyl erect, terete, pubescent, 8-15 mm. long, light green 

 or colourless. 



Cotyledons ovate-orbicular, obtuse, emarginate, petiolate, pube- 

 scent, dark green, pinnatinerved, like the leaves. 



Stem erect, terete, herbaceous ; 1st internode 2-3 mm. long. 



First leaves simple, entire, cauline, opposite, lanceolate, obtuse, 

 shortly petiolate, exstipuiate, pubescent, light green, pinnati- 

 nerved. 



Heterospermum diversifolium, H. B. K. 



Primary root soon giving off very strong lateral rootlets which 

 keep the primary one in check, annual. 



Hypocotyl erect, terete, glabrous, 5-8 mm. long. 



Cotyledons spathulate, obtuse, entire, sessile, tapering to the 

 base and slightly connate, glabrous, with a distinct midrib, 1-1-3 

 cm. long, 2-2-75 mm. wide above the middle. 



Stem annual, herbaceous, erect, terete, somewhat striate, with 

 rows of hairs from the edges of the leafstalks downwards ; 1st inter- 

 node 3-4 mm. long ; 2nd 7-11 mm. 



Leaves simple, cauline, opposite, decussate or verticillate in threes, 

 exstipuiate, somewhat hairy on both surfaces, with strong, sharply- 

 ascending nerves ; petioles channelled above, slightly connate at 

 the base. 



First pair linear-spathulate, obtuse, entire, or sometimes sub- 

 cuneate, rather deeply trifid. 



Second pair ovate, pinnatifid, with about five segments. 



Third to sixth pairs ovate-elliptic or subrhomboidal, cuneate at 

 the base and shallowly serrate, not pinnatifid. 



Coreopsis Atkinsoniana, Dougl. (fig. 460). 



Achene oval in outline, convex both in a longitudinal and 

 transverse direction dorsully, but involute at the margins and con- 

 cave ventrally, with a small, somewhat elevated scar at either end, 

 smooth on the back and minutely dotted or reticulated, or distinctly 

 echinulate, black. 



Seed obovate, curved longitudinally and compressed dorso-ven- 

 trally, conforming to the interior of the fruit ; testa pale or whitish, 



