LILIACEJE 



579 



Hypocotyl undeveloped. 



Cotyledon erect, terete, solid, dilated at the base forming the 

 first bulb, including the plumule, tapering gradually upwards to a 

 slender point, bearing the small black shining obovoid testa, which 

 it retains until the tip withers and allows the testa to fall off, 

 glabrous, deep shining green, dotted with minute colourless points, 

 10-23 cm. long, 1-5-2-5 mm. thick. 



Stem excessively short in the seedling stage, with undeveloped 

 internodes, ultimately producing a bulb 10-15 cm. or more in 

 diameter. Bulb of cotyledon 4*5-6 mm. in diameter. The old bulb 

 consists of a few closely aclpressed, green and fleshy tunics or 

 sheaths. 



Leaves simple, entire, radical and cauline, alternate, exstipulate, 

 sessile, glabrous, soon falling away or de- 

 ciduous. 



No. 1. Radical, erect, terete, bright 

 green, pushed out from the base of the coty- 

 ledon, and similar to it, 1-8 cm. or more 

 long. Leaves of the flowering stem numer- 

 ous, small and scale-like, subtending the 

 numerous branches and branchlets. 



Tulipa sp. (fig. 683). 



Seed obovate, very much flattened ver- 

 tically, thin, winged, glabrous, brown, with 

 a very small micropyle even after germina- 

 tion and not splitting, 8-9 mm. long, 6'5- 

 7'5 mm. wide. 



Primary root fleshy or succulent, brittle, 

 rather thick and tapering very little, ap- 

 parently never branching, and soon dying 

 away, straight or flexuose, whitish or dirty 

 yellow, with few or no root-hairs. 



Hypocotyl undeveloped. 



Cotyledon terete, solid, elongated, thick- 

 est in the middle and tapering to the base, FlG . 6 ~83.-r^ a >. Nat. 



but more so to the apex, which is produced siz3 - s > seed ; < cot Y- 

 . i -, . , , , . ledon ; B, primary bulb, 



into a very slender point usually carrying 



the testa ; deep subglaucous-green, glabrous, withering early at the 

 tip, allowing the testa to drop, 7-8'5 cm. long ; basal part becoming 

 gibbous and hollow, forming a very blunt point which pushes its 

 way downwards into the soil carrying with it the plumule, and 

 finally ending in a blunt point with a few undeveloped root-like 



