Adams — On the Germination of the Seeds of some Dicotyledons. 477 



Tragopogon pratensis Linn.— Twenty seeds (1910) planted on 5th October, 

 1910. On 1st April, 1911, nineteen had germinated. 



Cotyledons linear, scarcely tapering at tlie base, pointed, entire 

 glabrous, united at the base, with one prominent vein, 44-47 mm. by 

 l|mm. First leaf slightly broader than the cotyledons, with three 

 prominent veins. 



Tassikigo Farfara Linn.— Seeds (1911) planted on 10th June, 1911. On 

 26th July, 1911, four had germinated. 



CONVOLVULACE^. 



Convolmdus sepiitm Linn.— Ten seeds (1911) planted on l^th Mareli, 1912. 

 On 18th April, 1912, five had germinated, and on 8th May, 1912, 

 two more had germinated. 



CORNACEJE. 



Cornus mnguinea Linn. — Five seeds (1910) planted on 19th April, 1911. 

 On 8tli June, 1912, one had germinated. 



Cotyledons shortly petiolate, blade broadly elliptical, obtuse, entire, 

 glabrous. Petiole 1 mm. long, blade 7 mm. by 5 mm. 



Crassulaceje. 



Cotyledon Umbilicus- Veneris Linn. — Seeds (age unknown) planted on 18th 



October, 1910. On 14th October, 1911, several had germinated. 



Cotyledons petiolate, blade somewhat peltate, flesh j% rotundate, entire, 



obtuse, glabrous. Petiole 1 mm. long, blade l|mm. by l^mm. First 



leaf peltate. 

 Sedtim roseiim Scopoli. — Seeds (age uncertain) planted on 6th May, 1911. On 



14th October, 1911, none had germinated. 

 S. Telep/tium Linn.— Seeds (1910) planted on 20th April, 1911. On 28th 



October, 1911, none had germinated. 



CRUCIFER.S;. 



Alliaria officinalis Andrz. — Twenty-five seeds (1910) planted on 6th October, 



1910. On 4th Mareji, 1911, fourteen had germinated, and on 1st April, 



1911, five more had germinated. 



Cotyledons with long petiole, blade oblong or linear, truncate, or 

 slightly notched at the tip. Petiole 10 mm. long, blade 9 mm. by 03 mm. 

 First leaf slightly hairy. 



4 



