Adams — On the Germination of the Seeds of some Dicotyledons. 471 



Corylus AveUana Linn. — Fourteen seeds (presumably 1910) were planted on 

 15th March, 1911, the shell having been previously removed. On 19th 

 July, 1911, one had germinated and was about IJ inches above ground. 

 On 28th October, 1911, no more had germinated. 



Seven seeds (presumably 1910) were freed from the shell and planted 

 on 1st July, 1911. On 28th October, 1911, none had germinated. 



BORAGINACEJE. 



Ci/iwglossum officinale Linn. — Cotyledons petiolate, spatulate, glabrous, rather 

 fleshy, with entire margin. Length, including petiole, 32 mm., breadth 

 14 mm. 



Lycopsis arvensis Linn. — Seedlings obtained in Co. Dublin on 13th May, 1911. 

 Cotyledons broadly lanceolate to spatulate, tapering at the base, 

 entire, obtuse, hispid, somewhat fleshy, 21 J mm. by 8f mm. First leaf 

 crisped, hispid. 



CaLLITRICHACKjE. 



Callilriche verna Linn. — Seeds (1910) planted on 19th April, 1911. None had 

 germinated on 28th October, 1911. 



Campanulace^. 



Campanula Trachelmm Linn. — Seeds (1910) planted on 19th April, 1911. On 

 24th June, 1911, two had germinated, and on 14tli July, 1911, another 

 had germinated. On 14th October, 1911, no more had germinated. 

 Cotyledons shortly petiolate, broadly ovate or oblong, obtuse, entire, 

 glabrous, 3-3J mm. by 1| ram. First leaf subrotund, serrate or crenate, 

 hispid. 



Lobelia Dortnianna Linn. — Seeds (1909) planted on 6th May, 1911. On 14th 

 October, 1911, none had germinated. 



Caprifoliace.*;. 



Lonicera Periclymenum Linn. — Seeds (1910) planted on 29th September, 1910. 



On 1st April. 1911, eighteen had germinated. 



Cotyledons almost sessile, broadly elliptical, with prominent veins, 



glabrous, entire, with a very shallow notcli at the tip, 5^ mm. by 



3J-4mm. 

 Sambucus nigra Linn. — Seeds (1910) planted on 29th September, 1910. On 



29th April, 1911, several had germinated. 

 Viburnum Opulus Linn. — Six seeds (1910) were planted on 29th September, 



1910, and nineteen more on 3rd October, 1910. On 8th June, 1912, none 



had germinated. 



