492 Scientific Proceedings, Royal Dublin Society. 



P. communk Linn. — Twenty-four seeds (1911) planted on 2nd April, 1912. 

 On 25th July, 1912, one had germinated, and was 3| inches above 

 ground. On 10th October, 1912, no more had germinated. 



Cotyledons similar to those of Apple. 

 P. Malus Linn.— Seeds (1910) planted on 8th March, 1911. On 8th May 

 several had germinated. Seeds (1910) planted on 10th June, 1911, had 

 germinated on 1.3th July, 1911. 250 seeds (1911) planted on 2nd 

 April, 1912. Ou 10th October, 1912, none had germinated. 

 Rosa arremis Hudson. — Seeds (1910) planted on 14th Julj^ 1911. On 2iid 

 April, 1912, several had germinated. On 8th May, 1912, twenty-eight 

 had germinated. 



Ootj'ledons shortly petiolate, blade oblong, obtuse, entire, with 

 capitate hairs on the margin. A few capitate hairs occur also on the 

 petiole and hypoeotyl. Petiole 2 mm. long, blade 7 mm. by 3J mm. 

 First leaf simple or ternate, serrate. 

 B. caiiina Linn. — Seeds (1910) planted on 14th July, 1911. On 2nd April, 

 1912, some had germinated. On 9th May, 1912, twelve had germinated. 



Cotyledons petiolate, blade oblong-elliptical, obtuse, entire. Capitate 

 hairs occur on the hypoeotyl, petiole, and margin of blade. Petiole 

 3 mm. long, blade 8 mm. by 5 mm. First leaf ternate. 

 It. villosa Linn. — Fifty seeds (1910) planted ou 29th September, 1910. On 

 13th April, 1912, four had germinated, and on the 8th May, 1912, five 

 more had germinated. 



Cotyledons petiolate, blade oblong, obtuse, entire. The h^'pocotyl, 

 petiole, and margin of blade are covered with capitate liairs. Petiole 4 mm. 

 long, blade 7 mm. by 4 mm. First leaf simple or three-lobed. 

 JRuhun fruticosus Linn. — Seeds (1910) planted on 29th September, 1910. Ou 

 29th April, 1911, serveral had germinated. 



Seeds of Blackberry taken from the excreta of birds were planted on 

 3rd October, 1910, On 27th Maj^ 1911, two had germinated, and on 

 14th July, 1911, twelve more had germinated. 



Cptyledons shortly petiolate, blade oblong to subtrotund, obtuse, 

 entire. Scattered hairs occur on the hypoeotyl, petiole, and blade. 

 Petiole lJ-2-g- mm. long, blade 3-4jmm. by lj-3i mm. First leaf simple, 

 petiolate, with subrotuud, serrate blade. 

 R. idcBus Linn.— Seeds (1910) planted on 29th September, 1910. On 8th 

 Ma^', 1911, many had germinated. 



Seeds of Raspberry that were just ripe were planted on 6th July, 1911. 

 On 8th May, 1912, four had germinated. 



Cotyledons petiolate, blade oblong, entire, obtuse. Hypoeotyl and 



