306 ON SEEDLINGS 



Average length of five longer halves 12'8 mm. 

 ,, width ,, ,, 8'6 mm. 



length smaller 11' 5 mm. 

 width ,, 8-15 mm. ; 



petioles long, terete, hairy, the dilated base slightly flattened on the 

 upper side, perfoliate, mostly equal in length. 



Stem herbaceous, developed when about to flower, procum- 

 bent. 



Leaves simple, radical and cauline, alternate, stipulate, petiolate, 

 palmatinerved, eight-lobed, and reticulate, hairy all over ; stipules 

 ovate, membranous, seated on the base of the petiole or attached for 

 half its length, but in adult specimens attached to and surrounding 

 the node of the stem. 



No. 1. Palmately seven-nerved and -lobed, reticulate ; lobes 

 cuneate terminal one deeply tridentate or trifid ; lateral lobes 

 generally tridentate ; teeth obtuse, mucronate. 



The cotyledons of G. sanguineum differ from the present ones 

 only in their smaller size. 



Geranium sanguineum, L. 



There are two ovules, of which only one, usually the upper, is 

 fertilised. The hilum is on the ventral face of the ovule a little 

 below the middle. The raphe is also ventral and proceeds from the 

 hilum to the base of the seed, where it terminates in the chalaza. 

 The micropyle is close to the hilum on its upper side. The embryo 

 originates about the middle of the ventral face of the seed with its 

 radicle embedded in a separate cavity or tube ending in the micro- 

 pyle. It grows to the upper end of the seed, and, curving round the 

 apex, commences to grow downwards till the cotyledons rest with 

 their apex against the chalaza. The cotyledons commence to fold 

 by the time they reach the upper end and while there is yet plenty 

 of room in the young seed, which is occupied by a copious, pulpy, 

 and watery endosperm. The embryo is bright green or yellowish- 

 green in the very early stages. 



G. pratense conforms very closely to G. sanguineum. 



The seedling of this species closely resembles that of G. Wallichi- 

 anum. 



Erodium moschatum, L'Herit. 



There are two ovules in each loculus of the ovary ; they are 

 slightly superimposed, and the upper one seems in all or most cases 

 to be that which is fertilised and reaches maturity. 



