42 Aceraceae — Geraniaceae. 



ORDER 17. — Aceraceae. 



Sepals and petals 4— 9 (usually 5) distinct. Stamens 8 inserted upon a 

 hypogyiious disk. Pistil syncarpous superior of 2 carpels. Style I. Stigmas 2. 

 Fruit a samara. 



I.— ACER. 



A'CER PSEUDO-PLAT'ANUS. Sycamore. 5—6. Leaves 5-lobed cre- 



(318) nate, racemes pendulous. Woods. 



A'CER CAMPES'TRE (62). Maple. 5—6. Leaves 5-lobed unequally 



(319) serrate, racemes erect. Woods and Hedges. Fig. p. 44. 



A. Sacckaratum is the North American Sugar-maple. 



ORDER 18. — Geraniaceae. 



Sepals and petals 5 distinct. Stamens 10 monadelphous hypogynous. 

 Pistil syncarpous of 5 carpels superior. Styles 5 united, stigmas 5. Fruit 

 with a long beak. 



„ r Stamens 10, all bearing anthers, . Geranium L 



Flowers regular, \ ^ . ^ ,. .,- 



lStamens 5, staminodes 5, . . Erodium IL 



Flowers irregular, ....... Impatiens IIL 



\.— GERANIUM. 



Fruit beaked, separating into 5 carpels, each with a long recurved awn 

 smooth on the inside. 



Peduncles one- flowered, . , . . , G. sanguineum. 



Peduncles two-flowered, 198 



198 Flowers large, 199 



198 Flowers small, 201 



199 Sepals mucronate, 200 



199 Sepals with a long awn, 203 



200 Petals notched, G. pyrenaicum. 



200 Petals entire, G. phceum. 



201 Leaves deeply cut, 204 



201 Leaves roundish, lobed, 202 



202 Glabrous, , , G. lucidum. 



202 Hairy, ..... 



203 Peduncles of fruit erect, 



203 Peduncles of fruit deflexed, 

 204 Capsule hairy, .... 

 204 Capsule glabrous, 205 



G. molle. 



G. sylvaticum. 



G. pratense. 



G. dissectum. 



