RUTACEJ2, AtfACAftDtACE.32. 43 



IMPA'TIENS, L. TOUCH-ME-NOT. JEWEL-WEED. 



1. I. fulva, Nutt. (SPOTTED TOUCH-ME-NOT.) Flowers 

 orange-coloured, spotted with reddish brown. Sac longer than 

 broad, conical, tapering into a long recurved spur. Cedar 

 swamps and along streams. 



2. I. pal'lida, Nutt. (PALE T.) Flowers pale yellow, spar- 

 ingly dotted with brown. Sac dilated, broader than long, 

 ending in a short spur. Wet places. 



ORDER XXIV. RUTA'CE^). (EuE FAMILY.) 

 Shrubs, with compound transparently-dotted leaves, and 

 an acrid taste. Flowers (with us) dioecious or polygamous, 

 appearing before the leaves. Stamens hypogynous, as 

 many as the petals. 



Synopsis of the Genera. 



1. Xanthox'ylum. Flowers dioecious. Ovaries separate, forming pods. 



Leaflets more than 3. 



2. Ptel'ea. Flowers polygamous. Fruit a samara, winged all round. 



Leaflets 3. 



1. XANTHOX'YLITM, L. PRICKLY ASH. 



X. America' num, Mill. (NORTHERN PRICKLY ASH. 

 TOOTHACHE TREE.) A prickly shrub, with yellowish-green 

 flowers in dense umbels in the axils. Sepals obsolete or 

 none. Petals 5. Stamens in the sterile flowers 5. Carpels 

 3-5, forming fleshy 1-^2-seeded pods. Fruit very pungent 

 and aromatic. Leaves pinnate, 4-5 pairs, with an odd one 

 at the end. Forming thickets in low grounds along streams. 



2. PTE'LEA, L. SHRUBBY TREFOIL. HOP-TREE. 

 P. trifolia'ta, L. A tall shrub with greenish-white 

 small polygamous flowers in compound terminal cymes. 

 Sepals 3-5. Stamens as many. Ovary 2-celled. Stigmas 2. 

 Fruit a 2-celled and 2-seeded samara, winged all round. 

 Leaves of 3 ovate pointed leaflets.- S. W. Ontario. 



ORDER XXV. ANACARDIA'CE^E. (CASHEW FAMILY.) 

 Trees or shrubs, with a milky or resinous juice , and 

 alternate leaves without dots or stipules. Sepals, petals and 



