hamamelacejE, halobage^ 79 



2. S. Tele'phium, L. (Live-for-bver.) Stems tall and 

 stout. Leaves oval, toothed. Flowers in compound cymes, 

 petals purple, Sepals, petals, and, carpels 5 each. Stamer 

 10. (Int. from Eu.J 



3. S. Khodi'ola, DC (Eosk-root.) Stems 5-10 inches 

 high. Flowers dicecious, greenish - yellow or purplish. 

 Stamens mostly 8, other parts in fours. — Eooky shores, Atl. 

 Prov. 



Order XXXV. HAMAMELA'CE^. (Witch-hazel F.) 



Tall shrubs, with alternate simple leaves, and deciduous 

 stipules. Flowers in clusters or heads, often monoecious. 

 Calyx 4-parted, adherent to the base of the ovary, the latter 

 of 2 united carpels. Fruit a 2-beaked, 2-ceUed, woody pod, 

 opening at the top. Petals 4, strap-shaped, inserted on the 

 calyx. Stamens 8, 4 of them anther-bearing, the remainder 

 reduced to scales. The only genus with us is 



HAMAME'HS, L. WrrCH-HAZEL. 

 H. Virglnia'na, L. Leaves obovate or oval, orenate or 

 wavy-toothed, pubescent. Flowers yellow, appearing late 

 in the autumn. — Damp woods, chiefly west of Toronto. 



Order XXXVI. HALORA'GE^. (Water-Milfoil F.) 



Aquatic or marsh plants, with small inconspicuous flowers, 

 sessile in the axils of the leaves or bracts. Calyx-tube ad- 

 herent to the ovary (but calyx and corolla wanting in Calli- 

 triche), the latter 2-4-celled (in Hippuris of a single carpel). 

 Limb of the calyx minute or nr,ne. Petals small or none. 

 Stamens 1-8. Fruit indehiscent, a single seed in each cell. 



Synopsis of tbe Genera. 



1. Myrlopbyl'lnm. Flowers monoecious or polygamous, with tbe parts 



in fours. Ctamens 4 or G. Immersed weaves pinnately dissected 

 into capillary divisions. 



2. Htppn'ris. Flowers perff . t. otamen, style, and carpel only one- 



Leaves entire^ linear, acute ; In whorls of 8 or 10. 



