OKPLNE FAMILY. 171 



* Petals united by their edges below, and bearing the stamens. 

 +- Calyx 5-cleft or 5-parted ; pistils 5. 



5. ROCHEA. Corolla salver-forin, longer than the calyx. Stamens 5. 



6. COTYLEDON. Corolla urn-shaped, bell-shaped, or cylindrical, sometimes 5-angled. 



Stamens 10. 



4- +- Calyx and corolla both 4-lobed at summit ; pistils 4. 



7. BEYOPHYLLUM. Calyx inflated, shortly 4-toothed, the lobes of the corolla at length 



projecting and spreading. Stamens 8, projecting on slender filaments. Leaves 

 opposite, petioled, simple or odd-pinnate, crenate. 



1. PENTHORUM, DITCH STONECROP. (Name from Greek, 

 alluding to the parts of the flower being in fives.) % 



P. sedoldes, Linn. Wet places, especially by roadsides ; a homely 

 weed, about 1 high, with alternate lanceolate and serrate leaves, and 

 yellowish-green inconspicuous flowers loosely spiked on the upper side of 

 the branches of an open cyme, all summer and autumn. 



2. SEMPERVIVUM, HOUSELEEK. (Latin for live-forever.) ^ 



S. tectorum, Linn. COMMON HOUSELEEK, HEN-AND-CHICKENS, ADAM- 

 AND-EVE, OLD- MAN-AND- WOMAN. Propagating abundantly by offsets on 

 short and thick runners ; leaves of the dense clusters oval or obovate, 

 smooth except the margins, mucronate ; those on the flowering stems 

 scattered, oblong, clammy-pubescent, as well as the clustered purplish or 

 greenish flowers ; sepals, petals, and pods mostly 12. Cult, in country 

 gardens, and used for carpet bedding ; rarely flowering, in summer. The 

 common country names refer to the companionship of the plants due to 

 their method of propagation. (Lessons, Figs. 91, 191.) 



3. SEDUM, STONECROP, ORPINE. (From Latin sedeo, sit, i.e. 

 upon rocks, walls, etc.) The following are all smooth perennials, and 

 hardy N., except the first species. Many others are cult., but are not 

 common. 



1. Leaves flat and broad, oblong, obovate, or rounded. 

 * The lower ones, at least, whorled in threes. 



S. Siebbldii, Sweet. SIEBOLD'S S. Cult, from Japan, mostly in pots ; 

 with slender and weak or spreading stems, glaucous and mostly reddish- 

 tinged, round, and often concave leaves (!' or less long), with a wedge- 

 shaped base, and wavy-toothed margin, all in whorls up to the cyme of 

 rosy-purple flowers, which all have their parts in fives. 



S. tern^tum, Michx. THREE-LEAVED S. Wild in rocky woods from 

 N. Y., S. and W., and in gardens; with spreading stems creeping at 

 base and rising 3'-6' when they blossom ; the lower leaves wedge-obovate 

 and whorled; the upper oblong and mostly scattered, about 4' long; 

 flowers white, the first or central one with parts generally in fives, the 

 others sessile along the upper side of the usually 3 spreading branches 

 and mostly with their parts in fours ; in late spring. 



* * All or most of the leaves alternate ; flowers in a corymb-like, terminal 

 cyme, purple or purplish, in summer; all with their parts in fives. 



3. Telephium, Linn. GARDEN ORPINE or LIVE-FOREVER. Cult, from 

 Eu, in old country gardens ; erect, about 2 high, with oval and mostly 

 wavy-toothed, pale, and thick leaves ; small and dull-colored flowers in a 

 compound cyme, and short-pointed pods. Becoming a weed E. 



