150 CRASSULACE^E. (ORPINE FAMILY.) 



3. S. pulchellum, Michx. Stems ascending (4' -12' long) ; leaves very 

 numerous, alternate, linear, obtuse ; cyme composed of several recurved or 

 spreading branches ; flowers pale purple ; sepals much shorter than the petals ; 

 stamens 8, those of the central flowers mostly 10; carpels tapering into the 

 long and slender style. With the preceding. May -June. 



4. S. Nevii, Gray. Stems low (3' -5'), ascending; leaves alternate, scat- 

 tered, liuear-clavate, obtuse ; flowers sessile, scattered along the widely 

 spreading or recurved branches of the simple cyme ; bracts linear, longer 

 than the flowers ; sepals linear-lanceolate, acutish, as long as the lanceolate 

 white petals ; stamens 8, shorter than the petals ; anthers purplish brown ; 

 carpels tapering into the short subulate style. Rocky cliffs at Tuscaloosa, 

 Alabama (Rev. R. D. Nevius). April -May. 



5. S- pusillum, Michx. " Pale glaucous ; leaves alternate, nearly terete, 

 oblong ; flowers tetramerous, in a loose terminal cyme, white ; stamens 8 ; 

 carpels oblong, abruptly pointed by the short style." Flat Rock, South 

 Carolina (Michaux). Stone Mountain, Georgia (Gray). Stem l'-3' high. 

 Leaves 2" - 3" long. 



6. S. Bhodiola, DC. Stem simple, erect, very leafy (6' high); leaves 

 alternate, lanceolate, serrate ; flowers dioecious, greenish yellow, crowded in 

 a small nearly sessile corymbose cyme; stamens 8. Mountains of North 

 Carolina (Canby). 



2. TILL.ffiA, L. 



Sepals, petals, stamens, and carpels 3 or 4 ; the carpels mostlv with a 

 minute scale at the base, 2 - many -seeded. Small annuals, with opposite 

 leaves, and minute axillary flowers. 



1. T. simplex, Nutt. Stems mostly simple (2' -3' high), ascending, 

 rooting near the base; leaves connate, broadly linear, spreading; flowers 

 nearly sessile ; petals and 8 - 10-seeded capsule twice as long as the sepals. 

 Wet places, Mobile (Mofir). 



2. T. Drummondi, Torr. & Gray. Stems tufted, dichotomous (T high) ; 

 leaves oblong-linear, somewhat connate ; flowers pedicelled ; petals reddish ; 

 carpels obtuse, 12-20-seeded. East Feliciaua, Louisiana (Carpenter). 



3. BRYOPHYLLUM, Salisb. 



Calyx oblong, inflated, 4-cleft. Corolla monopetalous, 4-lobed. Stamens 

 8. Glands 4, oblong. Carpels many-seeded. A frutescent fleshy plant, with 

 usually pinnately divided opposite leaves, which freely strike root from buds 

 in their serratures. Flowers reddish, paniculate. 



1. B. calycinum, Salisb. Leaflets large, ovate, crenate ; panicle cymose. 

 Waste ground, escaped from cultivation. 



4. DIAMORPHA, Nutt. 



Sepals 4, very short. Petals 4, oval, concave. Stamens 8. Carpels 4, 

 united below the middle, at length spreading, 4- 8-seeded, opening externally. 



