022 SAXIFRAGACE.E. 



Order CUCURBITACEiE. 



Tlie common Gourd or Calabash (Lagkvaria vulgaris, Scringe.), origi- 

 nally from the tropics, is gi-neraliy diffused over the Southern States, in 

 waste places and around dwellings. 



Order CRASSULACE^. 



SEDUM, L. 



S. pusillum, Michx. " I'ale glaucous; leaves alternate, nearly terete, 

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

 cari)els oblong, abruptly pointed by the short style."— Flat Kock, South 

 Carolina {Mic/tnux). Stone ^Mountain, Georgia ( G'(«_y). — Stem l'-3' high. 

 Leaves 2" - o' long. 



S. Rhodiola, DC. Stem simple, erect, very leafy (C high) ; leaves 

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

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

 Carolina (Canhy), and northward. 



TILLJEA, L. 



Sepals, petals, stamens, and carpels 3 or 4 ; the carpels mostly with a mi- 

 nute scale at the bnse, 2 -many-seeded. — Small annuals, with opposite 

 leaves, and minute axillary flowers. 



T. simplex, Nutt. Stems mostly simple (2'-o' high), ascending, rooting 

 near the base ; leaves connate, broadly linear, spreading ; flowers nearly ses- 

 sile ; petals and 8-10-seeded capsule twice as long as the sepals. — Wet 

 places, Mobile (Afolir), and northward. 



T. Drummondi, Torr. & Gray. Stems tufted, dichotomous (!' high) ; 

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

 carpels obtuse, 12- 20-seeded. — East Feliciana, Louisiana {Carpenter). 



Order SAXIFRAGACEyE. 



HEUCHERA, L. 



H. Rugelii, Shuttlw. Glandular-hirsute, and somewhat viscid ; scape 

 slender (8'- 15' high), often leafy; panicle small (2'- 5' long), the slender 

 pedicels nodding ; flowers small ; petals lincar-spatulate, twice as long as 

 the calyx-lobes; filaments exserted ; leaves tliin, obicular-cordate (3' -6' 

 troad), shortly and broadly 7-9-lobed, with rounded mucronate teeth, 

 pubescent on the nerves beneath : petioles filiform. — Shaded rocks on the 

 mountains of Alabama and North Carolina (Mohr, Rnrjel). 



