138 DICOTYLEDONOUS PLANTS. 



HAB. Rocky hills. Can. to Geor. W. to Miss. April, Mar. 

 U. Stem 412 inches high. Radicle lestrcs rather spathulate. 

 Flowers crowded near the extremities of the branches, white. 



Early Saxifrage. 



2. S. pennsylvanica Linn. : pubescent ; stem naked ; leaves oblong- 

 lanceolate, acute at each extremity, obsoletely denticulate ; panicle 

 oblong ; flowers fasciculate ; petals linear, longer than the calyx ; cap- 

 sule superior. 



HAB. Wet grounds. N. S. May, June. U.Stcm 12 some- 

 times 34 feet high. Petals yellowish-green. Much larger 

 than the preceding. Root very astringent. Large Saxifrage. 



3. CHRYSOSPLENIUM. Linn. 



Calyx 4 5-cleft, coloured. Carol none. Stamtns S 10. 

 Styles 2. Capsule with two beaks, 2-valved, at length 1-cell- 

 ed, many-seeded. Decandria. Digynia. 



C. oppositifolium Linn. : leaves opposite, roundish, narrowed into a 

 petiole, slightly crenate. 



HAB. Springs and brooks. Can. to Car. April, May. If. 

 Plant succulent, creeping, with small sessile flowers. Stamens 

 usually 8. Golden Saxifrage. 



4. MITELLA. Linn. 



Calyx campanulate, 5-cleft. Petals 5, inserted into the 

 calyx, iaciniate or toothed. Stamens 10. Styles 2, united. 

 Stigmas scarce!/ distinct. Capsule l-celled,2 valved ; valves 

 equal. Decandria. Digynia. 



1. M. diphyUa Linn.: radicle leaves cordate-lobed, toothed and cili- 



ate ; cauline ones 2, opposite, smaller ; flowers in a terminal raceme .- 



petal* toothed-pinnatifid ; calyx and capsule at length membranaceous. 



HAB. On wet rocks, &c. N. S. May. H- Stem 8 10 inches 



high. Flowers small, white, in a long terminal spike. 



SanicU. 



2. Jf. cordtfolia Linn. : radicle leaves cordate, sub-3-lobed, doubly 

 creaate ; scape naked or with a single leaf, scaly at base ; petals fim- 

 briate-pinnatifid. M. nuda Willd. M. reniformis Lam. Pursh. 



HAB. Moist rocks. Can. and N. S. June. K..Stem 68 

 inches high, sometimes prostrate with creeping suckers. 



5. TIARELLA. Lin*. . 



Calyx 5-parted, persistent, with the lobes obtuse. Petals 

 5, inserted into the calyx, unguiculate, entire. Stamens 10. 

 Styles 2, distinct. Capsule 1-celled, 2-valved ; valves une- 

 qual. Decandria. Digynia. 



