PI. ex. ceil. 47* CR ASSUL ACEfE. 318. Umbilicus* 5 39 
Damp rocks and walls ; perennial ; June. 
Roof creeping ; stem 1 8 inches high ; flowers yellow ; 
stamens exserted. 
II. 319. TILLiEA. Micheli. Red-shanks . 
Calyx 3-parted ; petals 3 to 5, awlshape, very small ; 
stamens 3 to 5 ; ovaries 3 ; camares 2-seeded, contracted in 
the middle. — Root fibrous; leaves perfoliate; flowers solitary. 
Tillcea muscosa. Mossy red-shanks. 
Stem procumbent ; flowers sessile. 
Tillaea muscosa annua perfoliata, fiore albo, Micheli Gen. 22. 
Tillaea muscosa, Lin. S. P. 186. 
Barren sandy heaths ; annual ; May and June. 
Stem generally red; leaves blunt, gibbous, bald, reddish; 
flowers 3, 4, or rarely 5-cut. 
III. 320. SEDUM. Pliny. Stone-crop. 
Calyx 5, rarely 4, 6, or 7-cut ; petals 4 to 7 ; stamens 8 
to 14; ovaries 4 to 7; scales ovate, blunt, not cut; camares 
4 to 7, many-seeded. 
a. Rhodiola. Root tuberous ; leaves flat ; flowers yellow , 
unisexual. 
1. Sedum dioicum. Dioicous stone-crop. 
Leaves wedgeshape, oblong, pointed, serrated towards 
the end ; flowers corymbose, capitate. 
Anacampseros radice rosarn spirante major, Raii Syn. 269, 2. 
Rhodia radix, Ger. em. 532; Park. 727. 
Rhodiola rosea, Lin. S. P. 1465. 
Sedum roseum, Scopoli Cam. 560. 
Sedum dioicum, Stokes Bot. Mat. Med. 548. 
Rose root. Rose wort. 
Fissure of alpine rocks; perennial; May and June. 
Root smells like rose-water ; stem simple ; leaves sessile ; 
cyme sessile, many-flowered. 
b. Telephium. Root tuberous j leaves flat ; flowers white , 
or purple. 
2. Sedum vulgare. Common stone-crop. 
Stem upright; leaves alternate, lanceolate, oblong, ser- 
rated ; corymvus leafy. 
