115 
PELARGONIUM tripartitum. 
Brittle-stalked Stoi^k's-bill. 
P. tripartitum, umbellis plurifloris, foliis ternatis car- 
nosis inciso-dentatis glaucescentibus : foliolis sub- 
sessilibus cuneiformibus ; intermedio tripartite elon- 
gate, tubo nectarifero sessili calyce triple longiori. 
Pelargonium tripartitum. JVillden. sp. pi. 3. p. 683. 
Pers. syn. 2. p. 233. Hort. Kew. ed. 2. vol. 4. p. 180. 
Pelargonium trifidum. Jacq. hort. Schoenh. 2. ». 5. 
t. 134. 
Pelargonium fragile. Willden. sp. pi. 3. p. 686. Pers. 
syn. 2. p. 233. Hort. Kew. ed. 2. v. 4. j». 181. 
Geranium fragile. Andrews s reposit. 37. 
Stem shrubby, branching ; branches flexuose, long 
and slender, very brittle and easily broken, thickly 
clothed with soft unequal hairs. Leaves glaucescent, 
V ternate, fleshy, thickly clothed on both sides with small 
pellucid hairs : leaflets nearly sessile, wedge-shaped, 
unequally cut and toothed ; middle one three-parted 
and longer than the side ones. Petioles unequal in 
length, a little flattened on the upper side and rounded 
on the lower. Stipules short, cordate, acute. Peduncles 
^ several-flowered, cylindrical, hairy. Involucre of 4 or 
5 ovate concave bractes, either entire or sometimes 
toothed at the point. Calyx 5-cleft, segments very un- 
equal ; sometimes toothed, strongly ribbed, upper one 
ovate, the others varying from lanceolate to subulate. 
Nectariferous 'tube sessile, flattened and diannelled on 
both sides, about three times as long as the calyx, 
thickly covered with short hairs. Petals 5, the 2 up- 
2 
