518 294. Libanotis. 45. UMBELLIFERyE. Pl.ex.caL 



Libanoti^montana. Mountain stone-parsley. 



Leaves h\p\m\3ite, bald; leaflets pinnatifid, flat; lobes 

 ovate^ pointed. 



Apium petraeum sen montanum album, Raii Syn. 218, 1. 

 Athamanta Libanotis, Lin. S. P. 351. 

 Athamanta Oreoselinum, Hudson Fl. Jngl, 115. 

 Libanotis Cretensis, GiErtner Fr. et Sent. 1, 84. 



High chalky pastures ; perennial ; August. 



Root fusiform, woody, acrid, bitterish ; stem 2 feet high, 

 very deeply furrowed, rather branchy, bald ; leaves paler 

 underneath ; umhells hemispherical ; teeth of the calyx very 

 long, lanceolate, serrate on the edge. 



XXX. 295. THYSSELINUM. Pliny. Milky-parsley, 

 hivolucrum and involucella many-leaved, reflected ijlowers 



all equal ; calyx 5-toothed ; petals nearly equal, reverse 

 heartshape, patulous; lacinule linear, channelled, blunt, 

 mcked', fruit ovate, roundish, rather compressed, crowned; 

 akenium ovate, compressed, margined, 5-ribbed ; endocarp 

 membranaceous, 6-vittated ; commissural vittce distant from 

 the margin ; spermapodium bristlelike, 2-cut. 



Thysselinum palustre. Marsh milky-parsley. 



Stem streaked ; leaves bipinnate or tripinnate, bald ; leaf- 

 lets opposite, pinnatifid; lobes linear, lanceolate; rays of 

 the umbells downy ; styles divaricating ; fridt ovate. 



Selinum palustre, Lin. S. P. 350, 

 SeVmnm sylvestre, Jacquin ^uslr. 

 Selinum Tysselinum, Crantz Austr. 170, 

 Peucedanum palustre, Mcench Metk. 82. 



Bogs ; perennial ; July. 



Root nearly simple ; stem single, 4 feet high, branchy at 

 top ; 'umhells flat ; fridt ovate, rather roundish, reddish 

 brown ; herb lactescent ; juice white, clammy, bitter, foetid. 



XXXI. 296. IMPERATORIA. Matthiolus. Masterwort. 

 Invohicrum 0; involucella few-leaved, bristlelike; calyx 0; 



petals elliptical, nicked, equal; lacinule long, acute, in- 

 flected ; fruit elliptical, compressed, crowned ; akenium el- 

 liptical, compressed, margined; margin winged, 2-cut at 

 the top and bottom, 3-ribbed ; ribs sharp, not winged ; 

 conwiissural vitta single, bowed, acute. — Umhells com- 

 pressed, flat. 



