( 2073 ) 



Seseli dichotomum. Dichotomous M eadow- 



Saxifrage. 



Class and Order. 



Pentandria Monogynia. 



Generic Character. 



Corolla; uniformes. Involucr. obsoletum. Involucella po- 

 lyphylla s. mulfcifida. Pructus ovatus, striatus. 



Specific Character and Synonyms. 



Seseli dichotomum ; caule stricto geniculate), foliolis lineari- 

 bus fasciculatis umbellis axillaribus subsessilibus, basi 

 confluentibus, involucellis connato-monophyllis. 



Seseli dichotomum ; foliolis linearibus confertis basi con- 

 fluentibus, vaginis truncatis, involucellis connato-mono- 

 phyllis, ramis ramulisque suboppositis caule altioribus. 

 Marshall a Bieb. Fl. Taurico-Cauc. 1. p. 235. 



Seseli dichotomum. Pall. Ind. laur. 



Descr. Stem erect, fistulous, jointed. Leaves, radical 

 and lower cauline, about three inches long, decompound : 

 leaflets linear, collected in verticillate bundles, confluent at 

 the base : petioles completely embracing the stem : upper 

 ones bearing only a bundle of leaflets at the extremity, which 

 serves as a sort of general involucre. Umbels axillary, subses- 

 sile, or on very short footstalks : rays 4 — 6 : of unequal lengths : 

 partial u?nbcls globose, compact : involucels many -cleft, fleshy, 

 acuminate, confluent at the base. Floscules white, uniform. 

 Petals persistent, concave, terminated in a subulate, involute 

 acumen : stamens exserted : anthers globular : seeds striate, 

 inclosed in the calyx, and crowned with the persistent revo- 

 lute stigmas. 



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