THE PARSLEY FAMILY. 203 



XXXII. THE PARSLEY FAMILY. 

 UMBELLIFER^E. 



MATERIAL REQUIRED. 



Harbinger-of-spring, Erigenia bulbosa, Nutt., in flower. 



Later in the season, representatives of other genera, such as Osmor- 



rhiza, Heracleura, Pastinaca, Thaspium, Daucus, Cicuta. 

 Fruits of fennel, Fceniculum vulgare, Gsertn., dill, Anethum graveolens, L., 



and coriander, Coriandrum satiuum, L. (to be procured at the 



drug store). 



HARBINGER-OF-SPRING. Erigenia bulbosa, Nutt. 

 Distribution and General Characters. 



I. Record what you have noticed as to the habitat of 

 this species. Does it appear to be indigenous or intro- 

 duced ? 



II. With perfect specimens at hand, study the general 

 features of the plant, noting particularly 



1. The underground stem. Describe its form and struct- 



ure. As a modified stem how is it to be classi- 

 fied? 1 



2. The habit of the plant as regards size, branching, 



arid any other feature that appears to be charac- 

 teristic. 



3. Leaves. Compare a number of proper foliage leaves 



and describe one that you regard as typical. Notice 



a. The expanded, sheathing petiole. 



b. The extent to which the leaf is compound. 



1 Cf, Gray, Lessons, p. 42 et seq. 



