Description of Plates 



Plate IV. 



1, 2. Normal elaters of Conocephalus conicus; length .225 mm. and 

 .200 mm. 



3. Elater showing rlichotomous branching; length .200 mm. 



4. Elater with two well developed branches, the spiral bands of which 

 are connected by a single fibre (A) which extend? from one to the other 

 but not through the body of the cell; length .210 mm. 



5. Elater giving example of the branching of each of the two original 

 fibers and a second branching of one of them (a), (B)and(c); length .150mm. 



6. Shows the spiral bands of two branches separate from each 

 other; length .200 mm. 



7. Normal elater; length .150 mm. 



8. Shows an example of a spiral band branching into four strands fA); 

 length .077 mm. 



9. Shows elater with two branches at each end; length .187 mm. 



10. 11 and 12. Peculiar manner of branching and arrangement of bands; 

 length .162 mm., .112 mm., .170 mm, 



13. Shows how branching of elater causes branching of spiral thread; 

 length .150 mm. 



14. Elater in which two threads fuse (A) and then branch again into 

 three divisions, two of which (bi again fuse; length .090 mm. 



15. Elater possessing same peculiarity (bb) as in fig. 4; length 225 mm. 



Plate V. 



I,2and3. Types of branching of elaters and bands; length .125 mm., 

 .135 mm. and .110 mm. 

 4. 5. Two views of the same elater; length .127 mm. 



6. Common example of the manner in which the spiral bands are 

 distributed in the branches of the elater; length .150 mm. 



7. Another form resembling lig. 4, plate iv; length .150 mm. 



8. 9. Young elaters containing starch;length .110 mm. and .112 mm. 



10. Elater having a length of .217 mm. 



11. Young elater containing starch; length .112 mm. 



12. 13 and 14 .Peculiar forms of branching and arrangement of bands; 

 length .110 mm. and .012 mm. and .130 mm. 



15. Unusual form; length .207 mm. 



Plate VI 



iadumvia scanosa (Linn.) Hill, var corymbuZosci Sheld. 



1. Corm and basal leaf. 



2. Portion of stem. 



3. Inflorescence. 



4. Hairs from axis of inflorescence. 



5. Involucral scale, 



6. Fruit with pappus and corolla. 



