lishing a graduated series of structure between the most 

 liighly developed forms of Rosacese, and such imperfect 

 forms as we finil in Sanguisorbeaj. 



A hardy perennial, flowering from June to August, and 

 propagating readily by means of seeds, or by division of 

 the roots. 



The other species above alluded to are the following: — 



H. cuneata ; villoso-pubescens, foliis radicalibus pinnatis 10-i2-jugis laciniis 

 subrotundo-cuneatis iiicisis, paniculis corymbosis capitatis, sepalis integer- 



rimis, bracteis tripartitis capitulis villosis brevioribus. Varies in size 



from a span to a foot or more in lieigbt. California, Douglas. 



H. hirsuta; basi hirsutissima apice glandulosa, foliis radicalibus pinnatis 7-8- 

 jugis, laciniis angustis cuneatis incisis, paniculis corymbosis capitatis multi- 

 floris glandulosis calvis, sepalis integerrimis, bracteis brevissimis 3-5-partitis. 



A very striking I species, covered with long, loose, coarse hair near the 



base, but hairless and simply protected by minute glands towards the flowers. 



The corymbs are more flat and compact than in the others. California, 



Douglas. 



H. capitata ; caule basi glabriusculo apice glanduloso-pubescente, foliis radica- 

 libus pinnatis 5-6-jugis laciniis inferioribus subrotundis incisis basi cuneatis, 



capitulis solitariis bractea pinnatifida brevioribus, sepalis integerrimis. 



California, Douglas. 



