18 . PITTONIA. 



many series, tlieir appressecl tips green and glutinous : rays 

 numerous, of a deep saffron-red : aclienes 15-nerved ; pappus 

 of long and stiff not very copious unequal light-colored 

 bristles. 



On the largest of the Coronado Islands off* the coast of 

 Lower California, 3 June, 1889, collected by Lieutenant 

 Charles F. Pond. A fine new species of Aplopappus proper, 

 wOiicli, with its rich red rays, is less unsightly than its allies 

 A. squarrosus and A. Berheridis of the adjacent mainland 

 coasts. 



Grindelia HENDEPiSONi. Short woody caudex, bearing 

 short and stout divaricate branches ; flowering stems erect, a 



foot high, sparsely hirsute : leaves (on sterile basal branch- 

 lets) G or 8 inches long ; blade oblanceolate, closely dentate 

 or serrate, tapering to a winged petiole of its own length : 

 heads large, the involucral bracts squarrose and very gluti- 

 nous : achenes neither angled nor striate, the terminal border 

 low and entire ; awns of the pappus 2 or 3, flattened and 

 corneous, barbellate along the edges. 



Dry rocky banks of Lummi Island, southern shore of the 

 Gulf of Georgia, 5 July, 1888, Prof. L. F. Henderson (No. 

 1676). A very distinct species, with the suffrutescent habit 

 of our Californian seashore plant, G, cuncifolia ; pubescence 

 more like that of G. hirsutula, the achenes and pappus 

 peculiar. 



Petasites nivalis. Rootstocks slender, matted, scarcely 

 subterranean : leaves 6 to 10 inches high ; lamina 3 to 6 

 inches long, of round-reniform or broadly cordate-ovate out- 

 line, 5-parted, the sinuses oblong and closed, the segments 

 of broadly cuneate-obovate circumscription, deeply 3- to 5- 

 lobed, the lobes with a few coarse angular mucronate 6X)read- 

 ing teeth ; lower face of leaves silky-tomentose, upper glabrous, 

 deep green : scape about a foot high ; heads a dozen or more, 

 racemosely arranged and long-peduncled. 



Abundant and forming a den?e growth along streamlets fed 



