100 THE SA2n) SIBAXD FLORX 



Cassinia fvlvida Hook. f. 



Erect shmb, about 1 m. high, mnch-branched : branches covered 

 with a yellowish, subviseid tomentum; leaves narrow, linear, spreadiag, 

 margins slightly curved, clothed with folvons tomentum; glutinous 

 above, llidxib obvious below. 



Eestricted to Xew Zealand, where it goes up to 1200 m. from sea 

 level. 



C. retorta A. Cunn. 



Shrub, 1 — 3 m. high, with slender branches, covered with gray 

 tomentum; small, erect, narrow-linear leaves, with recurved margins, 

 underneath covered vrith whitish appressed tomentum. 



On 2forth Cape, Xew Zealand. 



Cirsmm occidentale jS^utt. 



Biennial herb, stout, 4 — 10 dm. high, white with thick coating of 

 cottony wool: leaves pinnatiiid, not very prickly, glabrate above, canes- 

 cent beneath; flowers purple. 



Common on estabhshed dunes near San Prancisco, and follows the 

 coast southward in Ca lif ornia, extending inland among hills of coast 

 ranges. 



Corethrogyns oiovaia Benth. 



Perennial with decumbent stems, 3 — 6 dm. long; leaves 2 — 3 cm. 

 long, obovate, obtuse, toothed above middle, densely white-woolly; disk 

 flowers yellow, ray flowers violet blue. 



On sand dunes of California, from Pacific Grove northward. 



C. virgata Gray. 

 SufErutescent, erect, 2 — 10 dm. high, branched; herbage woolly; 

 leaves oblanceolate, serrate; disk flowers yellow, ray flowers violet blue. 

 Coast of California. 



C. viscidula Greene. 



Perennial, tall, slender ; stem and flowers at flowering time purplish, 

 glandular-scabrous; leaves narrowly-oblanceolate, acute, serrate, viscid- 

 glandular; disk flowers yellowish-brown; ray flowers violet blue. 



On sand dunes at llonterey Bay, California. 



Cotvla corotwpifolia L. 

 Small perennial glabrous herb, with succulent, clustered, creeping 

 stems, rooiine at the nodes; branches asc-endinsr, 10 — 20 cm. liigh: 



