62 cojirosnM:. 



extus medio sericeo-]in1)o«contil)iis intus i^-l.iljris. Fl. ^ : uiarginales liguli- 

 formes 1-seriatim siti, tuLo 1 mm. longo. limbo liguliformi oblanceolato l^ 

 cm. longo 4 mra. lato apice oljtuso .3-dentato extus glabro intus jninutissime 

 hirsuto. Fl. disci ^ : corolla tuLuloso-camjJanulata 3 mm. longa apice 5- 

 loljata, ]ol)is triangularibus J mm. longis. Acluenium maturum ignotum. 



Hal. Taitu : Cliakan, leg. U. IMoia, Jan. 1908. 



Near Chrysanthemum slnense 8abin. var. japonicum ^L^jxim.; l>ut differs 

 from it in tlie mucli narrower leaves. Also near Ch. morifolium 11a:\iat.; but 

 diifers from it in liaving more deej^ly l^^bate or laciniatc leaves. 



l. Chrysanthemum arisanense Kwata ].c. p. 38. 



3. Chrysanthemum indicum Lixx.; Hayata ].c. p. 38. 



Cotula Lixx. 

 Cotula anthemoides Lixx.; Hayata ].c. ]». 38. 



Jlf/t'loffi/iie Less. 

 {Centipeda Louu.) 

 Myriogyne minuta Lkss.; Hayata Gen. Ind. j». 40. 



Artemisla Lixx. 

 Key to species. 



1 . Heads lieterogamous, disc-flowers sterile 2. 



Heads lieterogamous ; all fertile 4. 



2. Heads very small l^ mm. in diameter 1. A. capillaris. 



Heads more tliau 2^-3 mm. in diameter 3. 



3. Heads nearly 4 mm. in diameter ; leaves mostly clustered at tlie base of 



tlie stem 2. A. oligocarpa. 



Heads nearly 3 mm. or 2^ mm. iii diameter. Leaves scattered along tlie 

 stem 3. A. 'nwrrisonensis. 



4. Leaves oblong not pinuatitid, ^vliitisli beneatli 4. A. anomala,. 



Leaves piunatifid .5. 



5. Leaves sillvy or cottony on tlie under side 6. 



Leaves neitlier sillcy nor cottony on the undcr ^side, nearly glabrous 8. 



6. Stem all leafy .j. A. vulgaris. 



