210 ——— 
Subgen. 1. Matricarioides. 
Rhachis nuda, conica. Capitula homogama, solitaria. 
1. Arızmisıa matricarioides* (Tanacetum pauciflorum 
Richards. in Br. verm. Schrft. I. p. 505). 
Cel. de Chamisso in Unalaschea et Redowski in Kamt- 
schatca. 
Planta toia glaberrima, facie Cofulae nüreae vel Fa: 
naceti sibiriei, Radix. fbrosa, verisimiliter annua. Cau- 
lis ereetus s. adscendens, ubigue aequaliter foliatus, nisi 
folia inferiora jam delapsa sunt, flexuosus, inanis, striatus, 
ramosus, ramis alternis, 3-pollicaris — pedalis et ultra. To- 
lia vaga,adproximata, 'bi. s.: Iripinnatisecta, ‘oboyala, basi 
dilatata et subeordata sessilia (fere Umbelliferarum more), 
segmentis linearibus acnminatis, vix ultra 4# Jatis. Üa 
pitula solilaria, ferminalia, quam in Cozula aureu majora, 
homögama,.oo-flora. Invölucruin pauci-seriale, rhachide 
nuda demum conica brevius, foliolis obsusissimis ellipti- 
cis, subaequalibus, lineam circiter longis, planis, margine 
late seariosis et albis, (caeterum pallide viridibus. Corol- 
lae luteae, 4-dentatae, glabrae, 4-gono-cylindraceae. 
Subgen. 2%. Tanacetoides. 
Rhachis nuda! " Capitula homogama, corymboso-panl- 
elatas 3.2.20. = ur 
'2, Arms tanacetoides* (Cotula tanacetifolia W. 
sp. pl: IL .p.- 2168 (excl, omnibus synonymis).: Bj; hrb. 
n. 16296. Tanacetum multiflorum Thbrg. fl. cap. P- 648! 
Tanacetum suffruticosum Berg: ‘obs. 1. p. 242). . 
Cel. de Chamisso relulit e Promentorio. bonae-spe- 
: Differt a Tenaceto: suffruticoso LU. -foliorum: sessiltüm 
segmentis linearibus, acuminalis, infimis cauli adproximd 
tis; involueris globosis conniventibus floresque fere (ea 
ehingue) superanlibus nec. campanulalis :iisque hrevi®® 
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