52 SÉANCE DU 2!) JANVIER 1918. 
Involucri phylla 7 mm. longa, caulis basi hirsutissimus. — 
Washington, ad Mason City (Sandberg!)• 
Hieracium candelabrum Gdgr. 
4 * ^ Involucri phylla 10 mm. longa, caulis^basi glaber. — Wyoming, 
ad Centennial Valley ( Nelson n. 1 678!). 
Hieracium Nelsom Gdgr. 
Folia superiora pinnata vel incisa, rami patuli pauciflori, phylla 
intima involucri 8 mm. longa. — America bor., lexas ( ] n ~ 
dheimer an. 1849-511). Mulgedium Lindheimeri Gdgr. i 
Folia sup. pinnata, rami adscendentes multillori, phylla intima 
1 ( involucri 11 mm. longa. — Amer, bor., Kansas ad Ulle J 
(Norton n. 315!).. Mulgedium polyanthum Gdgr.. 
Folia sup. integerrima, rami uniflori, phylla intima 9,o mm. 
longa. - America bor., Illinois ad West Pullman (Lansmg 
n e68! ). Mulgedium centrale Gdgr. i 
Très præcedentes, quoad habitum, etc., sat dissimiles, prope il/, flori- 
danum DC. sunt collocandæ. 
Microderis nevadensis Gdgr. — Biennis prorsus papilloso-canescens 
ad collum araneosa, folia nervosa primatifida fidis lanceolatis valde 
ciliatis, pedunculi puberuli tubo incrassati, achema apice tantum hirtella 
paleis profunde bifidis. r . 
Hab. : California, Nevada ad Reno ( Doten! Kennedy ! Heizer .). 
A ». linariifolia Sch. bip. (Suksdorf n. 5 583!), etc., differt indumento, 
foliis magis sectis. . 
Microderis Forsteri Hook. f. in Oceania multum vanat; e sequentibus 
conjice : 
( Folia incisa vel subpinnatifida. 
1 ' ( Folia integerrima.. 
^ Folia lanceolata.. 
S Scapus glaber, phylla intima involucri ligulis subbreviora. | 
Tasmania, Little Plains (Simson n. 527!). 
Microderis obtusifolia Gdgr. 
Scapus pulverulentus, phylla intima involucri ligulis triplo bre- 
viora. — Tasmania, ad Sandy Bay (Spicer n. 94! ex parte). 
Microderis tenuicula Gdgr 
/ Calyculus purpureus, folia lata undulata, scapus glaber. Aus- 
tralia, N. S. Wales ad Tia Falls (Forsyth!). _ 
^ Microderis latifolia Gdgr 
\ Calyculus viridis, folia angusta plana, scapus fere toto pulveru- 
/ lentus. — Tasmania, ad Kanguroo Point (Spicer n. 94 p. p. !) 
Microderis tasmanica Gdgr 
Î Folia lanceolata nervosa 2/3 sup. scapi glabri æquantia, capi¬ 
tula late cylindrico-ovata. — Australia, Victoria ad Sandri- 
gham {Walter!) . Microderis Walteri Gdgr 
Folia obtusa vix nervosa 1/3 inf. scapi pulverulenti æquantia, 
cap. anguste cylindrico-tubulosa. — Nova Zelandia ad Dune- 
din {Thomson!) . Microderis neozelandica Gdgr 
