250 LXXXVIII. COMPOSITAE. ^ [Asteroidea. 
78. Gutierrezia, Lag. Elench. Pl. Hort. Matr. Gen. et Sp. Nov. 30. (Brachyris, 
Nutt. Gen. Pl. N. Amer. ii. 163. Brachyachyris, Spreng. Syst. iii. 514.)— Capitula. 
heterogama, radiata, floribus radii 9 paucis (semper?) fertilibus, disci i fertilibus 
sterilibusve. Involucrum ovoideum v. anguste campanulatum, bracteis pauciseriatis 
imbricatis coriaceis, exterioribus gradatim minoribus. Receptaculum planum convexum 
v. subconicum, sspius foveolatum. ^ Oorolle 9 ligulatz, subintegre; regulares 
tubulose, limbo parum ampliato apice 5-fido. Anthers basi obtuss integre. Styli 
fl. $ rami angusti, complanati, appendicibus oblongo-lanceolatis v. elongato-linearibus 
hirtis. Achsnia parum compressa, obscure v. distincte co-costata. Pappi pales co, longi- 
uscule v. abbreviate, sspe fissze, nune fere ad coronam reductc, in radio sspe quam 
in disco breviores v. rarius obsoletzs.— Herbs suffruticesve | erecti, apice ramosi v. 
breves ceespitosique, glabri szepeque glutinosl, Capitula parvula, ad apices ramu- 
lorum solitaria v. panieulata v. ample confertimque corymbosa.  Corolle omnes flavcw. 
Styli papillze szepius usque ad. basin ramorum continusz. | Achzenia puberula v. sericeo- 
villosa. 
Species ad 20, Americz borealis, regionis Mexicans, v. Ameriete australis éxtratropiez incole. . 
DC. Prod. v. 653 et 312 (Brachyris). | Walp. Rep. ii. 685 (Brachyris) et 989 ; Ann. ii. 828 (Brachyris) 
et 870; v. 284. Philippi in Linnza, xxxiii. 137 (Brachyris) : 
Hewrcuymm, DC. Prod. v. 313, Walp. Ann. i. 407, est species genuina Gutierrezie. AwPnI- 
Acai, DC. Not. vii. Pl. Rar. Jard. Gen. 1, t. 1 (sect. Brachyris, DC. Prod. v. 313; gen. propr. 
Torr. et Gr. Fl. N. Amer. ii. 192; Brachyris ramosissima, Hook. Ie. Pl. t. 147) habitu G. spAero- 
cephale et, G. glutinose simillima, differt achzeniis disci abortivis. AwrmrPAPPUS, Torr. et Gray in 
Jost. Journ. Nat. Hist. v. 4, et Pl. Fremont. in. Smiths. Contrib. vi. 16, t. 9, Walp. Ann. i. 407 ; 
v. 191, ab Amphiachyri non differt.nisi achzeniis disci non omnibus sterilibus et pappi paleis angustis 
elongatis tortuosis, exterioribus nonnullis fere ad setas reductis, plerisque tamen (in speciminibus 
examinatis) plus minus paleaceo-complanatis. G. gymnospermoides, A. Gr. speciesque affines 
ligulis numerosis et pappo coroniformi ad Xanthocomam transferendze videntur. 
OpoxrocanPHa, DC. Prod. v. T1, est ex Remy in C. Gay, Fl. Chil. iv. 33, £. 44 (qui speeimen. 
typieum examinayit) idem genus ae Zrachyris (Gutierrezia), toribus radii ab auctore preetermiss: 
Styli ramorum appendices elongatze facile eum ramis subulatis Vernoni fund 
um untur. 
is. 
i 
* 
79. Grindelia, Willd. in Ges. Nat. Fr. Berl. Mag. 1807, 259. "(Donia, R. Br. in 
Ait. Hort. Kew. ed. 2, v. 82.  Demetria, Lag. Elench. Pl. Hort. Matr. Gen. et Sp. Noi. 
30.)—Capitula heterogama, radiata, corollis radii 9 1-seriatis ferüilibus, disci  fer- 
tilibus v. sterilibus, v. rarius capitula radio deficiente homogama. Involucrum hemi- 
sphzericum, bracteis oo-seriatis imbricatis coriaceis appressis v. apice breviter herbaceis 
squarrosisque, exterioribus gradatim brevioribus. Receptaculum planum v. convexum, 
foveolatum. Corolke $9 ligulate, patentes, integre v. 2-3-dentatw? ; O regulares, 
 Yubulose, limbo vix v. parum ampliato, 5-dentato. Anther:z basi obtuse integre. 
Styli fl. rami anguste complanati, appendicibus linearibus lanceolatis v. rarius 
abbreviatis. Ach:nia crassiuscula, plus minus compressa v. radii triquetra, obtuse 
4-b-costata. Pappiaristz paucze (2-8), rigide v. subcornese, caducee.— Herbs» perennes v. 
basi frutescentes, glabree v. rarius villoss, apice swepe glutinosc. Folia alterna, sessilia 
v. semiamplexicaulia, sepius rigide dentata v. ciliato-serrata, Capitula majuscula v. 
mediocria, ad apices ramorum solitaria. Corollz omnes flavz. —Achsenia &xpius glabra. 
Species ad 20, Amerieze borealis imprimis occidentalis, e& Americze australis extratropice incole, 
plurimz inter se adhue valde confuss et forsan reducendw. DC. Prod. v. 314; vii. 278. Walp. 
Hep. ii. 585, 958 ; 4nn. ii. 829 ; v. 1901. Dun. in Mem. Mus; Par. v. t 9 (err. typ. 19) 6, 7 (in textu 
1,2, x Cav. c.t. 168 (Aster). Bot. Mag. t. 1706 (Donia), 3137,4628. Bot. Itrg. t. 187 (Donia), 
948, 781; xb. ; 
AvRELIA, Cass. Dict. xxxvii. 468, ab auctore generico distinguitur a Gríndelia (G. inuloide, Dun.) 
pappi aristis validioribus sepe ciliolatis. Est tamen species typica Willdenowii, Brownii, et 
Lagasce (G. glutinosa, Dun.), planta hortensis e Peruvia australi noe 6 Mexico allata; Grindelie 
estere Dunalian nequaquam ab illa generice separandze sünt. 
ÜRRYSOPHTHALMUM, Philippi in Linnea, xxix. 9, non Sch. Bip.. ex auetore ipso in Linnza, xxxiii. 
137, ad Grindelian: referendum est. 
