PLANTE FENDLERIANE. ~ 85 
nbn aa a tte <i MLM, EZ 5. z2g 
397. Corropsis teverortx;—7Vatt. East of Mora River, in low places; Aug. 
(441) ; and (442) between Coon Creek and Pawnee Fork, in shallow hollows in the 
summis alternis, petiolo immarginato basi auriculato ; involucri cano-villosi squamis zequilongis; ligulis 8 — 10 
brevibus ; acheniis glabris marginibus superne ciliolatis apice emarginata aristellis 1 vel 2 minimis donatis vel 
abortu vix bidentatis! — Bishop’s Hill, near Monterey, Dr. Gregg; flowering in February. — The speci- 
mens, probably depauperate, are only a span high. The awns at most are not longer than half the breadth of 
the achenium, or the proper tube of the corolla; one of them is almost always abortive, and often both are 
reduced to a mere vestige. This species, therefore, invalidates the character of the genus Barrattia, Gray ¢ 
Engelm., which well accords with Simsia in habit ; and which, although the absence of pappus would refer it 
to a different Candollean division of Helianthez, I fear cannot be maintained as a separate genus, after the 
discovery of the present species. At most, it differs from Simsia only as Coreopsis involucrata does from 
C. aristosa, and Actinomeris (Achzta) pauciflora from genuine Actinomeris.—The genus Gerea, Torr. & 
Gray (Proceed. Amer. Acad. 1. p. 48), must also be reduced to a section of Simsia. 
S. (Ger#a; achenia, et ariste palewoliformes inferne, villosissima) caNEscENS: caule basi foliato simplici 
superne longe nudo 1 —3-cephalo; foliis incano-hirsutissimis alternis yel imis subrosulatis obovatis rhombeisve 
sepius integerrimis basi trinervatis subsessilibus, summis ad bracteas parvas reductis, involucri triserialis 
squamis villosissimis ; ligulis maximis cuneato-obovatis apice subtrilobis tubo piloso gracili discum e«quante 
stipitatis ; acheniis oblongo-cuneiformibus pilis argenteis preesertim ad margines longissimis villosissimis ; aris- 
tis lineari-subulatis corollam subaequantibus. — Interior of California, Fremont, Coulter. 
From Texas Mr. Wright sends an Actinomeris with nearly awnless achenia, but which has not decurrent 
leaves as in Nuttall’s A. (Achzta) pauciflora, and connects that anomalous species with the section Apteron. 
Actinomerts Wricuttt (sp. nov.): caulibus gracilibus undique foliosis apice subcorymbosis ; ramis pau- 
cis superne nudiusculis monocephalis ; foliis oppositis summisve alternis ovatis grosse serratis triplinerviis 
crassis utrinque scaberrimis basi cuneatis vel abrupte angustatis sessilibus haud decurrentibus plerisque inter- 
nodiis duplo longioribus ; involucri hemispherici squamis ovalibus obtusissimis 3—4-seriatim imbricatis disco 
fructifero convexo brevioribus; receptaculo convexo; ligulis 9-12 elongatis; acheniis oblongis lato-alatis 
apice emarginato nudis, aristis rudimentariis dentiformibus ale adnatis.— Mountains near Austin, Texas; 
Sept. Mr. Wright.— Stems many from the same root, two or three feet high. Leaves from 2 to 4 inches 
long ; those of the short flowering branches small, obtuse and alternate. Heads larger than in A. helianthoi- 
des. Rays golden-yellow, an inch long. Achenia 4 lines in length. 
Among the novelties gathered in the mountains about Cosiquiriachi by Dr. Wislizenus, a striking Helian- 
thoid plant occurs, which I refer to Tithonia, viz. : — 
TiTHONIA DECURRENS (sp. nov.) : pube molli subdecidua undique cano-villosa ; caule robusto ad apicem 
usque foliosissimo ; foliis ovato-lanceolatis acutis subintegerrimis penninerviis basi decurrentibus supra 
demum glabratis scabris ; pedunculo cylindrico capitulo subgloboso breviore ; involucri biserialis met 
ovato-oblongis appressis apice brevi foliaceo patentibus discum vix equantibus ; paleis recepinnes aaa 
rigidis apice truncato bimucronatis ; acheniis disci sericeis 2-aristatis ; aristis subulatis apentae crassis 
persistentibus. — On the Bufa ; common on the mountains around Cosiquiriachi, in the State of Chibpalpats 
Dr. Wislizenus; Oct., in fruit. — Herb 2 or 3 feet high, stout. Leaves 4 to 8 inches long, sessile and 
strongly decurrent, not triplinerved, but the primary veins confluent into an intramarginal vein, hoary banaee 
with a villous, above with a short and soft, pubescence, which is readily detached by rubbing. Heads termi- 
