308 LXXXVHI. COMPOSITZE. [Helianthoidec. 
bracteis pauciseriatis, exterioribus appressis herbaceis villosis, interioribus apice tenuibus 
v. late membranaceis. Receptaculum convexum, paleis complicatis striatis rigidis flores 
disci involventibus onustum.  Corolle radii ligulatse, patentes, integre v. minute den- 
tate; P regulares, tubo villoso, limbo anguste campanulato b-fido. Antherze basi integre. 
Styli fl. rami appendicibus acutis hirtis terminati. Achznia oblonga, a latere com- 
pressa v. 4-gona, exalata, apice obtusa v. truncata, calva v. interdum squamulis 5 minu- 
tis glanduliformibus coronata.—Frutices v. herb: elatze, rudes, scabro-villoss. Folia 
alterna v. inferiora opposita, integra v. dentata. Capitula magna v. mediocria, pedun- 
culata, ad apices ramorum solitaria v. pauca. Corolle flavee.  Ach:senia glabra. 
Species 2, Mexici et Americz centralis incole. —Tüfhomia scaberrima, Benth. ; Walp. Ann. y. 223 
(T. platylepis, Sch. Bip. in Pl. Mex. Liebm. exs.), et T. calva, Sch. Bip. in Seem. Bot. Her. 305. 
Genus stylo habitu et capitulis magnis TüAonie affine, achwniis calvis Wulfie, Balsamorhize, et 
Scalesie approximatur, a priore achzeniis minime carnosis involucris ete., a Ba/samorhiza radio neutro, 
ab utraque habitu differt, a Sca/esia minus distincte separatur capitulis ample radiatis, involuero 
lato, achseniis crassioribus. 2 
386. Xostephane, Benth. gen. nov.— Capitula heterogama, radiata, floribus radii 1- 
seriatis neutris, disci D fertilibus. Involucrum hemisphsericum, bracteis pauciseriatis 
subherbaceis, exterioribus lanceolatis:acuminatis, interioribus angustis brevioribus. Recep- 
taculum convexiusculum, paleis concavis complicatisve rigidulis membrànaceis flores 
P amplectentibus onustum.  Corollz 9 ligulatze, lamina patente subintegra ; P regulares, 
tubo brevi, limbo cylindraceo-campanulato extus basi villoso apice breviter b-fido. Styli 
rami longiusculi, subcomplanati, in appendices lanceolatas desinentes.  Achsenia (imma- 
iura) a latere compressiuscula, obovato-oblonga, sub-4-gona, obtusissima, calva.—Suffru- 
tices scabro-pubescentes. Folia ad basin caulis conferta, grosse dentata, lobis paucis 
latis dentatis pinnatifida, petiolo alato. Capitula ad apicem pedunceuli longi subaphylli 
pauca, pedunculata, magna. Corolle radii violacez (v. flavze 7. Achsnia glabra v. 
villosula. T 
Species 2, Mexican, quarum altera est Echinacea Aeterophylla, Don. in Sweet Brit. Fl. Gard. ser. 
2, t. 82 (Coreopsis heterophylla, Cav. Ie. t. 268), altera a Ghiesbrechtio sub n. 101 lecta nova videtur. 
Genus a Z?udbeckia differt ptaeulo haud producto, à Ba/samorhiza cui habitu accedit, floribus 
radii neutris distinguitur. : 
387. Borrichia, Adans. Fam. ii. 130. (Diomedea, Cass. in Bull. Philom. 1817 ; Dict. xiii. 
283. Adelmannia, Reichb. Consp. 110.)— Capitula heterogama, radiata, floribus radii 
9 l-seriatis discique Q fertilibus. —Involucrum hemisphzericum, bracteis 2-3-seriatis 
parum inzqualibus, exterioribus herbaceis v. foliaceo-appendiculatis, interioribus latis 
rigide membranaceis v. coriaceis. Receptaculum convexiusculum, paleis rigidis concavis 
flores t subtendentibus v. subamplectentibus onustüm.  Coroll:e 9 ligulatz, patentes, 
lamina integra ; f regulares, tubulos:e, limbo elongato parum ampliato b-dentato. Anthe- 
rz basiintegre v. auriculis minutis sagittate. Styli fl. D rami elongati, angusti, his- - 
piduli. Achznia radii ssepius 3-gona, disci 4-gona, cupula brevi irregulariter obtuse- 
que dentata coronata.— Frutices cano-tomentosi v. demum glabrescentes, ssepe carnosuli.. 
Folia opposita, integerrima, oblonga cuneata v. obovata, crassiuscula, 1—3-plinervia. 
Capitula majuscula v. mediocria, ad apices ramorum v. in dichotomiis pedunculata, 
pedunculo sepius inerassato. Corolle flave.  Achsenia glabra. : 
Species enumeratee 5, verisimiliter ad 2 v. 3 reducendz, in maritimis insularum Indice occidentalis 
et littorum oppositorum Ameriez australis borealisve obvise. DC. Prod. v. 488. Dil. Hort. Eth. 
t. 38 (Asteriscus). : : 
TaurwETRA, Mog. ex DC. Prod. vii. 262, genus ad iconem ineditam Flore Mexicans Stabilitum a 
Borrichia distinguitur stylis fl. $ 3-fidis, quod tamen hine inde observatur in variis generibus nee 
in eadem speeie constans. 
Hzurcra, Cass. in Bull. Philom. 1818, Dict. xx. 461, DC. Prod. v. 537 non Less., genus ad plantam 
olim in horto Parisiensi cultam stabilitum a nobis non visam, ex descr. auctoris characteres omnes 
Borrichie ostendit, exceptis corollis, quie tam radii quam disci usque ad basin fisse absque tubo dieun- 
tur An forma monstruosa ? 
