270 
Hermann WoUT. — Umbellifcrae-Saniculoideae. 
singuluin caulem arnplectentibus, vaginis paulatiin in jjetiolo laminare anguslatis; pe- 
tiolo 8 — 9 cm longo, 1 — 1,5 mm lato; lamina 1 — 2 cm longa pinnatipartila vel bi- 
pinnaliparlita, paucis segmenüs linearibus ornata; segmenlis simplicibus incisisve ± 
5 — 8 mm longis, 1/2 — 1^/2 latis, sensim setaceo-spinuloso-terrninatis; prophyllis 
cymae primariis basalibus conformibus secl minoribus, internoclio paulo superantibus vel 
aequantibus, superioribus magis reductis, parlilis vel pinnatifidis 1 — 2 cm longis. In- 
florescenlia fere in cyma unilaterale disposita; capitulis ovoideis 10 mm longis et 6 mm 
latis, brevissime pedunculatis, ab involucro spinoso sulTultis. Bracteis involucri 8 line- 
aribus ( 1 — 1,5 mm longis et 1 mm latis) margine integris, rigidis, spinoso-acuminatis 
capitulum excedentibus. Bracteis floralibus inferioribus minimis flores baiid vel vix ex- 
cedentibus, medianis auctis exsertis, supremis longe productis involucralibus simillibus 
8 — 12 mm longis; sepalis ovato-lanceolatis obtusis et spinuloso-mucronalis vel acumi- 
natis, spinula brevissima, dorso laeve, nervo medio prominente 1/2 mm longo; stylis 
cylindricis, paulo divergentibus, inclusis fere Y 2 longis. Achaeniis 2 mm longis 
et 1 mm latis, ellipsoideis, squamis vcsiculosis, piriformibus, crebre scabriuscule punctu- 
latis conformibus sed minoribus intermixtis, densissiine obteclis.« 
Argentinia: »Prov. Buenos Aires prope vicuni Salto in pratis humidis et in limo 
lacunarum incola. « 
E. Purpusii Hemsl. et Rose in Contr. U. S. Nat. Herb. Xlll. (1901) 311. — Perenne; 
caulis 60 — 80 cm longus, nudus, apice plurifurcalus, ramis cymose divisis. Folia basalia 
numerosa 25 — 30 cm longa, ad 12 mm lata, margine sat dense anguste spinoso-lobata 
(dentata), dentibus latitudinem folii non superantibus, saepe basi spinulis accessoriis an- 
gustis auctis. Capitula 2 cm et ultra longa, longiora quam latiora; bracteae involucrales 
erectae, spinoso-pungentes, integerrimae, 8 — 1 2 mm longae; florales pungentes, integer- 
rimae. Styli elongati. Ovarium inferne nudum, superne squamis paucis ovatis obsitum. 
Mexiko; Puebla, Cerro de Cacalotl (Purpus n. 4109, nach Hemsley und Rose). 
E. tenuissimum Hemsl. in Hook. Ic. 4. ser. VI. 4 (1899) t. 2580. — E. 
tenue Hook, et Arn. Bot. Beech. Voy. (1840) 293. — Planta perennis? gracilis, erecta, 
ca. 15 cm alta. Caulis solitarius inferne simplex et foliosus, superne parce bre- 
viterque ramosus, apice 2 — 3-furcatus, ramis abbreviatis semel vel bis cymose divisis. 
Folia basalia sub anth. jam emortua, caulina rigidula, ad caulis apicem versus valde 
sensim decrescentia, angusta, inferne ut in peliolum auguslata, antice 3-loba, lobis 
angustis divaricatis, margine toto anguste spinuloso-serratis, spinulis tenuibus, palulis; 
fulcrantia et prophylla primaria illis similia, minora. Inflorescentia depauperata; capi- 
tula breviter pedunculata ovoidea, 7 — 10 mm longa; bracteae involucrales rigidae, 
lineari-subulatae ; florales similes, flores superantes. Sepala oblongo-lanceolata breviter 
crasseque mucronata; petala oblongo-ovalia, lobulo inflexo subaequilato, breviore, apice 
denticulato instructa. Fructus immaturi ovarium squamis parvis vesiculiformibus obsitum. 
Provinz des mexikanischen Hochlandes: Jalisco (Beechey, nach Hemsley). 
Nota. Species subdubia esse videlur; speciinen adbuc unicum noluin. CI. Hemsley 
ipse putat forsitan speciinen cxiguuin speciei alicujus esse; sec. Ind. Kcw. ad K. WrigJdii re- 
ferendum. 
E. tuberosum Raf. Florida ludovic. (1817) GO. — "Radice tuberosa, foliis an- 
gustis indivisis, serrato-spinosis enerviis caulinis amplexicaulibus; floribus corymbosis, 
perianthus spinosus octopbyllus. — Ghardon tubcrcux Rob. pg. 42 9. This plant is 
a real Eryngium, slem round, a little knobby, 1 — 2 ', tbe radical leaves are tbick, 
striated and elongated. Perianthe plane, pliorantbe globular, wilb acute and concave 
scales, calyx with 5 acuminate divisions; seeds compressed winged. A variely riscs 4 ', 
bas radical leaves i'long and only 4 llowers.” 
Nomina dubia vel nuda. 
E. albovillosum Forsk. Fl. aegypt.-arab. (1 775) pg. Xlll. — Ins. Melila. 
E. amethystinum Pall. It. III. (1 776) 1 96. 
E. earfhamoides Smilli in Rees, Cyclop. .MIL, ex Ind. Kew. 
