705 
ARCTOPUS echinatus. Mas. 
Prickly Arctopus. Staminiferous or sterile plant. 
; lg 
POLYGAMIA DIG:Cl4 (PENTANDRIA DIGYNIA). 
Nat. ord. UMBELLIFER. Jussieu gen. 218. Div. FV. Umbellifere 
anomalz. 
UMBELLIFERE. Sprengel in Rem. et Schultes syst. veg. 6. 
xxix.i Tribus I. Forme desciscentes. Sect. Umbelle sub- 
capitate. : 
_ ARCTOPUS. Flores polygami diwci. Involucrum mascule plante 
5-phyllum, femine 4-phyllum, demum auctum. Fructus ovati inclusi in 
involucro turgido spinoso. (Sprengel 1. c. xxx. 
Arctopus echinatus. Linn. sp. pl. ed. 2. 2.1512. Willd. sp. pl. 4. 1117. 
/ Hort. Kew. ed. 2. 5. 481. Lam. encyc. 4. 674. illustr. t. 885. Thunb. 
fi. cap. 2. 197. Roem. et Schultes syst. veg. 6. 315. 
Arctopus. Hort. cliff. 495. 
Arctopus foliis superné spinis stelliformibus echinatis laciniatis et in cilia di- 
ductis, floribus umbellatis. Burm. afr.1. tab. 1. 
Valerianoides cortuse Mathioli facie planta zthiopica, foliorum ad lacinias , 
superna parte spinis stelliformitér echinata et ad oras pilis longioribus 
fimbriata. Pluk. mant. 155. t. 271. fig. 5. abe 
Radix jiliformis profundé descendens longa fusca resinosa. Caulis 0. 
Fol. radicalia plurima, terre adpressa, in stelle formam expansa, imbricata, 
interiora sensim minora, subcuneiformi-ovata, inciso-trifida; lacinie laci- 
nuleque iterum inciso-trifide dentate, omni margine ciliis longis brunneis ; 
supra viridia, glabra, rugosa venosa spinosa, subtus crasso-nervosa lacunosa 
pallida inermia, 1-2-pollic. Spine ad basin incisurarum omnium stelli- 
formes, basi late, 3- v. multipartite, lateralibus minoribus, ovate, purpu- 
rascentes, apice pungentes, flavescentes. Petioli lati lineares albi. glabri, 
supra plani, margine tenut, subtus convert margine utrinque sulco duplici, 
radici verticillatim inserti, basi erecti, inde patentes semidigitales. Flores 
radicales, perfecté dioict. Mas. Umbell. univers. longa inequalis. Pe- 
dunce. 1 v. 2, 3-goni, glabri, albi, patentissimi, inequales, extimi digitales, 
interiores unguiculares. Umbell. partial. brevis hemispherica multiflora. 
Pedicelli erecti albi 1-flori, lineam longi. Ynvolucr. univers. subdphyllum, 
foliola lanceolata acuminata erecta tenuissima alba pedunculis multo breviora, 
unguicularia. Partiale 1-phyllum, ad basin feré 5-partitum erectum longi- 
tudine umbellule; lacinie integre v.2-fide, v. sepe 3-fide lanceolate acu- 
minate spinose glabre virides margine rubro, lacinule laterales minores. 
Cal. proprius 5-partitus minimus erectus rufescens. Cor. univers. uniformes ; 
propria 5-petala, Pet’. margine receptaculi inserta, cum calyce alternantia, 
lanceolata, incurva, acuta: apicibus inflexis, extus canaliculatis, margini- 
bus exstantibus, calyce duplo longiora subundulata alba. Fil. 5, *receptt. 
margini intra calycem inserta, subulata, erecta, apice incurva, alba corolla 
duplo longiora, lineam longa, fertilia polline. Anthe. ovate, dorso affixe 
purpurascentes. Germ. planum dilatatum subdidymum superin glabrum 
purpurascens. Styli,2 subulati sulco germinis insertt erecti brevissimt purpu- 
rei decidui longitudine vix calycis. Stig*. simplicia acuta, Pericarp. sterili- 
¥2 : 
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