31 



Cacti.— Orcutt, 



ECHINOCACTUS DURANGBNSIS Rge. 



EiCHINOCACTUS E-BENACANTHUS 



Monv. 



BCKINOCACTUS ECHIDNA P D-C. 

 ECHINOCACTXJS ECHINOIDES Lem. 

 Bolivia, South America 



ECHINOCACTUS EHRBNBBRGII Pf. 



BCHINOCACTUS EDBCTRACANTHUS 



Lem. 

 Echinocactus ellipticus Lem, is bicolor. 

 ECHINOCACTUS EMORYI Engelm. 



Cylindrical, rarely exceeding 2 feet in 

 diameter and 6 feet in height; ribs sharp, 

 usually tuberculate and 21 in number; ra 

 dials 5 or more, usually 8, stout, annu- 

 lated, terete, reddish, yellowish, white or 

 ashy, commonly straight or curved in- 

 ward, 1-2 inches long; the 1 central 

 straight or more or less curved down- 

 ward, 2-3 inches long, otherwise like the 

 radials. 



Gila Bend, Arizona, southward to near 

 Guaymas. Sonora (Orcutt 2578, 2605). 

 Echinocactus equltans Scheidw, is hori- 

 zon thalorlus. 



ECHINOCACTUS ERECTOCENTRUS C. 

 ECHTNOCAC: US ^RINA EUS Lem. 



Sta^e cf R;o Grande do Sul, rJiasi.. 

 ECHINOCACTUS EXCULPTUS Otto. 



ECHINOCACTUS FALCONERI Orcutt. 



Plant cylindrical in age, 9-12 inches in 

 diameter, usually under 2 feet high, light 

 apple green in color, with a withered ap- 

 pearance (perhaps not normal) ; ribs tu- 

 berculate, acute, spirally inclined (hence 

 called caracola, "snail", or biznaga cara- 

 cola), usually 13, to rarely 17, intervals 

 narrow and deep; radial spines 10 or less, 

 grayish white, flattened, flexuous, 1-2^ 

 inches long and laterally disposed; central 

 spines 7, stout, strongly annulated, red- 

 dish browm, the 3 upper and 3 lower of 

 about equal length, divergent, 1-3 inches 

 long, terete or slightly angled, straight; 

 the longest central erect, straight, flat- 

 tened or channelled above, i/4 inch broad 

 or less, varying from 1 to 6 inches in 

 length sometimes on the same plant, uni- 

 formly about % inch at the tip turned 

 downward at right angles with the main 

 portion of the spine, forming a short 

 hook. Named in honor of William Fal- 

 coner. Type, Orcutt, No. 2603:— Batamo- 

 tal. Sonora, Mexico. 



Flower and fruit will be described later, 

 but resemble those of E. Wlslizeni, with 

 which the plant has perhaps hitherto 

 been confounded. 

 ECHINOCACTUS FLAVOVIRENS 



Scheid'W. 



Tehuacan, Puebla, Mexico. 



ECHINOCACTUS FOEDII Orcutt. 



"G"obose, 6 inches rr more in diame- 

 ter, with about IS tuerculatcd narrow 

 ribs closely set with c'rsters of stout 

 ashy gray sp ms. 4 c ntra , amulated, 

 the "ongest Wi i-ches lonj:. and hooked; 

 2 slender spines above with a'lout 14 r!i- 

 vergent rada's: * ow3r fin n^h pcross, 

 abcu ."2 ro::e purple reals n 2 seres, 

 9 gree"ish st gmata, sty e tin red with 

 red, fllanrenls r d at to > ar d y low at 

 base, anthers orange yellow. Nexr La- 

 goon Head, Baja California, Named Tor 



32 



Lyman M. Ford, of San Diego, who has 

 taken a great interest in cacti. Appar- 

 ently the same plant was distrib t^d in, 

 1894. from near San Ou ntin bay. as a 

 foim of E. peninsulas. "—Orcutt Rev 81; 

 56 (nomen). 



ECHINOCACTUS GIBBOSUS P DC. 



Argentine Republic. 

 ECHINOCATUS GLADIATUS S 

 ECHINOCACTUS GLAUC US KS. 

 EOWINOCAfTr^S G-BISSEI Pos. 

 ECHINOCACTUS GRANDlCORNIS 



Lem. 

 ECHINOCACTUS GRU°ONIT Hildm. 

 ECHINOCACTUS HiiBMATACANTHUS 



Monv. 



Tehuacan. Puebla, Mexico. 

 ECHTNOCACTUS HASELBERGII F 



Hge s.r. 



Brazil, South America. 

 ECHINOCACTUS HASTATUS HpfCr. 

 EIOHINOCACTUS HAYNEI Otto 

 ECHINOCACTUS HETEROCHROMUS 



Web. 

 EICHINOCACTUS HEXAEDROPHO- 



BUS Lem. 



Near San Luis Potosl. Mexico. 

 BCHINOCATUS HILCBNSIS Hildm. 

 EOHINOOACTUS HORIZONTHALONIUS Lem 



Near San Lu's Potosi Mexico. 

 BCHrNOCACTUS HORRIPILUS Lem. 

 ECHINOCACTUS HUM^LIS R A Phil 

 ECHINOCACTUS HYPTIACANTHUS 



Lem. 



BCHINOCACTUS INGENS Zucc. 



Plant 2-5 feet high, 1-2 in diameter, 

 simple, or occasionally Broliferous, form- 

 kig enormous masses as much as 10 feet 

 in diameter! Ribs 25-32, of en bifurcate, 

 acute, tuberculate-interrupted, areolae 1 

 inch long, an inch aparf, or, ia eld plants, 

 forml'-g a cent nuois woolly ririgs along 

 the ribs, the depre sed top rlense'y to- 

 mentose> envelopi g the flowers and 

 fruit. Spines all stout, annula ed. 

 straight, the 4 cent als of rearly equal 

 length, 114 inch long, divergent, the r^- 

 dlais three-fourths inch lone or less, 3-4 

 above and 3 be'ow th^ cent'-pl^— some- 

 times 21 or more additional radials ,1a ter- 

 ally disposed. Flower 2 m-hes aerosi=-, 

 1 and three-fourths ong; retals about ?0, 

 acute, Vi inch broad, canary j ellow, tip- 

 ped with a tinge of rose; about 33 long 

 narrow acute sepals and scales on the 

 ovary with woolly axi's. Anthers, fila- 

 ments and style rich orange yellow; st'g- 

 mata 7, V* inch lorg. speeding, style 

 three-fourths inch long; anthers small, 

 filaments short. Flowers deeply imbed- 

 ded in the dense copious wool an inch 

 lorg that fills the depressed too of the 

 plant. Plant dark ap-^le green, young 

 plarts eppe'^ially d'=>corated ■" 1 h brad 

 ho izo tal ba^ris of maroon on 'he ribs, 

 7ebra-like t 'he areolae on the r-fbs rrar- 

 g'ned with bands f mareon. This is one 

 of the largest ^f he viz^pga plar^ts, rsed 

 'n mak n^ dulce«.' S ft^ rf u b'a. 

 M-x"co (Orrutt 2 37). Carloads of thpse 

 rla-ts are sad to be annually used in the 

 n"t've cenfectionery -^ons. 



Mrs. Anna B. Nirkrls rrentlons a s'ngle 

 plant sent to ETro-^e that we'ghe«^ four 

 to"c-! i>r. C. C. Parry rites the woor-<' or 

 Filk I'ke substa^e p o ucei si abu-^- 

 dantly at its depr..sied summit, as col- 



