3i 



Cacti.— Orcutt. 



32 



ECHIXOCACTUS DURANGENSIS Rge. 



ECHINOCACTUS EBEN ACANTHUS 



Mor.v. 



ECHINOCACTUS ECHIDNA P D-C. 



ECHINOCACTUS ECHINOIDES Lem. 

 Bolivia, South America 



ECHINOCACTUS EHRENBERGII Pf. 



EC HINCCACTUS ELECTRACANTHUS 



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- 

 laied, 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 

 Guavmas. Sonora (Orcutt 2578, 2605). 

 Echinocactus equitans Scheidw, is hori- 



zonthaloiTus. 



ECHINOCACTUS ERECTOCENTRUS C. 



ECHINOCACTUS FRINA' EUS Lem 

 Sta:e cf R o (iianae 00 Sul, ^_asi . 



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 rare~:y 17, intervals 

 narrow and deep; radial spines 10 or less, 

 grayish white, flattened, flexuous, l-2y 2 

 inches iong. and laterally disposed; central 

 spines 7, stout, strongly annulated, red- 

 dish brown, the 3 upper and 3 lower of 

 at out equal length, divergent. 1-3 inches 

 long, terete or slightly angled, straight; 

 the longest central erect, straight, flat- 

 tened or channelled above. % inch broad 

 or less, varying from 1 to 6 inches in 

 length soniP'times on the same plant, uni- 

 formly about y? inch at the tip turned 

 downward at right angles with the main 

 portion cf the spine, forming a short 

 hrok. Named in honor of William Fal- 

 coner. Type, Orcutt, No. 2503:— Batamo- 

 tal, Sonora, Mexico. 



Flower and fruit will be described later, 

 but resemble those of E. Wislizeni. with 

 which the plant has perhaps hitherto 

 been confounded. 

 ECHINOCACTUS FLAVOVIRENS 



Scheidw. 



Tehuacan, Puehla, Mexico. 



ECHINOCACTUS FORDII Orcutt. 



"G'obose, 6 inches or more in diame- 

 ter, with about IS tucerculated narrow 

 ribs closely set vvith c'vsters of stout 

 ashy gray spn^s. 4 c ntra , amulated, 

 the 1 ong , est PA inches lone, and hooked; 

 2 slender spines above with about 14 di- 

 vergent rad a"s; tower an inch across, 

 about 32 ro^e rvrple re'a's :'n 2 scr es, 

 9 greenish stgmata, stye tinned with 

 red, filaments r d a + to - ' ard y low at 

 base, anthers orange yellow. Near La- 

 goon Head, Baja California. Named for 



Lyman M. Ford, of San Dingo, who has 



tal-en a gnat interest in ca-ti. Appar- 

 ently the same p'ant wa? distrib "t?d in 

 1S?4, from near San Ou ntin 1 ay. as a 

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

 53 (.nomefl). 



EICHINOCAOTUS GIBBOSUS P DC. 



Argentine Republic. 



ECH1NOCATUS GLADTATUS S 

 >iCHINOCACTUS GLAUv US K S. 

 E,CPiIN' ; >CA< T S GEiISSEI Fas. 

 ECHJ NOOACTUS GRANDi CORNIS 



Lem. 

 EC R INCH ACTUS GRU^ONIT H;Fm. 

 ECHINOCACTUS HiEMiTACA .THUS 



Mcnv. 



Tehuacan. P^ebla, MexPo. 

 ECT-HNCC ACTUS HASELBERGII F 



Hge sr. 



Piazi;, Sou + h America. 

 BCUINOCACTUS T-TASTATUS Hpffr. 

 ] ICHINOC ACTUS HAYNEI OUo 

 ECU INOCACTUS HETEROCHR' - MUS 



Web 

 EICWTNOCACTUS HEXAEDROPHO- 



FUS Lem.. 



Near Pan Luis Poto?i Mexico.' 

 ECHINOC ATUS HILCENSIS Hndm. 



ECHINOCACTUS HORIZONTHALONIUS Lem 

 Near San Lu^ Potosi Mexico. 



ECHrNOCAUTUS HORRf^ILUS Lem. 



ECHTNOCACTUS HUMHTS R A Phil 



ECHINOCACTUS HYPTIACANTHUS 

 Lem. 



ECHINOCACTUS INGENS Zucc. 



Plant 2-5 feet higrh, l- 9 in d : ameter, 

 simple, or occasionally proliferous, form- 

 ing enormous masses ?s much as 10 feet 

 in d'ame'e^! R ; bs %-32, of 1 en bPu-cate, 

 acute, tuberculate-interrupted, areolae 1 

 inch long, an nch apart, or, in eld plants, 

 foimi g a cent nuo is woolly rPg^ along 

 the ribs, the o'epre se" 1 top r1 en.-ey tc- 

 mentose, envelop! g the flower- aid 

 fruit. Spines all stout, an aula ed. 

 straisrht, the 4 cent' als of nearly equal 

 length, 1% inch long, divergent, the ra- 

 dials three-fourths inch long or less, 3-4 

 above and 3 below the centrals — some- 

 times 2; or more additional radials later- 

 ally disposed. Flower 2 inches across, 

 1 and three-fourths long; petals about 20, 

 acute, Vj. inch broad, canary yellow, tip- 

 ped with a tinge of rose; about 30 long 

 narrow acute sepals and scales on the 

 ovary with woolly axi's. Anthers, fila- 

 ments and style rich orange yellow; stig- 

 mata 7, % inch long, sp" ending, style 

 three-fourths inch long; anthers small, 

 filaments short. Flowers deeply imbed- 

 ded in the dense copious 1 wool an inch 

 long that fills the depressed top of the 

 plant. Plant dark apole green, young- 

 plants especially decorated with broad 

 horizontal bands of maroon on the ribs, 

 zebra -like rr 'he areolae on the r<bs mar- 

 gined with bands r l maroon, ""^his is one 

 of the largest °f J he viz^ga plants, vsed 

 in mak : n T 'dulces.' S &<t a . of r u"bla, 

 M c x'co (Orcutt 2 ? 37). Carloads of these 

 plants are sa ; d to be annually used in the 

 n^t^e crnfectionery ^oos. 



Mrs. Anna B. NPkols rrentions a single 

 plant sent to Europe that we'ghed four 

 -tn-^p! Dip. C. C. Parry ^ites the wool'v or 

 silk-1'ke substance p o'ucei si abun- 

 dantly at its depressed summit, as col- 



