83 



The West American Scientist — X. 



<V 



JS. Gaektneri: white lis. - 

 E. Macoyanum: ? 



E. Rus.se- lian'um: 



EPIPHYLLUM TRUNCATUM Haw. 

 Inch, crab or lobster cactus. 



(Genus L.EJPISMIIJM Pfeiffer. 



This genus is merged into Rhipsalis by some 

 botanists, we have none lo offer at present. 



Genus LE'UCHTENBERGIA Fiseli. 



LEUCHTENBERGIA PRINCIPIS Fisch. 

 Triangular tubercles about 3 inches long & 

 surmounted by straw-like spines 4-6 in. oug 



Genus IiOPHOPHORA Coulter. 



LOPHOPHORA -WTLLIAMSII Coulter. 



Rest known as Anhaionium, & more propeHy 

 as an Echiuooaelus -(which see;! 

 Yar Lewi nti (Anhaionium Lewinii): 



Genus 31 AX, AGO CARPUS Siilm. 



Genus MAMMILLARIA Haworth. 



MAMMILLARIA ALVERSONI Hort. 



The Fox-tail cactus is of robust 

 branching- habit, densely covered with 

 long" stout straight spines, usually tip- 

 ped with black or black half way down, 

 shading into red, but often pure ivory 

 white throughout. The large rose pur- 

 ple flowers are quite showy. The larg- 

 est of some fifty plants was a cluster 

 of six heads measuring 3 inches in 

 diameter and about 8 inches high. 



MAMMILLARIA ARIZONICA Engelm. 



§'C6ryphantha. The plant advertised as im- 

 pexicoma is a form of this, also Alversoni. 

 MAMMILLARIA BARBATA Engelm. 

 MAMMILLARIA BOCA3ANA Poselg. 



This beautiful plant is covered with the fiLest 

 tender hair like spines. 

 >fiCARNEA, an eJegant plant, 

 31: -compact a,' clusters. 

 M co rntf era, large showy fl's 

 MAMMILLARIA DECIPIENS Schw. 



L o-e tuber led sin all -growing species with 

 d 'I caie & pretty yellow fl>. 

 MAMMILLARIA DOLIGHOCENTR A Lm 



M • lava more proper!) ; very long tubercles & 

 s dues, of q >aint appearance. ' 

 M DI01CA K. Hrandegee.:. ,■ , . 



!VI. Goodridgii Engelinapn/ (not of Seheer/.). 

 small globular species, closely set with brown- 

 ish or white spines, the central one ^curved 

 into a hook. The delicate yellowish white 

 flowers are succeeded by the club-shaped, 

 scarlet berries that possess the flavor of wild- 

 wood strawberries, and are sometimes called 

 "hep-pitallas," the "Ilavina" of the Mexicans. 



small crimson* Us. —most attractive 

 MAMMILLARIA EJLEP'HANTIDENS Lem. 

 Elephant's Tooth— so-called from the size <k 



shape of the tubercles. 



M. ERECTA Lem. 



Mineral ' del Monte -on high mountains in 

 t^e cold region of Mexico, yel ow spines & lis. 

 M. FiS"UrtATA - see Ai.halo Jiuu lissmatum. 

 M. FORD I i Orcuit. 



Ovate, 2 inches in diameter, and about 3 high,, 

 rarely branching at base; tubercles obtuse, '. t 

 iiich across, short, 12 radial spinescmer ous, 1 

 -ktinch long, the solitary central black and 

 hooked, Y^ inch long; flower an inch long, white 

 with about 9 petals and 9 sepals— the 'after with 

 purplish midvein oh the back, t'> stigmata of a 

 brownish-green style greenish, filaments white 

 and anthers orange yellow; flowers in July; B;>ja 

 (California on the west coast, collected for L. M. 

 Ford, 1899. ear M. Goodridgii 



MAMMILLARIA FULVISPIXA. Haw. 

 MAMMILLARIA GABBII ' Engelm. 



Cactus Brandegeei & v->abbii Coulter, near M. 

 Heyderi. with milky juice, "No. 802." 



MAMMILLARIA GOODRIDGII '- Scheer. 



We have just collected what is now believed 

 by K B.andegee- to be the typical form. 

 MAMMILLARIA GLOCHIDIATA Mart 



Once distributed as zephyranthoides. 



MAMMILLARIA G RAH AMI Engelm, Plant 

 1 to 3 inches high, subglohose, simple or 

 branching from the base; tubercles ovate, 

 axils naked; radial spines in one series, 20 to 

 30 in number, 3 to 6 lines long, rigid and 

 whitish, surrounding a stouter and longer 

 hooked brown r.rie. Flowers small, nearly 1 

 inch wide, reddish; berry .oval,, green, with, 

 small pitted seeds. The well-known "Arizona 

 Strawberry" or small Fishhook Cactus of N. 

 M., Arizona and Utah,- rare in California. 

 Yar. AkizONica, a much larger, stouter-spined 

 plant— perhaps barbata? Either form, 

 MAMMILLARIA HALEI Brandegee. 



§Cochemi ; ea, eereus like, with straight, long" 

 stifT purplish brown spines, scarlet fl's." similar 

 to Epipliylum, & large red fruit.; 

 MAMMILLARIA HEYDERI Muehlenpf. 

 var. aPplanata Engelmann,. 

 M. KRAMEH1, m 



MAMMILLARIA LASIACANTHA Engelm. . 



A beautiful feathery looking «pec.ies;. small A 

 irregular, looking more like a bunch of down 

 M.'LONGIMAMMA DC. Mexico,- 



Flower 14 inches across, 18 canary yellow pet- 

 als & 12 brownish sepals, 9 greenish yellow 

 stigmata, style green, filaments white, ■ anthers 

 < range color; state of Hidalgo, torrid zone 



MAMMILLARIA MAOROMERIS Engelm. 



Tubercies large, spines Jong, flowers 2 l ^-3 l 4 



MAMMILLARIA ECHINUS Engelm. 



Hedgehog mammillaria. heavy stout centrals, inches across of a distinct carmine a flue. 

 & large unique yellow flowers. MAMMILLARIA MEIACANTHA Engelm 



MAMMILLARIA ELEGANS DG. ■-.■■; Form of Ur-yderi, milky juice. 



^eat lovely white spines, like a ball of snow, Var, lonuispina, more & longerspines. 



