163 The West Amer 



downword 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. Wislizeni, with 

 which the plant has perhaps hitherto 

 been confounded. 

 MAMMII/LJARIA OLIVIAE Orcutt. 



Globose to OA'ate, 2^/^ inches in diameter, 

 3 inches high, simple or rarely branched 

 or cespitose; tubercles ovate, 14 inch long, 

 axils naked; radials 25-36, snowy white, 

 slender, rigid, 14 inch long, upper ones 

 shorter; centrals 1-3, the lower one only 

 an eighth of an inch long, erect, rigid, 

 white or tipped with chocolate brown; the 

 two upper centrals slender, white or rarely 

 tipped with brown, 3 times as long, close- 

 ly resembling the radials: lower central 

 rarely longer, but occasionally even V2 

 inch long, slender or flexuous, brownish 

 and hooked upward — more frequently seen 

 on the lower outer tubercles of young 

 plants; fruit scarlet, clavate, with small 

 seeds. Type, Orcutt, No. 2602:— Of snowy 

 whiteness from its numerous interlacing 

 spines; dedicated to the author's life part- 

 ner, who has accompanied him in thought 

 on the mountains and deserts of Arizona, 

 where this beautiful plant occurs. 



CEREUS STRIATUS Brandegee. 



Cereus digueti Weber, Mu d'hist nat,b, 

 1895, 319. 



Apparently not rare in saline soil. near 

 Batamotal, Sonora. where it is known by 

 the name sa-ra-ma-tra-ca; the tubers are 

 produced abundantly like small potatoes. 



ECHINOCACTUS EMORYI Bngelm. 



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 257S, 2605). . 



ican Scientist. J*>-i 



EstablUhed 1884. 



THE WEST AMERICAN SCIENTIST. 



Published monthly. 



Prio« 10c a copy; |1 a year; $10 for life. 



Charles Russell Orcutt, Editor, 



Number 966 Twenty-first Str«et. 



San Diego. California, U. B. A. 



ADVERTISEMENTS. 



Twenty-five cents a line, nonpareil, 

 each insertion. 



ORCUTT, San Diego, California. 



Insurance Agent and 

 Notary Public. 



DODSON. A. E.r 

 No. 909 Fourth St., San Diego, Cal. 



West American 

 MOLLUSCA 



Descriptions, notes, synonymy, bibliog- 

 raphy, etc., collected and published in 

 4 - page 8° numbers, at $1 for Vol. i. * 

 Jpi^^We also offer many species for sale 

 — including over 2000 varieties. 



ORCUTT, San Diego, California. 



WADE & WADE 



Analytical Chemists and Assayers, 

 115'/^ North Main st. (Tel. Green 1704), 



Los Angeles, Cal. 

 Chemical Analysis, Assaying, Milling, 

 Concentration and Cyanide tests, etc 



FINTZELBBRG, THEODORE: 



Real Estate, Insurance, Commission, 

 Notary Public. P. O. box 694. 



Express block. 



LAKESIDE HOTEL 



Lakeside. San Uiego county, California 



This Hotel is a convenient place to 

 stop on the way to and from the mines. 



First Class in every respect. 



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Baths and electric bells. 



