STANDLEY — TREES AND SHRUBS OF MEXICO. 73 



2. Washingtonia gracilis Parish, Bot. Gaz. 44: 420. f. 8-10. 1907. 

 Described from trees cultivated in southern California ; believed to be a 



native of Baja Califoi'nia. 



Trunk slender, at least 20 meters high ; blades 80 to 100 cm. broad ; petioles 

 armed throughout with short curved jellow spines; fruit. 6 to 7 mm. in di- 

 ameter. 



3. Washingtonia filifera (Linden) Wendl. Bot. Zeit. 37: 68. 1879. 

 Pritchardia filifera Linden, 111. Hort. Lem. 24. 1877. 



Neowashingtonia filamientosa Sudw. U. S. Dept. Agr. Div. For. Bull. 14: 105. 

 1897. 



Neowashingtonia filifera Sudw. For. Trees Pac. Slope 199. 1908. 



Dry plains, Baja California. Southern California. 



Trunk up to 27 meters high, often a meter in diameter; leaves a meter 

 broad or larger; inflorescence 2.5 to 3 meters long; fruit about 8 mm. long, 

 black, with thin sweet flesh. In the typical form the petioles are unarmed 

 near the blade; in W. filifera roJ)usta (Wendl.) Parish^ they are armed 

 throughout; in W. filifera microsperma Becc." they are armed only near the 

 base. 



This species is one of the commonest palms cultivated in hothouses. It is 

 grown in parks in Sonora, where it is known as " palma de Castilla." The 

 desert Indians of southern California utilized the leaves for building huts and 

 strands from the leaves for tying and in basketry. The fruit was eaten fre«h 

 or dried, the seeds were ground into meal, and the terminal bud or " cabbage " 

 was roasted and eaten. 



4. ACANTHORRHIZA Wendl. in Kerchove, Palmiers 230. 1878. 



Reference: Beccari, Webbia 2: 230-243. 1907. 

 1. Acanthorriza mocinni (H. B. K.) Benth. »& Hook.; Hemsl. Biol. Centr. 

 Amer. Bot. 3: 411. 1885. 



Chamaerops mocinni H. B. K. Nov. Gen. & Sp. 1: 300. 1815. 



Ttlthrinax acnleata Liebm. ; Mart. Hist. Nat. Palm. 3: 320. 1836-50. 



Acanthorrhiza aculeata Wendl. in Kerchove, Palmiers 230. 1878. 



Sinaloa to Oaxaca and Campeche ; type from Acapulco, Guerrero. Guate- 

 mala. 



Trunk of medium height, tapering upward, covered above with long spines; 

 leaves flabelliform, green, slightly paler beneath, the petioles smooth ; inflores- 

 cence short, recurved ; fruit whitish, about 1.2 cm. in diameter. " Palma de 

 escoba " (Campeche); " zoyamiche," " zoyaviche " (Oaxaca); " soyamiche " 

 ( Michoac&n, Guerrero ) . 



5. CRYOSOPHILA Blume, Rumphia 2: 53. 1836. 

 1. Cryosophila nana (H. B. K.) Blume, Rumphia 2: 53. 1836. 



Corypha nana H. B. K. Nov. Gen. & Sp. 1 : 299. 1815. 



Copernida nana Liebm. ; Hemsl. Biol. Centr. Amer. Bot. 3: 411. 1885. 



Known only from the type locality, summit of Cuesta de los Pozuelos, between 

 Acapulco and Mazatl^n, Guerrero. 



Trunk 2 to 4 meters high, slender, unarmed ; leaves flabellate, green above, 

 whitish beneath ; flowers densely spicate ; fruit globose, about 12 mm. in diam- 

 eter, green. " Palmillo." 



'Bot. Gaz. 44: 420. 1907. Washingtonia robusta Wendl. Gart. Zeit. 2: 198. 

 1883. 



"Parish, Bot. Gaz. 44: 420. 1907. 



