^-^ 



76 



THE CACTACBAK. 



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9. Pachycereus lepidanthus (Eichlam). 



Cereiis lepidanthus Eichlam, Monatsschr. Kakteenk. 19: 177. 1909. 



stems simple or with few stout branches, Hght green; ribs 7 to 9, rather low, separated by 

 broad, rounded mtervals; areoles about 1 cm. apart, small; radial spines about 10, slender, i s cm . 

 ong or the longer ones 4 cm. long; the central ones stouter and somewhat flattened, 3 to 6 cm' 

 LZIl hTr ^ '"?• K ^' '■^- ^f"- broad; perianth-segments arranged in 3 or 4 series, 2.5 cm. long, 8 mm.'^ 



Srli^Jr s^irf^t^r:'^^^"' ^^^^^^^^"^ °" ^^^ ^-^= ^-^ -^ «— ^^^ --^ with; 



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r^-^^/ocaZiVy; Rancho San Agustin, Guatemala. 

 Distribution: Guatemala, 



1 . /u ^ plant resembles Escontria chiotilla, with which we at one time thought it was re- 

 lated, byt it^ has very different areoles on the stems, while the areoles in the axils of the 

 fruit scales, instead of being naked, are described as bearing felt and bristles, and the fruit 

 as dry instead of juicy. We have studied living specimens of the plant both in the New 

 York Botanical Garden and in the Cactus House at Washington, but none of these has 

 flowered, and we know its flowers and fruits only from Eichlam's description above cited. 



Illustration: Monatsschr. Kakteenk. 23: 53, as Cereus lepidanthus. 



^ 10. Pachycereus columna-trajani (Karwinsky) Britton and Rose, Contr. U. S. Nat. Herb. 12: 



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1909 



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cereus columna-lrajam Karwinsky in Pfeiffer, Enum. Cact. 76. 1837 



. Cephalophorus columna-trajani Lemaire. Cact. Aliq. Nov. xii isS 



Pilocereus ro/wmna Lcmaire, Cact. Gen. Nov. Sp. 9. 1839 ^ 



P^locereiislateriharbatusT^l^i^CT in ^oxsi^r.n^ndh.Ca^^^^ 188=; 



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r^-/?^ /ocaZi7:v; San Sebastian, Puebla, Mexico 

 Distribution: Puebla and Onvnpp 



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Mexico 



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In 1906, Dr. Rose collected in the Tomell 



Me 



not far 



It 



forms foLTs^m^^^^^^^^^^ appeared 'to lim to be this species 



couTd brproc^^^^^^ surrounding hills, but, unfortunately, no flowers or fruit 



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Melocactus columna-trajani (Pfeiffer, E:num Cact 



formally 

 Cereus lateribarbatus (Rev. 

 Illustrations: Blanc, Cacti 



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837) is usually referred to this 



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Hort 



1862:427. I 



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columna-trajani; Mollers E 

 Des. pi. 22, as Pilocereus 

 columna-trajani. 



11' f- 1715; Rev. Hort. 62: 



ere, according to Lemaire. 

 129. f. 40, as Pilocereus 



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MacDou 



tetetzo; Schelle, Handb. Kakteenk. f 



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N. Amer 



43, as Ceph 





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!n" uI^^^'^'P? *?''5" ^y D--- MacDougal at Tomdlin Canyon. Mexico 



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Schumann 



Herb 



esamtb. Kakteen 175. 1897), which 



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Weber 



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fleshy and edible. 



we first confused with Pachy^ 



more 



related 



compared with Cephalocereus macroceph 



pectcn 



It should be 



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