JI7 



Cacti. — Otcntt. 



iS 



stems dark green. 3 inches thick, the ribs 

 . scaicely an eiglith inch thick, strongly 

 • crtnj.ale. bearing the areolae at the 

 -SLmmit. P lower white, style 7 inc^^£s 

 lor.g; siigmata 14, slender, white, nea.ly 

 y^ inch bn§; ovary "-lob se, an 'nh i!i 

 diameter^ covered > ith about © tub^rce; 

 surmounted with minute scales (the to- 

 mentose, a> lis conmonly tear.ng 2 \^ h te 

 gpines); tube of (x>o1h 5 1 ches 10 g, 

 bearing '5 or in r similar scales witci 

 tomentose and spiny axils; fllam ntSi and 

 large anthers appaently white (i drei 

 :flower), petals rarrow, icuminale, 1% 

 inches lon'g, extend ng three-fourths ir.t:h 

 leyond t^e filaments. Nopale, or N^ua- 

 lita de Griz. of the Indans; 15-20 fe^t 

 high; cultivated in gaTdens for fts fruit 

 (?). States rf Pue"bla ard Oaxaica. Mex- 

 ico (Orcutt 2709). 



"CEREUS PATILLOSUS A. Lke. 

 ■CEREUS PARVIFLORUS KS. 



Bolivfa. South America. 

 ■CEREUS PARiVISETUS Otto. 

 CEREU9 P^SACANA Wela. 



Argentine Republ'e. \ 



CERET'S PAXJCISPINUS ^. 

 'CEREUS PAXTONIANUS MonT. 

 ■CEREUS PERUVIANUS Mill. 



Peru, goi'th / merica. 

 Variety MDNSTRUOSA P DC 

 •CEBET7S PITAHAYA P DC. 



Pi'azil, South America. 

 'CEREUS PLATYGOINUS Ott©. 

 "CEREUS POLYRHIZUS Web. 

 •CEREUS PGM^NENSIS Web. 



Argent-'ne Repubrc 

 "CEREUS PTEROGONUS Lem. 

 CEREUS PULCHELLUS Pf. 

 CEREUS QUADRICOSTATUS Bello. 



^'est Indies, 

 -CEREUS QUERETARENSIS Weber. 



"Tree-like, much branched, 6-8 m high"; 

 flowers 10-12 cm long: ovary covered wit'h 

 triangular fle«hy stales which arise from 

 a tubercle and bear axillary wool and 

 spines; fruit densely, covered with bunch- 

 es of dark-yellowish or brownish Spines 

 "bulbous at base. Type, Weber specimens 

 In hb Mo hot gard. In the vicinity of Qoe- 

 retaro, Mexico, and cultivated along road- 

 sides and fence rows."— Coulter, Cent Na, 

 hb 3:4ia 



CEREUS RBPAlS*rHJS Haw. 

 CEREUS RIGIDISPINUS Monv. 

 Probably from the Andes (not Mexico, 

 fide KS). 



CEREI'S RUFERI Hge. 

 CEREUS RUSSELLIANUS Forb. 

 CEREUS SALM-DYCKIANUS Web. 

 CEREUS SAXICOLA Morong. 

 CERET'S SCHOMBURGKII Otto. 

 CEREUS SEPIUM P DC. 

 CEREUS SERPENTINUS P DC. 



Mexico. 

 CEREUS SETACEUS S. 

 Brazil, South America. 

 Cereus simonii Hilldm, is C. alamcsen- 

 sis C. 



OLD MAN CACTUS. 



Oereus soron^nsis RUnge, Is C alamo- 



sensis C. 

 CEREUS SPACHIANUS liSm. 



ArgenUne Republ t 

 CEREUS SPECIOSSIMUS DC. 

 CEREUS SPECIOSUS KS. 

 \ariety COOCINEA KS. 



CEREUS SPIJsULOSUS P DC 

 Mexico. 



CEREUS SPLENDIDU3 Paxt. 



CEREUS STELLATUS Pf. 



CEREUS STELLIGER Ctto. 



CEREUS STOLONIFER ^^•eb. 



CEREUS STRIATUS Brandegee. 



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

 1895, 319. 



Apparently not rare in sa.line soil near 

 Batamotal. Sohora, where it is known by 

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

 produced abundantly like small potatoes. 

 CEREUS STRlGOStrs Gill. 



Argentine Republic. 

 CEREUS SUBFLAVISPINUS Otto. 

 CEREUS SUBINETRMIS Hem. 

 CEREUS SUBINTORTUS Otto. 

 CEREUS TENUISSIMUS G. Don. 

 CEREUS TEPHRACANTHUS Lab. 



Bolivia, South America. 

 CEREUS TETAZO Weber. 



"Stout, branching, 10-15 m high; flowers 

 greenish-white, 6 cm long, in clusters of 

 10-20 from the youngest areolae and with- 

 out any wool; fruit irregularly dehiscent, 

 exposing the ripe pulp. Type, Weber spe- 

 cimens in hb Mo bot gard. Zapatalan, Ja»- 

 lisco."— Coulter, Cont Na hb 3:409. 

 CEREUS TETRAGONUS Haw. 

 CEREUS TORTUOSUS Forb. 



Argentine Republic. 



