5t7 



Cacti.— arcutt. 



Stems dark green. 3 inches thick, the r:i).< 

 scaicely an eighth inch thick, stror.glx 



• cnnu.ale. betnlng ;"he areola^ at the 



-summit. Flower whit\ style 7 laches 

 loiig; siismata 14, sender, white, nea.l.v 

 J/o inch on^i: ovary "lob se, an n li ii 

 diameter, lovered - ith t^bout tub re e; 

 surmounted with minute scales (the to- 

 mentosei a> ils con.monly tear n°- 2 w h te 

 opines); tube of (O oli '> i ches lo g. 

 bearing 5 or m r similar scales wit'i 

 tomentose and spiny axils; filam ntsi e.nd 

 large anthers appa.eritly white (i dr e ! 

 flower). I etals nariOA-, acuminate, VA 

 irches long, extend ng thrce-tourths inch 

 heyond the filament.?. Nopale, or Niia- 

 lita de Cr' z. of the Indans: 15--0 fe t 

 high; fiilti\ated in grTdens for its friit 

 (?). States if Puebla ard Oaxaca. Mex- 

 ico (Orcutt 2709). 



*CEREI'P PAT ILLOSl'S A. Lke. 



'CEREUS PARVIFLORUS K& 

 Bolivia. South America. 



•CEREUS PARVISETUS Otto. 



•CEPEl'S P.iSACANA Web. 



Argentine Republic. 

 CERET'S PAUCISPINUS E. 



'CEREUS PAXTOXIANUS Monv. 



•CEREUS PERU^ lANUS Mill. 



Peru, t^oith ' merica. 

 VaMety MONSTRUOSA P DC. 



"CEREUS PiTAHAYA P DC. 

 P.iazil. South America. 



<:ereus platygonus otto. 



CEREUS POLYRHIZI^S Web. 

 CEREUS POAI.ANENSIS Web. 



Argent'ne Republic. 

 CEREUS PTEROGONUS Letn. 

 CERETJS PULCHELLUS Pf. 

 CEEEUS QUADRICOSTATUS Bello. 



^^'est Indies. 



CEREUS QUERETARENSrS Weber. 



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

 flowers 10-12 cm long: ovary covered with 

 triangular fleshy scales which arise from 

 a tubercle and l)Far axillary wool and 

 spines: fruit densely covered with bunch- 

 es of dark-yellowish or bro~wnish spines 

 bulbous at base. Type. Weber specimens 

 in hb Mo bot gard. In i"he vicinity of Que- 

 Tetaro, Mexico, and cultivated along road- 

 sides and fence rows." — Coulter, Cont Na 

 hb 3:410. 



CEREUS REPANDUS Haw. 

 CEREUS RIGIDISPINUS Monv. 

 Probably tvom the Andes (not Mexico, 

 tide KB). 



CEREUS RUFERI Hge. 

 CEEEUS RUSSELLIANUS Forb. 

 CEREUS SALM-DYCKIANUS Web. 

 CEREUS SAXICOLA Morong. 

 CEREI^S SCHOMBURGKII Otto. 

 CEREUS SEPIUM P DC. 

 CEREUS SERPE.NTINUS P DC. 



Mexico. 

 CEREUS SETACEUS S. 



Brazil, South America. 

 Cereus simonii Hilldm, is C. alamcsen- 



sis C. 



OLD MAN CACTUS. 



Ciereus soror(<nsis Runge, is C. alamo- 

 sensis C. 



CERETJS SPACHIANUS Lem. 



Aigenfne Republ c 

 CEREIS SPECIOSSIMUS DC. 

 CEREl'S SPECIOSUS KS. 

 \^rie^v COCCINEA KS. 



CEREUS SPINULOSUS P DC. 

 Mexico. 



CEREUS SPLE'NDIDUS Paxt. 

 CEREUS STELLATUS Pf. 

 CEREUS STELLIGER Otto. 

 CEREUS STOLONIFER ^\^€h. 

 CEREUS STRIATUS Brandegee. 



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

 1895, 319. 



Apparently not rare in saline soil near 

 Batamotal. Sonera, where it is known by 

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

 produced abundantly like small potatoes. 

 CEREUS STklGOStrS GiM. 



Argentine Rejiublic. 

 CEREUS SUfeFLAVISPINUS Otto. 

 CEREUS SUBINE'RMIS Hem. 

 CteREUS SUBINTORTUS Otto. 

 CEREUS TENUISSIMUS G. Don. 

 CEREUS TEPHRACANTHUS Lab. 



Bolivia, South America. 

 CEREUS TETAZO Weber. 



"Stout, branching, 10-15 m high; floweli-s 

 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. 



