Cacti.— Orcutt. 



red flowers slightly resemble those of C. 

 flag-elliformis. 



CEREUS AMBLYOGONUS G. Don. 

 CEREUS AME>:AENSIS Heese. 

 CEREUS ANDALGALENSIS Web. 

 CEREUrf AREOLATUS Mueh. 



Antles, South America. 

 CEREUS ARMATI'S Otto. 

 CEREUS ASSURGENS Gris. 



West Indies. ■ 

 CEREUS AUREUS KS. 

 CEREUS AZUREUS Farm. 

 CEREUS BARBATUS Otto. 

 CEREUS BAUMAN'NII Lem. 



Paraguay Republic. South America. 

 Variety COLUBRINA KS. 

 Variety FLAVISPINA KS. 

 Variety SMARAGDFLORA Web. 

 CERETTS BAXANIENSIS Karw. 



Mexico. 

 CEREUS BENECKII Eh. 



Aborescent and branching after the 

 habit of Cereus gecmetiizans, 6-7 ribbed; 

 areolae % inch apart, woolly, bearing S 

 radial spines % inch or less long, and 1 

 ctntral 1-S inches long-, curved upward, 

 all ash colored; fruit globose. iX, inch in 

 diameter, dull purple; remains of flower 

 usually- deciduous leaving a large ash- 

 cnlored ^car; seeds large, ;;6-S) in each 

 berry. Tne be-ta-^o-vo of the Indians. 

 In aspect of plant and fruit this closely 

 reserrrbles the garambul o (Cereus geo- 

 mecri^urs). Near Oaxaca, Me.Kico (Or- 

 cutt 270)). 

 CERBUS BERTINII L'Her. 



Paraguay Republic, South America. 

 CEREUS BLANKIl Pos. 

 CEREUS BOECKMANNII Otto. 



West Indies. 

 CEREUS BONARIENSIS Sw. 

 CEREUS BONPLANDTI Parm. 



Paraguay Republic. South America. 

 CEREUS BRACHIATUS Gal. 



Tehuacan. Puebla, Mexico. 

 Cereus bradtianus C is Opuntia cerei- 



formis Web flde KS. 

 CEREUS BRANDII H Angl. 

 CEREUS BRIDGESII S. 



Bolivia, Sbuth America. 

 CEREUS CAESIUS Otto. 

 CEREUS CANDELARIUS Hort. 

 CEREUS CANDICANS Gill. 



Argentine Republic. 

 CEREUS CAVENDISHII Monv. 

 CEREUS CHAL.YBAEUS Otto. 



Argentine Republic. 

 CEREUS CHILENSUS Colla. 



Chile. South America. 

 CEREUS CHIOTILrLA Web. 



Arborescent, 20 feet high, branching 

 freely a foot or so above the ground, the 

 older branches 6 inches in diameter, the 

 tips of the branches 2i/^ inches in diame- 

 ter with densely woolly ovate or shield- 

 shaped areolae, bearing the terminal 



CEREUS DASYACANTH'TJS Engelm. 



flowers and fruit. The tree often of an 

 umbrfUa shape, or the interlocking 

 branches curving or twist ng in any other 

 than a symmetrical manrer. Ribs fi-S. 

 acute, with sharp intervals; aieolae % 

 inch across, i^ inch long, nearly or fiuite 

 contiguous; 1 stout, terete, ashy, central 

 spine 14-2 Inches long or less — otten 2 or 3 

 short centrals above Vi inch long, erect; 

 radials about 12, ^A inch long, curved in- 

 ward, all but the lowest laterally dis- 

 posed, spines all nearly white when 

 young. Called 'tiotilla' by the Indians, 

 who gather quantities of the fruit for the 

 markets of Tehuacan in June for 1 cent. 

 Fruit 1V4 inch diameter, slightly longer, 

 remains of the flower persistent; color 

 dull dark red. with 25-30 thin semi-trans- 

 parent triangular scales — the base and 

 sides equal— about three-eighths of an 

 inch; pulp dark purple, with numerous 

 black seeds. State of Oaxaca, Mexico 

 (Orcutt 264S, 2666). Flower 11/2 inches 

 across, bright lemon yellow (27 Je 1902). 

 CEREUS CLAVIFORMIS R-K. 

 CEREUS COERULESCENS S. 



Argentine Republic. 

 CEREUS COLUBRINUS Otto. 



An erect-growing Cuban plant, night- 

 blooming, the fragrant white flowers b 

 inches across. 



CEREUS COIATMNARIS Lodd. 

 CEREUS COMETES Scheidu. 

 CEREUS CONCINNUS Hge. 



