THIv CACTACEAE. 



(Berger, Hortus Mortolcnsis 70. 1912). Ccrciis grandiflorus barbadcnsis is also given by 

 r, i rger. 



Tin.' flowers of S. grandiflorus are almost identical with those of the 8 following species, 

 \\liicli dilTer essentially only in vegetative characters and armament. 



Illustrations: Andrews, Bot. Rep. 8: pi. 508; De Candolle, PI. Slice, i : pi. 52; Des- 

 courtilz, Fl. Med. Antill. i : pi. 65; Loddiges, Bot. Cab. 17: pi. i625;Loudon, Encycl. PI. 

 f. 6873, as Cactus grandiflorns; Cact. Journ. i : 125; Curtis's Bot. Mag. 62 : pi. 3381 ; Diet. 

 Card. Nicholson i : f . 407; Gartenflora 53:68, 401; Schumann, Gcsamtb. Kakteen f. 34; 

 Miller, Icones pi. 90; Riimpler, Sukkulenten f. 69; Monatsschr. Kakteenk. 10:60; Cycl. 

 Amer. Hort. Bailey i : f. 414, all as Cereus grandiflorus; Trew, PI. Ehret. pi. 31, 32, as Cereus 

 gracilis scandens etc.; Cact. Journ. i: 79, as Ccrcns grandiflorus major. 



Plate xxxn, figure 3, shows a section of the fruit of a plant in the New York Botanical 

 Garden sent from Cuba by C. F. Baker in 1907, with germinated seeds within; plate xxxni, 

 figure i, shows a flowering branch, figure 2 shows the tip of a branch, and figure 3 its fruit. 



2. Selenicereus urbanianus (Giirke and Weingart) Britton and Rose, Contr. U. S. Nat. Herb. 16: 

 242. 1913. 



Cereus urbanianus Giirke and Weingart, Notizbl. Bot. Gart. Berlin 4: 158. 1904. 

 Selenicereus maxonii Rose, Contr. U. S. Nat. Herb. 12: 430. 1909. 

 Cereus roseanus Vaupel, Monatsschr. Kakteenk. 23: 27. 1913. 

 Cereus paradisiacus Vaupel, Monatsschr. Kakteenk. 23: 37. 1913. 



Stems light green, but often becoming deep purple throughout, often 3 cm. in diameter; ribs 

 4 or 5, rarely 3 or 6, rather prominent but less so on the older branches; areoles small, white; spines 

 i cm. long or less, brownish; reflexed 

 bristles or hairs from the lower part of 

 the areoles several, white, longer than 

 the spines; flowers 20 to 30 cm. long; 

 uppermost scales and outer perianth- 

 segments narrow, brown to orange, paler 

 within ; inner perianth-segments spat- 

 ulate to oblanceolate, the upper part 

 more or less serrated, the very broad 

 apex sometimes apiculate or entire and 

 acuminate, pure white; stamens and 

 style yellowish green, longer than the 

 inner perianth-segments ; flower-tube 1 7 

 cm. long, reddish brown, its areoles and 

 those of the ovary bearing long, white- 

 hairs. 



Type locality: Haiti. 



Distribution: Cuba and Hispan- 

 iola. 



Plants collected by Dr. John K. 

 Small, escaped from cultivation near 

 Halendale, Florida, are, apparently, 

 referable to this species. 



Illustrations: Monatsschr. Kak- 

 teenk. 16: 137, as Cereus urbanianus: 

 Bluhende Kakteen 3: pi. 153, 154, as 

 ( 'ereus paradisiacus. 



Plate xxxiv shows a flowering 

 branch of a plant collected by N. L,. 

 Britton and J. F. Cowell at El Cobre, 

 Cuba, in 1912. 



IMC.S. 273 and 274. Branch ami fruit of Selenicereus conifiorus. 



