

BOTAITT OF FERNANDO NOBONHA. 



39 



p. 16, t. xiv. 



CACTACE^E. 



Hemsl. Hot. 'ChalV JExp 



This was described and figured from material brought by the 

 c Challenger ' expedition ; but as the description is incomplete in 

 some respects and inaccurate in others, owing to deficiency of 

 material, I append an emended description. 



Planta valida, ramis 6-12-pedalibus, erectis vel pendulis, api- 

 cibus recurvis, 1-1J uncias diametro, costis obtusis saepis- 

 sime 7, | unciam altis continuis, areolae pulvinatae, | unciam 

 dissita lanugine albo parvo ; spinas radiatae ochreae 12-15, in- 

 aequales pungentes, longiores, unciam longae. Flores nocturni, 

 5-6 uncias longi, 2 uncias in diametro, erecti, amoenissime odori, 

 ochroleuci. Calycis tubus 3-uncialis, vix | unciam in diametro, 

 viridis, squamis paucis rufescentibus lanceolatis acuminatis. 

 Sepala lanceolata acuta pauciseriata, rubro-viridia, longiora 

 unci alia. Petala ochroleuca ferme alba tenuia late lanceolata 

 obtusa, apicibus minute fimbriatis, quam sepala paullo breviora. 

 Stamina erecta copiosa, quam petala breviora ; interiora multi 

 breviora, filamenta alba apice attenuata; antherae oblongaa, £- 

 unciales, flavi. Stylus validulus 5-uncialis. Stigmata ^-unciam 



longa, 7-11, subacuta, viridia. 



* 



ovulata. 



Fructus magnus 4 uncias longus, 3 uncias latus, 



ongus obtusus, kermesinus, albo-pruinosus. Semina parva 



nigra 



This 



Sella G-iueta, as well as on the main island, and is one of the most 



conspicuous plants. 



down 



dry 



grows 



Here 



there was a woodland form, which differed in some respects from 

 the common type, and may be the Cactus quadrangular is of 



Webster 



green 



in diameter, with five ridges only and very short weak thorns, the 

 largest of which were only half an inch long. No signs of fruit 

 or flower were found on this form ; but I have little doubt that 



form 



On two occasions 



fasciated branches were found in the dense thicket at the summit 

 of Tangle Eock. 













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