148 



THE CACTACEAI5. 



The vegetative characters of the first 9 species here recognized, natives of Florida and 

 the West Indies, are very much ahke; their showy yellow or orange-red fruits are edible. 

 The young stem-areoles are subtended by subulate small deciduous leaves in several species. 



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Fig. 215. — Harrisia eriophora. 



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A 



AA 



Key to Species. 



Fruit yellow or orange-red, not splitting {Eiiharrisia). 



B. Plants erect. 



Hairs of the flower-arcoles white. 

 Perianth-segments entire. 



Hairs of the flowcr-areoles copious, i to 1.5 cm long 



Fruit yellow.. . ' , jj eriophora 



^ Fruit orange-red. 2. H.fragrans 



Hairs of the fiower-areoles. few and short. 



Flower-buds depressed-truncate; fruit yellow . -i H portoricensis 



Flower-buds pointed. f 



Flower-buds obovoid, short-pointed; color of fruit un- 

 known _ . jj fiashii 



P«.; *i. Flower-buds ovoid, very long-pointed ; * fruit yeliow* ". .* ." .' .' ." 5 * h\ brookii 

 Perianth-segments denticulate. 



Fruit yellow.. ;. ^ g H, gracilis 



Fruit orange-red ^ rr tj^.fy.nftii 



Hairs of the fiower-areoles tawny or brown: ^' '''''^'''''' 



Hairs of the fiower-areoles i to 1.5 cm. long; color of fruit unknown: 



Hairs of flower-arcoles 7 mm. long or less; fruit yellow; spines much 



BB Plants prostrate and pendLH^^^^^^^ ,1 ^t7lT'''' 



Fruit red, often sphtting {Eriocereus) , ^^- ^' ^^" 



Joints aeveral-ribbed or subterete. 

 Ribs of the joints prominent. 

 Ribs not tubercled. 



Plants bright green.. rr . i 



Plants bluish green ^^- ?y ^^'''"''''' ;, 



Ribs of old joints strongly tubercled '^- "' ^'"«««^«'" 



?nW ^ P'"^ V T''^' ^''"«'^'" ''^^^ '■adial spines 1,7/ tnartinii 



bpines of nearly the same Ipno-fli ^ ^' ii' '""'""" 





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