HATIORA. 217 
KEy TO SPECIES. 
Lower part of joints slender, pedicel-like......... 6.65... cece cece cece eee e ee ee ees 1. H. salicornioides 
Joints only slightly narrowed below or not narrowed. 
Joints clavate. 2.0... 6... cece cece eee ee eee e tence eee ete nee neeeeeeaes 2. H. bambusoides 
Joints cylindric... 1... eect cece teen eet e eee esseseeesenenan 3. H. cylindrica 
1. Hatiora salicornioides (Haworth) Britton and Rose, Stand. Cycl. Hort. Bailey 3: 1433. 1915. 
Rhipsalis salicornoides Haworth, Suppl. Pl. Succ. 83. 1819. 
Cactus salicornioides* Link and Otto, Icon. Pl. Select. 49. 1822. 
Cactus lyratus Vellozo, Fl. Flum. ed. 2. 4: 205. 1825. 
Hariota salicornioides De Candolle, Mém. Cact. 23. 1834. 
Rhipsalts salicornioides strictior Salm-Dyck, Cact. Hort. Dyck. 1849. 230. 1850. 
Hariota salicornioides strictior Giirke, Bliihende Kakteen 2: under pl. 95. 1907. 
Stems 1 to 2 meters long with a jointed cylindric trunk; branchlets club-shaped, the lower part 
very slender and pedicel-like, 1.5 to 3 cm. long, green or purplish; areoles of cultivated specimens 
without setae; flowers 8 to 10 mm. long, 
salmon-colored, the outer sepals short 
and obtuse; inner petals somewhat cre- 
nate, obtuse; filaments yellowish, at top 
appressed against style, shorter than 
petals; style yellowish; stigma-lobes 4 or 
5, white. 
Type locality: Recorded origi- 
nally from the West Indies in error. 
Distribution: Southeast Brazil. 
These plants grow quite differ- 
ently in the woods from the way they 
do in greenhouses. The following 
note was made by Dr. Rose in 1915 
while collecting at Rio de Janeiro: 
The plant grows on trunks of trees, 
its roots long and fibrous, 4 dm. long or 
more and wrapped about the trunk of 
the tree; at first it is erect, then spreading 
and finally pendent; it is then a meter 
long or more and very much branched; ee 
main stem and branches 5 to 10 mm. in diameter, made up of short terete joints (2 to 5 cm. long); 
branches in whorls of 2 to 6. 
A very remarkable form, if not a distinct species, was obtained by Dr. Rose in the 
forest-of Itatiaya, altitude 1,200 meters, in July 1915 (No. 20585). The terminal joints 
are 1 to 2 cm. long, the lower half slender, pedicel-like, the upper half twisted and contorted. 
This is well shown in our illustration (figure 219). 
Rhipsalis salicornioides gracilior (Salm-Dyck, Cact. Hort. Dyck. 1844. 40. 1845; Hari- 
ota salicornioides gracilior Giirke, Bliihende Kakteen. 2: under pl. 95. 1907) is only a name. 
The following varieties of Rhipsalis salicornioides of Weber are probably to be referred 
here: var. gracilis Weber (Dict. Hort. Bois 1048. 1898; Rhipsalis gracilis Weber and 
Hariota gracilis Weber, Dict. Hort. Bois 1048. 1898) and var. stricta Weber (Dict. Hort. 
Bois 1048. 1898; Rhipsalis stricta Cels, Dict. Hort. Bois 1048. 1898). The name Rhipsalis 
stricta seems never to have been published. Weber cited it as above, referring it to Cels as 
the author. Schumann uses the name earlier where he states that 1t was used in France 
for Hariota salicornioides (Monatsschr. Kakteenk. 4: 74. 1894). Pfeiffer refers here asa 
synonym Opuntia salicornioides (Enum. Cact. 141. 1837), attributing the name to Sprengel, 
who, however, used it as Cactus (Opuntia) salicornioides. Hariota sticta has been used 
(Monatssch. Kakteenk. 5: 22. 1895). The variety ramosior Salm-Dyck (Pfeiffer, Enum. 
Cact. 142. 1837) may or may not belong to this species. 
* This name is often credited to Sprengel (Syst. 2: 497. 1825). 
Fic. 219.—Unusual form of Hatiora salicornioides. XX 0.8. 
