HARRISIA. 



149 



1. Harrisia eriophora (Pfeiffer) Britton, Bull. Torr. Club 35: 562. 1908. * 



(?) Cereus cubensis Zuccarini in Seitz, Allg. Gartenz. 2: 244. 1834. 

 Cereus eriophonis Pfeiffer, Enum. Cact. 94. 1837. 



Plant 3.5 dm. high or less, the young joints bright green, the main stem 4 cm. in diameter or 

 more, the branches nearly as thick, erect or ascending, 8 or g-ribbed, the ribs prominent, the depres- 

 sions between them rather deep; areoles 2 to 4 cm. apart; spines 6 to 9, the longer ones 2.5 to 4 cm. 

 long, light brown with nearly black tips; buds ovoid, sharp-pointed, their scales subtending tufts of 

 bright white-woolly hairs i to 1.5 cm. long; flowers 12 to 18 cm. long; scales of the tube lanceolate, 

 acuminate, appressed, i to 1.5 cm. long, subtending long white hairs; outer perianth-segments pale 

 pink outside, the outermost greenish; inner segments pure white, tipped with a hair-like cusp 5 mm. 

 long; filaments white; anthers oblong, yellow; pistil cream-colored; fruit subglobose, yellow, about 

 6 cm. in diameter, edible. 



Type locality: Cuba. 



Distribution: Central and western Cuba and Isle of Pines. 



The names Cereus eriophorus lactcviridis and C. repandus laetevirens (Salm-Dyck, Hort. 

 Dyck. 335. 1834), both unpublished, may belong here. 



The flower-buds, copiously covered with bright white wool, are conspicuous. 



Plants grown in the Habana Botanical Garden, formerly referred to Cereus undatus 

 (Bull. Torr. Club 35:564), apparently belong to this species. 



Illustration: Pfeiffer and Otto, Abbild. Beschr. Cact. i: pi. 22, as Cereus eriophorus. 



Plate xvni, figure i, shows the flower of a plant from Mariel, Cuba, painted at the 

 New York Botanical Garden, July 12, 1912 ; figure 2 shows a fruiting branch of a plant sent 

 by C. F. Baker in 1907. Figure 215 is from a photograph taken by C. S. Gager at Mariel, 

 Cuba, in 1910. 



FIG. 216. Harrisia fragrans. 



2. Harrisia fragrans Small, sp. nov. 



Plants 5 meters tall or less, the stems erect, reclining or clambering prominently, loto 12 -ridged, 

 the ridges more or less depressed between the areoles, the grooves rather deep and sharp; areoles 

 about 2 cm. apart; spines acicular, 9 to 13 in each areole, mostly grayish and yellowish at the tip, 

 one of each areole longer than the others, mostly 2 to 4 cm. long; young buds copiously white-hairy; 

 flowers 12 to 20 cm. long, odorous; ovary bearing subulate or lanceolate-subulate scales subtending 

 long white hairs; scales of the flower- tube few and remote, subulate, slenderly acuminate, not turgid, 



