58. THE GENUS PHORADENDRON 
Spikes long, with large scales. 
POLYGYNAE. 
Leaves heavy-nerved, fleshy. 
Laneeolate. Mexican. NERVOSAE. 
Dimidiate. Andean. OBLIQUAE. 
Leaves sharply nerved. 
Stem 4-angled or winged. AMPLECTENTES. 
Stem flattened or ancipital. 
Leaves elliptical-dimidiate. 
DIMIDIATAE. 
Leaves lance-ovate, thin. ANDINAE. 
Stem terete. ENSIFOLIAE. 
Leaves clasping except in two species, thin and sharply nerved : stem 
2- or 4-winged and acutely angled: flowers in 6 series, exception- 
ally fewer or more. AMPLECTENTES. 
Tomentose throughout. South American. ANOMALAE. 
9. ANNULATAE. 
Leaves elongated or narrow, rather thick though nerved from the 
base. Shoots 2-edged for a time. Cataphyls a single pair on the basal 
joint only. Flowers mostly in 4 series. Fruit warty. Southern Mexico 
and Central America. 
Leaves relatively broad (1.5-2.5 em). 
Petiolar contraction slender. 
Leaves broadest below the middle. Р. annulatum. 
„Leaves broadest about the middle. P. multiflorum. 
Leaves euneately subsessile. P. amplifolium. 
Leaves narrow ( .4-.8 em.). P. carneum. 
PHORADENDRON ANNULATUM Oliver. 
Phoradendron annulatum Oliver, Vidensk. Meddel. Naturhist. Foren. 
Kjóbenhavn. 1864. p. 176. 
Phoradendrum annulatum Urban, Bot. Jahrb. vol. 23. Beibl. 57. p. 3. 
1897. 
Not forked but more or less pseudodichotomous from the falling of 
one lateral branch at a node, the rather long and stout branches with 
basal eataphyls only, dioecious?. Internodes moderate (3-4x35-50 mm.), 
somewhat resinous-dotted like the foliage, 2-edged or at first somewhat 
quadrate becoming terete. Cataphyls a single pair, basal, somewhat 
tubular, white-margined. Leaves lanceolate, obtuse to acute, 1.5-2x10-12 
em., euneately contracted into a slender petiole 1-2x10 mm. Spikes 
mostly solitary, moderate (30 mm. in fruit), smooth, with about 4 clavate 
joints 12-18-flowered in 4 or 4+2 series when pistillate: peduncle 3 mm. 
