100 FLORA OF JAMAICA Phorademlron 



10. P. flavens Grheh. Fl. Br. W. Ind. 313 (1860); branches 

 long, terete ; scale-sheaths 2 on the lowest internode, one above 

 the base, another about the middle, solitary on the other 

 internodes, 7-15 mm. above the base; leaves 5-(7)-nerved, ovate 

 or oval-elliptical or elliptical-oblong ; spikes at length 3-5 cm. 1., 

 5-6-jointed ; flowers in 6 rows, 24-32 in each joint, the highest 

 male, the rest female. Urh. in Eik/L Bot. Jahrh. xxiv. 50. 

 Viscum flavens Sw. Prodr. 32 (1788) i Fl. Lid. Occ. 266 (excl. 

 syn. Plum. A: Aubl.) ; DC. Prodr. iv. 282 (in part). V. macro- 

 phyllum Macf. Jam. ii. 195 (1850) (non Sp'eng.). Type in Herb. 

 Stockholm. 



Swartz ; Macfadyenl Westmoreland; Manchester; Purdiel Morse's 

 Gap, 6000 ft. ; Harris ! St. George, 1^7?^^ ! Fl. Jam. 6203, 6219. Growing on 

 Guarea trichilioides. Dominica, St. Vincent, Grenada, Trinidad, tropical 

 America. 



Leaves 6-15 cm. 1., 2-7 cm. br., shortly acuminate, narrowed into a 

 petiole-like base. Spikes 1 or several in the axils. Berries white or 

 yellow, ovoid. 



5. DENDROPHTHORA Eichl. 



Shrubs ; branches articulated at the nodes. Leaves (in the 

 Jamaican species) reduced to minute scales, or wanting. Spikes 

 axillary or terminal, articulated, with 2 minute bracts at each 

 joint. Flowers solitary or several on each side of a joint, usually 

 superposed in 2 rows (4 sometimes), dioecious or monoecious, 

 more or less immersed in the rhachis. Male flower : petals 3, 

 united at base ; anthers sessile, opposite the petals, transverse, 

 cells confluent dehiscing by a single chink. Female flower : 

 petals 3 ; ovary inferior. Berry crowned by the minute petals. 

 Seed with a small embryo enclosed in copious endosperm. 



Species about 42, natives of West Indies and tropical 

 America. 



Dioecious ; internodes more or less compressed. 



Plant light green ; internodes flattened, phyllode-like 1. D. monstrosa. 



Plant dark green ; internodes more or less flattened, 



inferior often terete 2. D. opuntioides. 



Monoecious; all the internodes terete 3. D.cupressoides. 



1 . D. monstrosa nom. nov. ; dioecious ; all the internodes 

 flattened, phyllode-like, oblong-linear with rounded apex, some- 

 times becoming cuneate, 5-2 cm. 1. to 2 cm. br. ; male flowers 

 10-24 in each joint in 28 rows ; female flowers in 2 rows, 2-6 

 in each joint. D. opuntioides Eichl. in Fl. Bras. v. pt. 2, 102 

 (1868); Urh. in Engl. Bot. Jahrh. xxiv. 55 (1897); York in J. 

 Hoph. Univ. Circ. (reprint) 39 (1912) ; (non L.). Viscum opun- 

 tioides DC. Prodr. iv. 284 (1830). V. monstrosum Bert. 3IS. in 

 DC. loc. cit. (nom. ined.). Arceuthobium opuntioides Griseh. FL 

 Br. W. Ind. 315 (1860). 



