140 ^ FLORA OP MANILA 



surface glabrous, the lower s\irface often pilose, the sheaths ciliate with 

 long, softj brownish hairs, the leaves of the lateral branches often smaller 

 than those on the main stem. Flowers blue, terminal, solitary, sessile or 

 nearly so. Sepals about 4 mm long. Filaments bearded. 



In damp ravines opposite Fort McKinley, fl. Oct.-Nov.; not uncommon 

 in the Philippines. Malay Archipelago. 



2. C. cristata (L.) Schultes f. 



A succulent, prostrate, glabrous or somewhat hairy, much branched herb, 

 the stems often purplish, rooting at the lower nodes, the branches ascending, 

 15 to 40 cm high. Leaves distant, ovate to ovate-oblong, sessile, fleshy, 

 acute or obtuse, 3 to 5 cm long. Inflorescence enclosed in a series of 

 2-seriate, falcate, imbricate bracteoles, about one flower opening at a time, 

 the bracteoles Crowded^ 1 to 1.5 cm long. Sepals lanceolate, green, haii-y, 

 4 to 5 mm long. Corolla blue, 8 mm long, the filaments prominently bearded 

 with blue hairs above. (Fl. Filip. pi. 83.) 



In open waste places, occasional, fl. Sept.-Feb.; throughout the Philip- 

 pines. Tropical Africa, Asia, and Malaya. 



3. C. axillaris (L.) R. & S. 



A succulent, prostrate, somewhat branched, glabrous plant, the stems 

 about 5 mm thick, 20 to 40 cm long, rooting at the nodes. Leaves lanceolate, 

 4 to 11 cm long, 6 to 12 mm wide. Flowers several in each leaf-axil, only 

 one opening at a time, the bracteoles small, not imbricating. Calyx pale- 

 greenish. Corolla purplish, the petals long-clawed, limb 5 to 6 mm long. 



In open waste places, cultivated lands, etc., fl. all the year; throughout 

 the Philippines. India to China, Malaya, and Australia. 



5. ZEBRINA Schnizlein 



Decumbent, spreading or pendulous, branched herbs, slightly pilose. 

 Leaves oblong to ovate, variegated, base sheating. Flowers several to 

 many, more or less crowded between the two terminal somewhat bract-like 

 leaves. Calyx of 3 sepals connate into a cylindric tube. Petals 3, connate 

 into a slender tube longer than the calyx, the limbs spreading, ovate to 

 lanceolate. Stamens 6, equal, inserted on the throat of the corolla-tube. 

 Capsule 3-celled, on a short recurved peduncle, the seeds 1 or 2 in each 

 cell. (From the striped leaves.) 



Species 2 or. 3 in Texas and Mexico, 1 vndely cultivated, introduced in 

 the Philippines. 



1. Z. PENDUiiA Schnizl. Wandering Jew. 



Stems rather slender, branched, spreading or pendulous, up to 1 m long, 

 glabrous or somewhat hairy on one side. Leaves elliptic-ovate to oblong- 

 ovate, acute, 3 to 9 cm long, the upper surface with grayish-green and 

 purple longitudinal stripes, the lower surface purple, base sheathing, villous. 

 Flowers glomerate between the 2 terminal, somewhat bract-like leaves. 

 Calyx about 6 mm long. Corolla-tube very slender, nearly 1 cm long, the 

 lobes oblong, pink-purple, 6 to 7 mm long. 



Cultivated, fl. at intervals; occasionally t;.-._^ped from cultivation in- Ma- 

 nila, and naturalized in some provinces. A native of Mexico, now widely 

 cultivated, but apparently of comparatively recent introduction in the 

 Philippines. 



