Caryopteris.'] vekbenace^. 269 



fringed. Nuts hispid outside. — Bnrhula slnensh, Lour. Fl. Cooliinoli. 3(57. 

 Mastacanthns .sinemis, Lindl. Bot. Keg. 181-6, t. 2. 



In ravines of the Black Moimtaiu, Chaynpion, Ilance. Also on the adjacent coul incut, 

 and northward to Chusan, but not known out of China. 



4. PREMNA, Linn. 



Calyx truncate or sinuately toothed. Corolla-tube short ; the limb spread- 

 ing, of 4 or rarely 5 lobes, nearly equal or slightly 2-lipped. Stamens 4, 

 shorter than the corolla or rarely exserted. Ovary 4-celled, ovules penchilous 

 or laterally attached. Style mth 2 acute stigmatic lobes. Fruit a di-H])e, 

 with a 4-celled kernel. — Shrubs or trees. Flowers small, in terminal triclioto- 

 mous panicles, or in opposite cymes or clusters, forming a spike-like thyrsus. 



A genus rather numerous in species, limited to the tropical and subtropical regions of the 

 Old ^Vorld, but extending to North Australia and the Pacific Islands. 



1. P. serratifolia, Linn. ; ScJiau. in DC. Prod. xi. 632. A tree, eitlier 

 quite glabrous or with a slight pubescence on the young shoots and inflo- 

 rescence ; the old stems said to be thorny. Leaves ovate or oval-oblong, 2 to 

 4 in. long, obtuse or acuminate, entire or with a few coarse obtuse tcetli, 

 rounded or cordate at the base. Flowers small, greenish-yellow, in dense ter- 

 minal trichotomous cymes or corymbose panicles. Calyx truncate. Stamens 

 slightly exserted. 



Near the seacoast, Champion, Wright. Common on the seacoasts of tropic;il Asia. 



5. CALLICABPA, Linn. 



Calyx truncate or 4- (rarely 5-) toothed. Corolla with a short tube, the 

 limb 4-lobed (rarely 5-lobed), nearly regular. Stamens 4 (rarely 5), ex- 

 serted. Ovaiy 4-celled, ovules pendulous or laterally attached. Style dilated 

 and truncate at the top or rai'ely shortly and obtusely 2-lobed. Fruit a small 

 juicy berry or di"upe, with 4 distinct seed-like nuts or kernels. — Shrui)s, rarely 

 undershrubs, more or less cottony or wooUy with stellate hairs, or rarely 

 glabrous, and often with numerous resinous glandular dots, especially on the 

 under side of the leaves. Flowers small, in axillary cymes. 



A considerable tropical and subtropical genus, chiefly Asiatic, with a few African or 

 American species. 



Calyx-teeth long, subulate. Flowers in small deusc globular heads, on 



the short branches of the cymes \. C. touientosa. 



Calyx truncate, or the teeth shorter than the tube. Flowers loosely 

 cymose to the last. 

 Leaves very floccose or woolly underneath. 

 Calyx hairy or tonientose. 



Leaves toothed 2. C. macrophijUa. 



Leaves quite entire 3. C. iiifeg,'rriiti,i. 



Calyx glabrous 4. C. R^'evesii. 



Leaves green on both sides or slightly floccose underneath. 



Leaves glabrous above, narrowed or rarely rouiuled at the base . h. C. loiKiifoVui. 

 Leaves sprinkled with hairs on the upper side, cordate at the base 6. C. rubfUa. 



1. G. tomentosa, Willd. ; Schnu. iu DC. Prod, xi. 647. A tall shrub 

 or small tree ; the branches, petioles, and inflorescence thickly clothed with a 



