224. XXXVI. GOBNACEAE. [Corokia. 



Genera, 12. Species, 80. Sparingly distributed through the temperate regions of both hemi- 

 spheres, but most frequent in the northern. 



1. GoEOKiA. Leaves white with silky pubescence beneath. Flowers perfect. 



2. Gkiselinia. Leaves glabrous. Flowers unisexual. 



1. COROKIA, A. Cunn. 



Calyx-tube turbinate^ 5-toothed, valvate in bud. Petals 5, valvate, a 

 small scale at the base of each, silky on the outer surface. Stamens 5 ; fila- 

 ments short. Ovary 1— 2-celled; ovules solitary; style short; stigma ovoid or 

 almost capitate, 2-lobed. Drupe broadly oblong, ovoid or globose, iin.— iiu. 

 long, crowned with the persistent calyx-teeth, 1-celled, 1-seeded. Endosperm 

 fleshy; embryo elongate. Evergreen shrubs, with straight or tortuous branches 

 and black bark. Leaves silky, pubescent below. Flowers yellow, in axillary 

 or terminal cymes, racemes, or panicles. 



The genus comprises 3 species, endemic in New Zealand and the Chatham Islands. Name, a 

 modification of the Maori korokia. 



Flowers in slender terminal panicles . . . . . . . . . . 1. C. buddleioides. 



Flowers in axillary racemes . . . . . . . . . . . . 2. C. macrocarpa. 



Flowers in small axillary cymes or fascicles . . . . . . . . 3. C. Cotoneaster. 



i. C. buddleioides, A. Cunn., Precurs. n. 579. A much-branched 

 shrub, 6ft.— 12ft. high. Branches slender. Leaves altei;nate, narrow-lanceolate, 

 acuminate, 3in.— 6in. long, iin. broad; petioles short, silky, pubescent beneath. 

 Panicles very slender, terminal, leafy at the base. Flowers numerous, yellow. 

 Pedicels very slender, silky, longer than the petioles. Drupe ovoid, orange-red, 

 iin. long.— Hook., Ic. PI. t. 424; Hook. f.,Fl. N.Z. i. 98; Handbk. 106. 



NOBTH Island : Auckland : Mangonui to the East Cape. Ascends to 2,000ft. Korokia- 

 taranga. Deo. 



2. C. macrocarpa, n. s. Erect, with spreading rather robust branches, 

 15ft.— 20ft. high. Leaves oblong-lanceolate or broadly oblong-lanceolate, Iin.— 

 22in. long, fin.-liin. broad, acute subacute or apiculate, coriaceous, narrowed 

 into a short petiole, densely silky, tomentose beneath. Flowers in axillary 

 racemes, shorter than the leaves. Rhachis, pedicels, and calyx silky, tomentose. 

 Pedicels shorter than the petioles. Petals linear-acute. Drupe large, fullv 

 Jin. long, broadly oblong, red. — C. buddleioides, var. fi, Hook, f., Fl. N.Z. i. 98 ; 

 F. Muell., Veg. Ohath. Isds. 16. 



CHATHAM Islands, Dieffenbach, Gilbert Mair ! H. Travers ! Cox! Whakataka. Hokotaka. 



Mr. Cox sends a sterile shoot with oblong obtuse membramius leaves Gin. long and nearly 

 2in. broad, evidently grown in the shade. 



3. C. Cotoneaster, Raoul, Ann. Sc. Nat. ii. (1844) 120 ; Choix. 22, 

 f. 20. A much-branched shrub, 3ft.-8ft. high, with tortuous black interlacing 

 branches. Leaves alternate or fascicled, Ain.— Iin. long, orbicular obovate or 

 oblong-ovate, emarginate or obcordate, abruptly narrowed into the short flat 



