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77. RUBIACE.^. [17. Canthium. 



3. C. liberica, Bull. Liberian Coffee. 



A stouter bush or small tree with stiffer less distichous leaves and 

 less handsome. Leaves 7-8" long- elliptic-oblong or elliptic-oblanceo- 

 late, stipules obtuse, not cuspidate. The flowers are mostly solitary 

 at the croAvded nodes subtended by a double calyculus (connate 

 bracteoles). Corolla-tube •2-25". Petals often 7-8 oblong •4-'6". 

 Drupe purple, •75-1" long. 



Occasionally cultivated. Fl. March. A native of Guinea. 



Base of leaf cuneate on a petiole "o-l" lonjr, sec. n. 6-10 with larg-e gland-pits at 

 the base of most of them, pits usually surrounded by a ring of pubescence. The 

 buds and twigs are in my specimens covered with a resinous deposit as in 

 Gardeina, 



17. CANTHIUM, iaiuA. 



(Plectronia, L., in part, and the name adopted in some works.) 

 Shrubs or small trees, sometimes armed Avith axillary thorns. 

 Leaves with nerve-axils often glandular. Stipules connate. Fls. 

 small in axillary fascicles or corymbose cymes, white or greenish, 

 sometimes polygamous. Hypanthium and calyx short, 4-o-toothed. 

 Corolla usually globose or urceolate, sometimes companulate or 

 funnel-shaped, a ring of deflexed hairs within and throat villous, lobes 

 small, 4-5, valvate. Anthers 4-5, subsessile on the throat or mouth. 

 Ovary 2-celled, style stout, stigma large. Ovules 1 pendulous in each 

 cell. Drupe globose or didymous with 2 pyrenes or 2- celled putamen, 

 or one carpel sometimes suppressed and then oblong or reniform 

 Seed oblong. Embryo long with short cotyledons. 



I. Trees or large shrubs without thorns. Leaves over 3o" long. 



Trunk straight erect. L. 5-9". Cymes glabrous. Fr. '8" . I. glabriim. 



Branches low. L. i-6". Cymes dense pubescent. Fr. *3'' . 2. didymum. 

 II. Shrubs with copious axillary thorns. Leaves under 3"5" long. 



Leaves glabrous. Flowers 4-merous 3. parviflorum. 



Leaves pubescent. Flowers 5-merous 4. pa rvi folium. 



1. C, glabrum, Blame. Ranisera, Or. 



A small or m.s. tree with spreading green branches and spreading- 

 bifarious dai-k green leaves 5-8'5" long, ovate- or oblong-lanceolate or 

 elliptic, qiiite giabrovis, tapering or suddenly acuminate, base rounded 

 or cuneate on the petiole, sec. n. 5-7, some with pit-glands in their 

 axils, tertiaries obscure. Petiole S-o". Stipules with broad 

 thickened base and a subulate keel ending in a sharp acumen, about 

 "2" long. Cymes shortly-peduncled, 1-2" long and broad in fruit, 

 glabrous and rather lax. Fls. (not seen in my specimens) 5-merous, 

 pedicelled. Fruit globose green "8-1" with a conspicuous areole 25" 

 diam. on top, and two one-seeded pyrenes, triangular in ti'ansverse 

 section. 



Mais of Orissa, 2000 ft. in valleys ! Fl. probably r.s. Fr, Dec-Jan. Ever- 

 green. 



Trunk straight with smooth bai-k, blaze finely striated red and yellow. L. some- 

 times 9" by 5", paler beneath, base decurrent as a ridge either side of petiole. 

 Peduncle about 'S-'S", pedicels (in fr.) "3". Corolla-tube sub-globose, "08", lobes as 

 long. Stigma mitriform notched. 



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