RUBIACEJE. 351 



pubescent at the summit ; leaves oblong or lanceolate ; flower-whorls aud heads mauy- 

 tiowered ; 2 segments of the calyx-limb rigid, subulate-lanceolate, longer than the capsule, 2 

 shorter; seeds oval, \-lobed by the cross-shaped furroro. — Jacq. Ic. Mar. t. 308. — Sper- 

 macoce hirta, Jacq. {non Sw.). S. villosa, Sur. — Habit of Borrera parviflora.—\\h~R. Ja- 

 maica!,-^/., Wils., Wullschl.; Dominica!, Imr.; S.Vincent!, Guild.; [Cuba! and Mexico! 

 to Ecuador I and Venezuela !]. 



57. RICHARDSONIA, Kth. 



Calyx-limb 6-4 (-7-3) -partite, deciduous. Corolla infundibular : lobes 6-4(-3)-valvate. 

 Stigma 3-4-fid. Fruit 3-4-coccous : cocci indehiscent, furrowed on the inner side, at length 

 concrete with the seed. — Diffuse, pubescent herbs ; flowers in terminal heads : involucre 

 4-leaved. 



170. R. scabra, L. {sub Richardia). Stem pilose; leaves lanceolate-oblong or ellip- 

 tical rstipular bristles as long as or shorter than their sheath; heads many -flowered : calyx- 

 lobes 6,foliaceous, ovate-deltoid, as long as the truncatc-obovate, muricate 3 (-4) carpids. — 

 S. Hil. PI. Us. t. 8. — Our form flowers from the first year ; corolla white, 6-lobed; stamens 

 exserted. — Hab. Jamaica !, Mac/., March ; [Mexico ! to Brazil !]. 



58. PERAMA, Aubl. 



Calyx-limb 2-partite, persistent on the valves. Corolla infundibular : lobes 4-5, valvate. 

 Style filiform, subentire. Capsule 3-celled, obliquely 2-valved, septicide on one, loculicide 

 on the other side, with the dissepiment persistent : seeds triquetrous. — Annual, slender herbs ; 

 leaves opposite or ternate, sessile, palmatinerved : stipules obsolete; flowers in terminal 

 peduncled heads, 



171. P. hirsuta, Aubl. Hispid with scattered hairs; stem divided above into pedun- 

 cles, or simple ; leaves opposite, ovate-lanceolate, acuminate, uppermost lanceolate ; flower- 

 heads ovoid ; calyx-teeth rigid, subulate-linear, as long as the corolla-tube, much longer than 

 the valves; corolla-lobes 4, pointed. — Aubl. t. 18. — Spithameous, leafy below the middle; 

 leaves 3'" long; corolla yellow.— Hab. Trinidad!, Lockh.,Pd., Cr., in savannahs ; [Vene- 

 zuela!, Guiana!, Brazil!]. 



59. EMMEORRHIZA, Pohl. 



Calyx-limb 4-partite, persistent. Corolla rotate : segments 4, valvate. Stigma 2-fid. 

 Fruit dicoccous : cocci dehiscent along the inner surface : seeds subcompressed, wholly adnate 

 to the loose part of the membranaceous dissepiment, which projects on both ends like a tail. 

 — A scandent, Buffrutescent, glabrous herb ; flowers in terminal, panicled umbels. 



172. E. brasiliensis, Pohl. Habit of Galium ; leaves oblong-lanceolate, acuminate, 

 petioled, 2"-l£" long: stipular bristles shorter than their produced sheath; calyx-lobes 

 lanceolate; capsule clavate, V" long. — Hab. Trinidad!, Lockh., Cr., in the northern hills, 

 Fort Scorge, S. Anns ; [Venezuela !, New Granada !, Peru !, Brazil ! to S. Katheriue !]. 



Subtbibe 8. STELLATAZ. — Character of Spermacocca;, but leaves whorled, exstipulate. 

 Pericarp dry or baccate. 



60. GALIUM, L. 



Calyx-limb obsolete. Corolla rotate : segments 4(-3), valvate. Anthers ovoid-globose. 

 Stigmas globose. Fruit didymous. Albumen cartilaginous. 



Sect. Relbunium, Endl. Fruit baccate. — Perennial herbs ; inflorescence axillary i 

 pedicels bearing a 4-leaved involuce at the summit. 

 173. Q. hypocarpium, Endl. Diffuse, pilose or glabrescent; leaves 4 in the whorl, 

 oval-oblong, or lanceolate-oblong, 1-nerved ; pedicels single, exceeded by the leaves : flowers 

 yellow, supported by the elliptical involucel-leaves. — Valantia, L. Rubia, DC. R. guade- 

 lupensis, Spr. ■. a glabrescent form, with larger, scabrous -ciliate leaves. — 1 '-6' high; leaves 

 3-4'" long; berry hairy (or glabrescent), IY" broad. — Hab. Jamaica!, all coll., a common 

 weed in the mountains, e.g. S. Anns, at 4000' alt. ; Dominica !, Imr. ; [Haiti !, Guadeloupe ! ; 

 Costarica, Veuczucla !]. 



