330 RUBIACEiE. 



lAndl. (who compared Aublet's specimen). M. cospidata, Better. , Seem. I M. havanenais, 

 Kth. — Corolla pale-crimson, 6'" long. — Hab. Jamaica !, td., rare, Manchester ; S. Vincent I, 

 GwUd. ; Trinidad !, Lockh., Or., in ravines and on hills ; [Cuba I and Mexico ! to Venezuela ! 

 and Guiana]. 



67. M. calycosa, Gr. (». sp.). Stem hispidulous on the angles, glabrescent ; leaves ovate, 

 acuminate, chartaceoas, glabrous, or hispidulous on the midrib beneath : stipules deltoid, den- 

 ticulate ; cymes many- or few-flowered, subsessile ; pedicels exceeding the petiole, or at length 

 elongated ; calyx-lobes 4-5, ovate or ovate-lanceolate, pointed, devoid of alternating teeth ; 

 corolla-tube cyUndrical, clavate at the top, somewhat hairy within and on the outside : lobes 

 ovate, pointed ; anthers oblong-linear, included; seeds surrounded by a broad, denticulate 

 wing. — M. Gcertneri, DC. (G. carpal, t. 197. f. 5), seems to be a related species, but has 

 narrow calyx-lobes. Leaves of the preceding ; calyx-lobes 2"'-3"' long, spreading, usually 

 2'" broad at the base ; corolla red, 8''' long. — Hab. Bominica !, Imr., in the mountains : a 

 form with ovate-lanceolate calyx-lobes ; [Haiti I, Venezuela !, Fendl. 588]. 



26. RHACHICALLIS, DC. 



Calyx-linib 4-partite, often with accessory teeth between the segments. Corolla salvet- 

 shaped : lobes 4, imbricative. Stamens included, inserted below the corolla-throat. Stigma 

 2 -fid. Capsule loculicide : seeds wingless. — Low, diffuse, narrow-leaved shrubs ; leaves 

 jleshy, farrowed on the hack ; stipules sheathing ; flowers solitary, sessile. 



68. R. rupestris, DC. Leaves approximate-decussate, surrounded at the base by the 

 stipular sheath, oblong, pointed,- shining: stipules broadly deltoid, mucronate, ciliate; flowers 

 axillary j calyx-segments linear, alternating with as many teeth ; corolla villous. — SI. t. 202. 



/. 1 ; Jacq. Jmer. Pict. t. 18. — Hedyotis americaua, Jacq. H. rupestris, Sw. Buchnera, 

 Sw.—^'-W high : branchlets thickened : leaves 2"'-4"' long : stipules brown, marcescent ; 

 corolla yellow, 3'" long. — Hab. Bahamas !, Swains., on maritime rocks ; Jamaica !, Fd., 

 along the coast of S. Anns ; [Cuba !, Neveza ; Bermudas (/Sw.)]. 



SuBTEiBE 7. HBBYOTEM—Corolla-lohes valvate. Fruit dry, Z-celled.—Stipiaea con- 

 necting the petioles, usually divided into bristles. Stem herbaceous. 



27. OLDENLANDIA, L. 



Calyx-teeth 4, distant on the fruit. Corolla short, infundibular or rotate : lobes valvate. 

 Stamens inserted into or near the corolla-throat (or dioeoiously near the caroUa-base). C«/w»fe 

 thin, loculicide at the top : seeds minute, angular, not hollowed.— Peduncles usually filiform. 



69. O. corymbosa, L. Annual, glabrous or glabrescent! stem slender, branched; 

 leaves lanceolate or linear, 1-nerved, tapering into the sheath : stipular bristles about 3 ; pe- 

 dicels 5-2, filiform, umbellate or corymbose, usually shorter than the peduncle, or fascicled 

 (if the peduncle is wanting); eorolla-loies as long as the tube; anthers ovoid; capsule trun- 

 cate, subglobose : teeth lanoeolate,>uminate.— i)ew. Fl. 1. 1. 50 (exclus. rarfice).— Hedyotis 

 Burmauuiana in .- the East Indian form with 3-l.flowered peduncles.— Leaves 1", corolla 

 1 seeds i'" long; flowers white.— Hab. Jamaica I, At, a weed in cane-fields ; S. Kitts I, 

 Els., Domimca Jy., S W„t 1, ff^arf. ,- Trinidad ! ; [Martinique!. &eb. Mt. 46 

 Guiaua 1 to Brazil ! ; trop. Africa ! ; East Indies I]. i- i . • 



70. O. herbaeea, i)C. Annual, glabrous ;, stem slender, flaccid ; leaves hmceolate or 

 inear-lanoeolate, acununate, 1-nerved : stipular bristles several, or reduced; pedicels subso- 



htary, filiform, usually exceeded by the leaves; corolla-lobes half as long as the tube; an- 

 ■ Bf"J"';S^ ^^°*J'I"^^A^'""'^T''^°*^* *' the commissure : teeth lanceolate, acumiuate.- 

 Rheed. Mai. t. 35-0. tenmfoha, Forst. I Hedyotis Heynii, 5r.-Leaves l"-2" long, longer 

 and broader in the West Indian than in the common East Indian form; pedicels I'" lone. 

 My West Indian specimens have lost their corolla.-HAB. Trinidad I, Fd, Or., alone rivu- 

 lets ; [Haiti I, Portonco 1 ; Mexico I to Brazil I ; Pacific islands I ; East Indies l1 



