Spermacocec. ] is LXXXIV. RUBIACEJE. 2 143 
conna&e, persistentes. Flores axillares, solitarii, sessiles, lutescentes. Drupa parva, 
lutea. 
Species 1, Floride et insularum Indis occidentalisincola. —Griseb. Fl. Brit. W. Ind. 347.  Gerin. 
F'ruct. ii. t. 196. A. Rich. in Mem. Soc. Hist. Nat. Par. v. t. 15, f. 2. : 
313. Triodon, DC. Prod. iv. D66.—Calycis tubus turbinatus, limbus 2—4-dentatus, 
dentibus zqualibus v. ingequalibus coriaceis, denticulis nonnullis interjectis, persistens. 
Corolla infundibularis, tubo brevi, fauce glabra v. hirsuta ; limbi lobi 4, breves, erecti v. 
recurvi, valvati. Stamina 4, ori v. fauci corolle inserta, discs bwvibns subulatis ; 
antherz dorso prope basin affüxe, breves, apicibus exsertis. Discus inconspicuus. 
Ovarium 2-loculare; stylus brevis, ramis 2 linearibus obtusis hirtis apicibus exsertis ; 
ovula in loculis solitaria, septo peltatim affixa, amphitropa. Fructus minutns, ob- 
conicus obeordatus v. hemisphsericus, teres v. a latere compressus, 2-eoccus; cocci 
Chartacei ab axi persistente brevi v. elongato apice sspe 3-dentato interdum obsoleto 
soluti, indehiscentes, l-spermi. Semina oblonga, plano-convexa, umbilico ventrali, facie . 
longitudinaliter suleata, testa membranacea, albumine dense carnoso; embryo axilis, 
cotyledonibus foliaceis, radicula tereti infera.—Fruticuli ramosissimi, glabri v. pube- 
rulij ramulis tetragonis virgatis. Folia parva, opposita v. spurie verticillata, elliptica 
oblonga v. linearia. Stipul» in vaginam brevem longe ciliatam cum petiolis connatz, 
persistentes. Flores minuti, apices versus ramulorum in glomerulos axillares conferti - 
subspicati, v. in cymas terminales dispositi, bracteis subulatis immixti. 
Species ad 6, Amerieze tropieze incole. —Wa/p. Hep. vi. 30. Genus habitu distinctum, cui maxime 
affinis est Borrera thymifolia, Grisob. etsi flores axillares et stipulae truncatze. 
314. Diodia, Linn. Gen. n. 122.— Calycis tubus obconicus ovoideus v. obovoideus; 
limbi dentes v. lobi 2-4, rarius 5-6, denticulis interdum interjectis, persistentes. 
Corolla infundibularis, tubo brevi v. elongato, fauce glabra v. villosa; limbi lobi 
4, rarius 5-6, breves, ovato-triangulares, valvati. Stamina 4, rarius 5-6, fauci 
corolle aedi filamentis filiformibus; antherz dorso affixs, lineari-oblongs, ex- 
serie. Discus inconspicuus. Ovarium 2- rarius 3-4-loculare; stylus filiformis, ex- 
sertus, ramis 2 perbrevibus divaricatis v. stigmate capitato 2-lobo ; ovula in loculis 
solitaria, septo medio inserta, amphitropa. Fructus 2- rarissime 3-4-coceus, ovoideus 
oblongus v. subglobosus, coccis plano-convexis crustaceis dorso levibus v. sulcatis v. 
suberosis indehiscentibus, axi nullo interposito. Semina oblonga, dorso convexa, 
umbilico ventrali, antice longitudinaliter sulcata, albumine corneo; embryo rectus, 
cotyledonibus latis, radicula tereti infera.— Herb: decumbentes, annus v. perennes, 
swpius rigidz, ramoss, glabr:z v. strigoso-hispidz, ramis teretibus v. 4-gonis. Folia 
opposita v. spurie verticillata, sessilia, oblonga linearia v. ovata, sspissime striato- 
nervosa. Stipule cum petiolis in vaginam multisetosam connatz. Flores parvi v. 
minuti, axillares, albi v. lilacini. 
Species ad 20, imprimis Americe calidz incole, in Africa tropica rariores. JC. Prod. iv. 561, 
excl. sect. Dasycephala.  Walp. Rep. ài. 466; vi. 30; Amm. ii. 742; iii. 906.  Griseb. FI. Brit. W. 
Ind. 348. Klotzsch, in Peters. Mossamb. Bot. 289.  G«ertn. Fruct. i. 121, t. 25. Jacq. dc. Rar. t. 
29. Lam. Illustr. t. 63. A. Rich, in Mem. Soc. Hist. Nat. Par. v. t. 14, f. 3 (Spermacoce). Fructus 
in D. tricocca, "Torr. et Gr. 3-loeularis. Borrera thymifolia Griseb. multis notis Diodie accedit. 
315. Dasycephala, DC. Prod. iv. 565 (Diodisw, sect. 2).—Calycis tubus obconicus v. 
hemisphsricus; limbi lobi v. dentes 2-4, :squales v. inzquales, denticulis interdum 
interjectis, coriacei, persistentes. Corolla infundibularis, tubo brevi, fauce glabra v. 
pilosa ; limbi lobi 4, breves, obtusi, valvati. Stamina 4, fauci coroll inserta, filamentis 
brevibus ; antherz dorso affixze, lineari-oblongs, breviter exsertz. Discus inconspicuus. 
-Ovarium 3-loculare ; sbylus filiformis, ramis 2 linearibus hirtis exsertis. Ovula in loculis 
solitaria, septo medio affixa, amphitropa. Fructus coriaceus, ovoideus v. turbinatus, 
teres v. a latere compressus, 2-coccus, coccis indehiscentibus demum solutis axi nullo 
4 
