150 LXXXIV. RUBIACEJE. [Galiec. 
rotata, lobis 4 valvatis. Stamina 4, tubo corolle inserta, filamentis brevibus; 
anthere didyms. Discus inconspicuus. Ovarium 2-loculare, loculis angustis axi con- 
tiguis; styli 2, breves, stigmatibus capitatis; ovula in loculis solitaria, e basi erecta, 
elongata, j-anatropa. Fructus oblongus, obscure lateraliter compréssus, 2-coccus, coccis 
S-cristatis, cristis sinuato-dentatis, dentibus ssepe apice uncinatis. Fructus membra- 
naceus, durus, 2-locularis, 2-spéermus, - Semina a pericarpio libera, erectà, elongata, 
facie ventrali exsculpta, testa membranacea, albumine corneo; embryo cylindraceus, 
cotyledonibus linearibus, radicula elongata infera.— Herba humilis, scaberula,: annua, 
tota aculeato-papillosa. Folia linearia, 4-natim  verticillata. Flores albi, in axillis 
foliorum 1-3 pedunculati, pedunculis apice bracteolatis fructiferis incrassatis demum plus 
minusve decurvis. 
Species 1, Assyriea. Walp. Rep. ii. 8, et Jaub. et Sp. Ill. Pl. Or. ii. t. 194 (Galium). 
333. D1dymeea, Hook. f. gen. nov.—Flores hermaphroditi. Calycis tubus turbinato- 
globosus ; limbus integerrimus. Corolla campanulata v. rotata, glaberrima, 4-loba, lobis 
triangularibus subaeutis valvatis. Stamina 4, inter lobos corollm inserta, filamentis 
brevibus subulatis;  anthere dorso affixce,  oblongse, obtusse. | Discus depressus. 
Ovarium 2-loculare; stylus brevis, crassus, ramis 2 brevibus divaricatis, apice et intus 
papillosis ; ovula in loculis solitaria, septo infra medium: affixa, amphitropa. . Fructus 
didymus, lobis globosis carnosulis, altero sspe minore v. imperfecto. Semina. . .— 
Herba habitu J/wbic, debilis, flaccida, implexo-ramosa, sparse puberula, ramis ramu- 
lisque gracilibus fragilibus tetragonis. .Folia parva, opposita, petiolata, ovata v. ovato- 
cordata, acuta, siecatione nigrescentia. Stipule utrinque gemin:ze, interpetiolares, subu- 
latz, persistentes, demum recurvz. Flores axillares, minuti, pedicellati, pedicellis cum 
calyce non articulatis, in fructu sicangatia patentibus v. recurvis. Fructus parvus, sic- 
catione aterrimus. 
Species 1, Mexici incola, D. emezicana, Hook. f. 
334. Asperula, Linn. Gen. n. 121.— Flores hermaphroditi, fasciculati v. rarius subumbel- 
lati et involucrati, ebracteolati. Calycis. tubus didymus ; limbus obsoletus, rarius minute 
4-dentatus. Corolla infundibularis v. rarius subcampanulata, fauce nuda ; limbi lobi 4, 
patentes, valvati. Stamina 4, tubo v. fauci corolle inserta, flüments filiformibus ; 
antherse breviter exsertz, delsngs v. lineares. Discus inconspicuus. Ovarium 
2-loculare; stylus 2-fidus v. styli 2, stigmatibus capitatis; ovula in loculis solitaria, septo 
affixa, amphitropa. Fructus globoso-didymus, siccus v. subcarnosus, 2-coceus, coccis 
ündehiscentibus dorso convexis facie planis v. exsculptis. ^ Semina pericarpio adhzo- 
rentia, testa membranacea, albumine corneo ; embryo cürvus, cotyledonibus foliaceis, 
radicula tereti fifora ^ fertis basi sspe frutescentes, ramoss, ramis sepius elongatis 
gracilibus 4-gonis. Folia superiora opposita, exstipulata, inferiora v. omnia 3-oc-natim - 
verticilla£a, linearia v. lanceolata, rarius ovata v. obovata. Flores parvi, albi rosei v. 
azurei, pedicello cum calyce articulato. , 
Species ad 80 descripte. quarum permultze male dedinits, Europz, regionis Mediterranex, Asie 
precipue eccidentalis, et Australie incole. DC. Prod. iv. 581. Walp. Rep. ii. 460, 941; vi. 22; 
-Ann.i. 369; ii. 739; v. 102. Benth. FL Austral.iii. 443.  G«ertín. Fruct. ii. 89, £. 195. e Rich. 
in Mem. Soc. Hist. Nat. Par. v. t. 11, f. 1. Boiss. Voy. Esp. t. 83, 84. Sibth. Fl. Gr. & 117 ad 
124. Jaub. et Sp. Ill. Pl. Or. 82, 196. — Heichb. Ic. Fl. Germ. t. 1177 ad 1183. 
335. Crucianella, Linn. dimi ^. 126.—Flores hermaphroditi, spicati v. fascicu- - 
lati, bracteolati et ebracteolati. Calycis tubus obovoideus oblongus v.' obcordatus ; 
limbus obsoletus. . Corolla tubuloso-infundibularis, fauce glabra; limbi lobi 4-5, ovati 
v. oblongi, apice attenuato longe inflexo, valvati. Stamina 4-b, tubo coroll inserta, 
filamentis filiformibus v. obsoletis ; antherse medio dorso affixc, lineari-oblongee, incluso. 
Discus tumidus v. obsoletus. Ovarium 2-loculare ; stylus filiformis, ramis 2 sspe 
insqualibus, stigmatib itatis v. renifermibus ; orulii in loculis solitaria, e basi septi 
erecta, anatropa. .Fructus linearis; oblongus v. ipta coriaceus, 2-coccus, coecis dorso 
