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SCROFULARIACËES. 177<br />

inferioribus oppositis; floribus'laxe racemosis numerosis bracteatis.<br />

(Madagascaria' 1 .)<br />

169. Harvcya HOOK. 3 — Flores fere Hgobanches; calyce auguste<br />

tubuloso v. campanulato. Corollœ tubus elongatus, nunc curvus, apice<br />

haud v. valde ampliatus; limbi suba'qualis v. irregularis lobis 5,subœqualibus<br />

dissimilibus, nunc ex parte undulatis v. denticulalis. Stamina<br />

didynama; antherarum loculis dissimilibus : altero fertili rimoso, basi<br />

aristatov.mucronato; altero angustocasso. Germen cœleraquetlyobanchcs.<br />

Capsula loculicida; valvis 2-fidis placentas septumve liberantibus.<br />

Semina ce; testa hyalina laxa reticulata; nucleo minute. — Herbœ<br />

parasiticœ, hirsutœ v. scabrœ; foliis squamiformibus; inferioribus<br />

saltem oppositis; cœteris alternis; floribus 4 terminali-spicatis v. racemosis,<br />

2-bracteolatis. (Africa austr. •"')<br />

XVIII. RIIIXAXTIIEiE.<br />

170. Rhinanthus L. — Flores irregulares; calyce gamophyllo<br />

ventricoso inflato, lateraliter 4-denlato. Corolla late tubulosa, basi<br />

hinc gibbosa ; limbi labio postico galeato obtuso ; antici brevioris lobis<br />

lateralibus extimis. Stamina didynama sub galea adscendentia; antheris<br />

transversis approximatis; loculis œqualibus parallelis pilosis<br />

muticis. Germen bine antice glandula basilari auctum, 2-loculare;<br />

loculis cc-ovulatis; stylo apice inflexo obtuso v. subcapilato. Fructus<br />

compressus loculicidus; valvis medio septiferis seminiferis. Semina<br />

compressa marginato-alata lateraliter affixa, albuminosa; embryone<br />

parvo.— Herbœ parasiticœ annuœ; foliis oppositis crenatis; floralibus<br />

plerumque serraturis setaceo-cuspidatis munitis; floribus in axillis<br />

foliorum floralium solitariis v. terminali-spicatis, ebracteolatis.<br />

(Europa, Asia et America temp: — Vid. p. 402.<br />

171. pedicnlaeis T.° — Calyx tubuloso-campanulalus, antice v.<br />

nunc utrinque tissus; dentibus 2-5, inœqualibus, valde variabilibus.<br />

1. Ptirpurasccntibus.<br />

i. Coccineis, purpureis v. aurantiacis.<br />

2. Spec. 1. T. laxijlorum BAK.<br />

5. Spee. 10-12. HOOK., Icon., t. 109, KU<br />

3. Icon., t. 118, 351. — BENTH., Gen., Il, (Aulaya). — WALP., Rep., VI, 650.<br />

967, a. 120. - - Aulaya HARV., Gen. pl. afr. 6. InsL, 171 (paru, t. 77. — L.,

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