602 Mr. Dow on the Plant 
noso, cyathiformi, margine plicato, sublobulato. Styli 
complanati, leviter canaliculati, basi dilatati, subconnati 
apice recurvati. Stigmata truncata. Fructus ellipticus, | 
à dorso valdé compressus, margine complanato, latius- { 
culo cinctus: raphe angustissima, seepe clausà. Achenia 2, 
parallela, 5-costata; costis intermediis 3, distinctis, filifor- 
mibus, equidistantibus ; lateralibus 2 cum margine conflu- 
entibus. Vallecule univittatw : vittis prominulis. Com- 
missura plana, dilatata, 4-vittata, sulco levissimo medio 
exarata. Columella filiformis, tenuissima, bipartita. Se- 
men complanatum : albumen corneum, continuum, testa 
adheerenti. 
Herba (Persica) robusta, glauco-viridis, radice perenni, pube 
glandulosa vestita, facie feré Opopanacis. Folia ampla, 
petiolata, subbipinnata, bipedalia: pinnis subtrijugis, per 
paria remotis: foliolis inferioribus distinctis ; superioribus 
confluentibus, inciso-pinnatifidis : segmentis oblongis, mucro- 
nulatis, integerrimis, v. raró sublobatis, coriaceis, subtüs ve- 
nosis, 1—5-pollicaribus, semunciam v. 2 uncias latis. Petiohli 
cum rachide teretiusculi, costati, pubescentes, basi valdé dila- 
tati, subvaginantes, margine superiore alato, stipulaceo, Um- 
bella prolifera, racemosa. Umbellule globose, breviter pe- 
dunculate, spicato modo scpé disposite, pilorum lane minorum 
instar. Pedunculi teretes, lanuginosi. Involucrum e£ In- 
volucellum nulla, Petala alba. Stamina et Styli flava. 
Ovaria densissimé lanata. Fructus nudus. 
MUTA . 
i SR a: " 
^ aromas Ne eal 
1. D. Ammoniacum. 
Habitat circa pagum Jezd Khast in Persià meridionali. D. 
-OWright.X . (v. s. sp. in Mus. Soc. Linn.) 
The large cup-shaped epigynous disk, and the solitary resi- 
niferous canals distinguish this genus from Ferula and Opopanaz, 
to 
