20 
NEOROT. 
770. Mesodiscus simplex Raf. stem terete 
solid base subangular few leaved, leaves remote, 
petiols angular, foiioles 3 entire oblong or lan- 
ceol. acute, middle one acuminate; umbel single 
involucre none, invoiucels2 setaceous, 7 umbel- 
lules 9- 12 (lore, pedicels unequal, petals obcor- 
date concave. — Sent me from Alabama, stem 
slender pedal or more, foiioles uncial, last leaf 
a single linear foliole remote from umbel, flow- 
ers quite white. — Yar. major has stem bipedal, 
the lower leaf with 5 foiioles. 
771. Mesodiscus proliferus Raf. stem te- 
rete solid, leaves remote, petiols carinate, foli- 
oles 3 or 5 lanceolate entire very acute, some- 
times falcate : umbel thrice compound, first in- 
volucre with 5 linear foiioles, second involucres 
none or one linear, commonly 5 umbellules, 
7-15flore, involucels 2finear, petals flat obovate 
scarcely obcordate. — Also from Alabama, leaves 
sometimes with only 2 foiioles, the lower have 
5 subpinnate. Quite smooth and with white 
flowers like the last : the triple umbel is a great 
anomaly. 
772. > AT ARIA R. ombelif. polygamous. 
Involucre none or 1 or 2 minute, involuces 3-6 
subulate. Calix minute Stoothed petals equal 
round obcordate incurved, 5 short stamens, disk 
almost conical, 2 short styles divaricate. Seeds 
elliptic fiat and thin, 5 striated, convexely in- 
curved, surrounded by a thick fungose white 
margin over both seeds. Leaves ternate, flow- 
ers oc hr ole aeons — united to Peueedanon by 
Nuttal (who did not see the perfect flowers) 
which differs by petals oblong, seeds oval wing- 
ed around, flowers yellow «^c. Sataria was an 
ancient name of Peueedanon. A few male 
flowers are rnixt in umbels. 
