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CoLLOMIA HETEROPHYLLA. NARROW-LEAVED 
CoLLomMIA. 
Class and Order. — 
PentTanpriA Monoeynia. 
( Nat. Ord.—Potemonracez. )~ 
Generic Character. ro 
Cal. obconicus, glandulosus, 5-fidus. Cor. subhypocra- 
teriformis, limbo 5-fido.. Stam. intra faucem tubi inserta, 
Inequalia. Capsula trilocularis, trivalvis obcordatis locu- 
licido-dehiscens, axi libera trialata ; loculis mono- di-sper- 
mis. Semina mucosa. (Flores involucrati.)» » 
Specific Character and Synonym. 
Cottomia heterophylla ; pubescens, caule erecto ramoso, 
‘foliis inferioribus bipinnatifidis superne sensim magis 
Integris, involucris omnino-integris, capitulis pauci- 
oris. : 
Gitta heterophylla. Douglas Journ. ined. 
‘eee, 
_ Descr. Annual. A foot to a foot and a half high, 
frect, much branched. Leaves alternate, all petiolated : 
1€ lower ones on long petioles, and deeply and doubly 
Pinnatifid ; the segments lanceolate, rather acute, pubes- 
Cent as are all the leaves and stem: upwards the leaves be- 
pome gradually more and more entire, and upon shorter 
footstalks, till they pass into the uppermost leaves or brac- 
_"e of the involucre, where they are oval, sessile, quite en- 
re, or with a single tooth on one side. Heads sessile, of 
ew flowers. Calyx campanulate, nerved with five deep 
Segments half its length, glanduloso-pubescent. Tube of 
the corolla very long, slender, purplish, enlarged and yellow 
"uPWards at the faux: Limb of five oval, purple segments, 
spreading 
