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MEXICO. 299
1. T . Mexicanus. ( T a b . L X III.)
This genus, we believe, will be found to be quite distinct from any yet described. We have derived the
generic name from the large wart or fleshy excrescence at the base of the outside of the achenium.
T a b . LX III. Fig. 1. Capitulum ; ß g . 2. Floret from the disk ; ß g . 3. Fioret of the ray,^ with the
accompanying leaflet of the involucre, showing a front view ; the fruit nearly ripe -, fig . 4. Back view of the
fruit, with its curious caruncle at the base.
1. Melampodium sericmm? Lagasca.— De Cand. Prod. 5. p . o l8 .
S. M. (Zarabellia, DC .) tenellum; caule herbaceo erecto trichotomo piloso, folus
oblongo- V. lineari-lanceolatis hinc inde p arcedentatis u trin q u e a tten u a tis su p ra s tn g il-
losis, °pedicellis folio longioribus, involucri squamis 4-5 ro tundatis obovatis, acliamiis
curvato-obpyramidalibus apice truncatis lineis longitudinalibus transversalibnsque rugosis
reticulatim notatis, lateribus dorsoque compressis— M. ohlongifolio proximum.
3. M. perfolialum. H . B . et Kunth.— De Cand. Prod. 5. p. 3 1— Alcina perfoliata.
Cav. Ic. I.jv . 10. <• 15 Y ’edelia. Willd— Polymnia. Poir.
1. ParÙiemoTO Hysterophorus. L .— D e Cand. Prod. 5. p . 532.
1. Zinnia marítima ? H . B . et Kunth, Nov. Gen. Am. 4. p . 251. De Cand. Prod. 5. p .
536.—H a b . Talisco.
1. Ja eg e ria pedunculata; hirsuto-hispida, caule subsimplici, foliis lanceolatis inciso-
dentatis apice dentibusque callosis, pedúnculo elongato gracili monocephalo.
H a b . Talisco.—Habit q{ J.mnioide s; but a span long, hairy, almost hispid, with lanceolate leaves- and a
very elongated and slender flower-stalk.
2. J . hirta ? Less.— De Cand. Prod. 5. p . 4 4 2 ._ H a b . Talisco.
1. T iù io tà a pachycephala. De Cand. Prod. b. p . 585.
1. Bidens leucantha. Willd.— De Cand. Prod. b .p . 598.
1. Coreopsis bipinnatus. Cav. Ic. 1. p . 9. t. 14. De Cand. Prod. 5. p . 604.
1. V e rb e s in a p im n ft/d a . Cav. le . l . p . 67. t. 100. De Cand. Prod. b .p . 615.
2. V. ceanothi/olia ? Willd De Cand. Prod. 5. p . 613.
1. Spilanthes alba. W i l ld . - L ’Hérit. Stirp. p . 7. t. 4. De Cand. Prod. 5. p . 625.
1. Clomenocoma OKl'antio. Cass.— D e Cand. Prod. b .p . 641.
A single capitulum alone, without foliage, is in the collection, trom Acapulco,
1. Schkuhria virgata. De Cand. Prod. 5. p . 654.
1. Tag etes (} Leptocephalm) congesta; caule erecto pusillo ramosissimo, ramis p e rbrevibus,
foliis confertis oppositis pinnatisectis, segmentis linearibus mucronatis, c ap u u is
corymboso-fasciculatis b reviter pedicellatis cylindraceo-oblongis, flosculis 10-12, ligulis
solitariis involucro longioribus, pappo aristis 2-4, paleis 2-3 truncatis v. obtusis.
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