POLYPETALOUS EXOGENOUS PLANTS. 147 



ACONITUM. Monkshood, Wolfsbane. 



Sepals 5, irregular, colored, upper one vaulted ; petals 

 5, the 3 lower minute, the 2 ui^per on long claws con- 

 cealed beneath the upper sepal, recurved and nectariferous 

 at the apex ; styles 3-5 ; follicles 3-5. Leaves digitate or 

 palmate. 



ZANTHOKHIZA. Yellow Eoot. 



Sepals 5 ; petals 5, of 2 roundish lobes raised on a p)edi' 

 eel; stamens 5-10; ovaries 5-10, beaked with the styles, 

 2-3-ovuled; follicles mostly 1-seeded, seed suspended. 

 Smooth trailing shrub, yellow root. Leaves pinnately 

 divided. Racemes axillary compound. Floivers small, 

 dark purple. 



Z. apiifolia. Shady banks. Stem short, woody, leafy 

 above. Leaves glabrous, about 8' long, including the 

 long petiole. Leaflets 5, 2-3' long, sessile, incisely lobed 

 and dentate. March and April. — UHer. 



The 15th, 16th, and 17th genera, Hydrastis, Actaeae, 

 Cimicifuga, have not yet been reported (if found) by 

 botanists, as growing in Texas. 



2. MAGNOLIA FAMILY. Order, Magnoliace^. 



Ti'ees or shrubs^ with aromatic or strong-scented and 

 bitter bark, and alternate simple leaves, which are never 

 toothed ; large, thi^ stipules form the covering of the 

 huds ; fall off early. Flo2vers large, single at the ends of the 

 branches, their leaves in threes, viz., 3 sepals colored like 

 petals, and 6 petals in two rows or 9 in three rows, their 

 margins overlapping in the bud. Stamens very many on 

 the receptacle, with long anthers occupying, as it w^ere, 



