64 y HEOBOT, 
only a few inches high, leaves very long ribbon 
like, 3 or 4 inches in length, 2 lines broad ; fL 
few of a dull yellowish purple peduncles as long 
or longer, calix with 5 large equal teeth, nearly 
urceolate, corolla almost as in Physalis, subro- 
tate when full expanded. Thus habit of Cy- 
nanchum rather than Convolvulus. 
896. Hydrolea ovatifolia Raf. pubescent 
inerme, leaves ovate acuminate, flowers termi- 
nal fasciculate subsessile — very distinct sp, 
found in Arkanzas by Nuttal, anonymous in 
Colb herb, stem simple pedal terete, leaves scat- 
tered uncial, flowers glomerate calix lanceolate 
hirsute, corolla blue puberulent, styles long, 
stigmas capitate depressed. 
897. Hydrolea paniculata Raf, pubescent 
spinose, leaves linear lanceolate acute, flowers 
terminal paniculate, subcorymbose pedunculate 
— found by Kin in Arkanzas, pedal, a short 
stiff spine at the axil of each leaf, panicle bear- 
ing 3 to 7 flowers at the end of the spinose 
branches, capsules bivalve globose, nearer to 
H. spinosa of S. Amer. than to H. caroliniana. 
898. Linum r efr actum R. stern erect hard- 
ly angular pauciflore, leaves linear acuminate 
reflexed quite smooth upper oblong, branches 
few erect uniflore, calix ovate acute uninerve— 
Origon or Canada, pedal, leaves nearly uncial 
elongate narrow, shorter almost oblong on the 
branches, flowers apparently incarnate in the 
dry specimen, collected by Walton. There are 
other vai^ or sp. of Flax in N, Amer. L. vir- 
ginicum has var. oppositifolium , foliosum , 
paucijlorum 
899. NEZERA Raf. differs from Linum, 
calix with 5 segments unequal in size or shape, 
stamens equal to calix, anthers oblong, styles g 
