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1. C. feetidissima HBK. Root very large, fusiform: leaves thick, triangular- 
cordate, rough and whitish: flowers 7.5 to 10 cm, long: fruit globose or obovoid, 5 
to 7.5em. in diameter. (C. perennis Gray.)—Abundant in the valleys of southern 
and western Texas. ‘ The fruit, when ripe, is about the color and size of an orange ” 
(Havard). Known as “ calabacilla.” 
2. C. Pepo L., the common pumpkin, has a naturalized variety in southern and 
western Texas, the habit, foliage, and fruit of which is too well known to need de- 
scription. (C. Texana Gray.) 
5. APODANTHERA Arn, 
Climbing or prostrate pubescent or hispid herbs, with round-reniform 
entire or somewhat lobed leaves, rather large yellow moncecious or dic- 
cious flowers, subcylindrical calyx-tube, distinet sessile dorsally-fixed 
nearly straight anthers, style inserted on a cup-shaped disk or ring, sol- 
itary 3-lobed stigma, ovary with 3-placent, and a fleshy ovoid fruit.— 
Sterile flowers racemose. 
1. A. undulata Gray. Prostrate vine, 9 to 24 dm. long, from an exceedingly large 
deep root (thick as a man’s leg): leaves undulate and somewhat crisped, strigose- 
cinereous, 5 to 15 cm. in diameter: sterile flowers from the lowest axils and racemose- 
corymnbed ; the fertile ones solitary in the upper axils: fruit 7.5 to 10 cm. in diam- 
eter.—In rocky valleys, from Eagle Pass to the mountains west of the Pecos. Known 
as ‘‘ melon loco.” 
6. MELOTHRIA L. 
. 
Slender and climbing, with simple tendrils, very small, polygamous 
or monecious flowers (sterile campanulate and with a 5-lobed corolla, 
fertile with calyx-tube constricted above the ovary and then campanu- 
late), more or less united straight and sessile basally-fixed anthers, 
and a small pulpy berry filled with many flat and horizontal seeds. 
1. M. pendula L. Leaves small, roundish, and heart-shaped, 5-angled or lobed, 
roughish: sterile flowers few in small racemes; fertile ones solitary, greenish, or yel- 
lowish : berry oval, green, 8 to 12mm. long.—Extending from the Gulf States throngh 
the lowlands of Texas to the lower Rio Grande, thence up the river to the Pecos. 
7. MAXIMOWICZIA Cogn. 
Climbing very glabrous herbs from a perennial root, with simple ten- 
drils, deeply 3 to 5-parted leaves with the divisions often lobed or dis- 
sected, small yellow dicecious flowers (sterile ones racemose, fascicled 
or solitary, fertile ones solitary), narrowly campanulate or eylindrical 
calyx-tube, 3 stamens inserted in the throat of the calyx, single 3-lobed 
stigma, ovary with 2 or 3 placentie, and a globose red fruit. 
1. M. Lindheimeri Cogn. Leaves succulent, subreniform, 3 to 5-lobed or -parted, 
and sinuate-dentate, 2.5 to 7.5 cm. in diameter, scabrous beneath: calyx-tube of ster- 
ile flower tubular-funnelform: berry scarlet, somewhat ovoid, 2.5 em. or more in 
diameter: seeds 6 mm. long, roundish-oval, turgidly lenticular. (Sicydium Lind- 
heimeri Gray.)—Common in the valleys of southern and western Texas. 
2. M. tripartita Cogn. Like the last, but with more narrowly lobed leaves, shorter 
campanulate calyx-tube, smaller and more obtuse fruit, and narrower seeds. (Sicy- 
