822 CUCURBiTACEAE 



1. CUCtJRBITA (Tourn.) L. Gourd, Pumpkin, Squash. 



Annual or perennial, rough-pubescent trailing vines. Leaves petioled, 

 lobed or entire, often cordate. Tendrils more or less branched. Flowers 

 large, solitary in the axils of the leaves, monoecious. Hypanthium in the stam- 

 inate flowers campanulate, in the pistillate ones urn-shaped. Sepals 5. Corolla 

 yellow, campanulate, 5-lobed, the lobes recurved at the ends. Stamens 3, in 

 the staminate flowers with distinct filaments and linear, coherent, contorted 

 anther, in the pistillate flowers reduced to staminodia. Pistil in the former 

 wanting, in the latter with a single ovary and 3-5 stigmas, which are 2-branched 

 or at least 2-lobed. Pepo 1-celled, with 3-5 placentae, many-seeded, usually 

 large, fleshy, with a tough rind. Seeds flattened. 



1. C. foetidissima H.B.K. Perennial, with a thick, long taproot; stem 

 traiUng, 1-8 m. long; leaves with stout petioles; blades ovate-triangular or ovate, 

 thick, canescent-scabroiis, truncate or cordate at the base, 1-4 dm. long, often 

 sinuately-lobed, denticulate; hypanthium of the staminate flowers hemispheric, 

 that of the pistillate flowers ellipsoid; corolla 6-15 cm. long, campanulate, 

 greenish orange; fruit globose, 5-10 cm. in diameter, smooth, bitter. C. perennis 

 A. Gray. Dry plains and valleys: Tex. — Neb. — Colo. — CaUf. — Mex. Plain 

 —Son. My-S. 



2. MICRAMPELIS Raf. Balsam Apple, Mock Apple. 



Annual or perennial herbaceous climbing vines. Leaves petioled, mem- 

 branous, 5-7-lobed. Tendrils simple or compound. Flowers monoecious, 

 small, the staminate ones racemose or paniculate, the pistillate ones solitary or 

 clustered in the axils of the leaves. Hypanthium of the staminate ones broadly 

 campanulate, that of the pistillate ones urn-shaped. Sepals 5 or 6. Corolla 

 white or greenish, rotate, 5- or 6-lobed. Stamens in the former 2 or 3 with 

 united filaments and horizontal anthers, in the latter reduced to more or less prom- 

 inent staminodia. Pistil in the former wanting, in the latter with an inferior 

 ovary; stigmas 2- or 3-parted, or -lobed. Fruit covered with soft spines, becom- 

 ing papery, spongy and fibrous within, 2- or 3-celled. Seeds few, 1-4 in each 

 cavity, smooth, flattened, erect. [Echinocyslis T. & G.] 



1. M. lobata (Michx.) Greene. Annual; stem angular, nearly glabrous, 

 climbing, 4-8 m. high; leaf-blades thin, scabrous on both sides, 3-7-lobed, with 

 triangular-lanceolate lobes, cordate at the base; staminate flowers 4-5 mm. 

 long, numerous in compound racemes, light greenish yellow; pistillate flowers 

 solitary or two together; fruit globose-ovoid, 4-5 cm. long, 3-4 cm. thick. Echino- 

 cyslis lobata T. & G. Alluvial soil among bushes: Me. — Va. — Tex. — Colo. — 

 Ida.— Sask. Jl-S. 



Family 130. CAMPANULACEAE. Bellflower Family. 



Annual or perennial caulescent herbs (all ours) or rarely shrubs. Leaves 

 without stipules, alternate, simple. Flowers perfect, racemose or spicate or 

 solitarj^, terminal or axillary, regular. Hypanthium well developed, enclos- 

 ing the ovary. Sepals 5, partiality united, persistent. Corolla of 5 united 

 petals, campanulate, tubular, or rotate. Stamens 5, inserted with the 

 corolla; filaments distinct; anthers introrse. Gjmoecium of 2-5 united 

 carpels; ovarj'' inferior or nearly inferior, 2-5-celled; styles united; stigmas 

 with 2-5 lobes or rarely capitate. Fruit a 2-5-celled capsule, opening locu- 

 licidally or by pores. Seeds numerous, angled or flattened; endosperm fleshy; 

 embryo straight. 



Capsule opening by 2-5 lateral pores. 



Corolla campanulate or funnelforni ; flowers all well developed; capsule turbinate. 



1. Campanula. 



Corolla rotate; earlier flowers cleistogamous; capsule linear. 2. SPEt^ULARiA. 



Capsule thin- wailed, irregularly bursting between the ribs, obpjTanudal: earlier flowers 



cleistogamous. 3. Heterocodon. 



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