222 VALERIANACEAE 



Fruit smooth, narrowly ovate; inflorescence of staminate plant rather dense, with 

 short branches; corolla 3^ mm. wide. 4. V. ceratophylla. 



Leaves thin, the cauline ones pinnate; veining distinctly pinnate; plants with rootstocks. 

 Bases of the stem-leaves and nodes of the stem neither ciUate nor bearded; stem finely 

 pminose-puberulent. 

 Frliit pilose; flowers perfect. 5. V. pubicarpa. 



Fruit glabrous ; plant polygamo-dioecious. 6. V. puberutenla. 



Bases of the stem-leaves and the nodes of the stem ciUate or bearded ; stem otherwise 

 glabrous or sUghtly pubescent. 

 Ovary and fruit at least when yoimg pubescent. 7. V. micrantha. 



Ovary and fruit glabrous. 



Basal leaf-blades ovate-cordate. 8. V. mala. 



Basal leaf-blades spatulate, oval or lanceolate, tapering at the bstse. 



Corolla of the pistillate plants 2-3 mm. long and sUghtly wider; inflor- 

 escence in fruit elongate and narrow. 9. V. septentrionalis. 

 Corolla of the pistillate plants 3 mm. or more long; inflorescence even in 

 fruit short, corymbiform or subcapitate. 

 Lateral leaflets or lobes of the stem-leaves small, linear-lanceolate, 



acuminate. 10. V. acutiloba. 



Lateral leaflets of the stem-leaves ample, ovate to lanceolate, acute. 



Corolla 3—4 mm. long; leaflets from entire to slightly sinuate 



11. V. occidenldlis. 

 Corolla 5-8 mm. long; leaflets from sinuate to coarsely toothed. 

 Leaflets sinuate or sinuate-denticulate; corolla 5-6 mm. long; 



tube attenuate at the base. * 12. V. Scouleri. 



Leaflets coarsely sinuate-dentate; corolla 6-8 mm. long, not con- 

 spicuously narrowed below. 13. V. sitchensis. 



Family 12S. ARISTOLOCHIACEAE. Birthwort Family. 

 1. ASARUM (Tourn.) L. Wild Ginger. l. A. caudatum. 



Family 129. CUCURBITACEAE, Gourd Family. 



Fruit large, with a tough rind, I-celled, with 3-5 placentae and numerous seeds; corolla 

 large, yellow, campanulate; flowers solitary In the axils. 1. Cucitrbita. 



Fruit spiny, becoming papery and spongiose, 2-3-ceIled; seeds few; corolla white, rotate; 

 staminate flowers racemose or paniculate. 2.'Micrampeli.s. 



1. CUCtJRBITA (Tourn.) L. Goukd, Pttmpkin, Squash. i. C. foetidissima. 



2. MICRAMPELIS Raf. Balsam Apple, Mock Apple. i. M. lobata. 



Family 130. CAMPANULACEAE. Beli.flower Family. 



Capsule opening by 2-5 lateral pores. 



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



1. Campanula. 



Corolla rot.ate; earUer flowers cleistogamous : capsule linear. 2. Specitlaria. 



Capsule thin- wailed, irregularly bursting between the ribs, obpyramidal; earlier flowers 



cleistogamous. 3. Hetehocodox. 



1. CAMPANULA (Tourn.) L. Bellflower, Harebell, Bluebell. 



Flowers more than 1 cm. long; plant simple or with erect or ascending branches. 

 Style not asserted. 



'Capsule erect, opening by pores near the siunmit, just below the base of the sepals. 

 Hypanthium and pod club-shaped, constricted just below the sepals, often 



hairy; leaves entire; sepals obtuse. 1. C unifiora. 



Hypanthiiun and pod turbinate, not constricted; sepals acuminate. 



Hypanthium villous; leaves saUently dentate. 2. C lasiocarpa. 



Hypanthium glabrous ; leaves entire or minutely denticulate. 



3. C. Parryi. 

 Capsule nodding, opening by pores near the base. 



Sepals erect; leaves thick. 4. C. petiolata. 



Sepals spreading or reflexed ; leaves thin. 5. C. heterodoza. 



Style exserted. 6. C. MacDougalii. 



Flowers 5-8 mm. long; branches divaricate; stem retrorse-hispid. 7. C. aparinoides. 



2. SPECULARIA (Heist.) Fabricius. Venus's Looking-glass. 



Leaves cordate-clasping; capsiile oblong. 1. S. perfoliata. 



Leaves linear or linear-lanceolate; capsule linear-cylindric. 2. S. leptocarpa. 



3. HETEROCODON Nutt. l. H. rariflorum. 



Family 131. LOBELIACEAE. Lobelia Family. 



Anthers distinct, merely surrounding the pistil; stem-leaves reduced, subulate. bract-Uke. 



1. Nemacladus. 



