BARBERRY FAMILY 95 



Fruit fleshy, not inflated at maturity, dark blue with a bloom; leaflets 3-10 cm. long. 

 Leaflets 3-11; bud-scales ovate or rounded, deciduous. 



Prostrate, rising only 1-3 dm. over ground; leaves not very shining. 



2. O. Aquifolium. 

 Erect, 3-15 dm. high; leaves very shining. 3. O. yiutkanus. 



Leaflets 13-17; bud-scales large, lanceolate, coriaceous, persistent. 4. O. nervosus. 



Family 50. PAPAVERACEAE Juss. Poppy Family. 



Hypantliiura not developed; calyx not calyptrate; pod not elongate, 3-20-carpellary. 

 Ovary many-lobod, in fruit breaking up into many follicles, which at maturity break 



oil into i-seeded joints; leaves opposite. 1. Platystemon. 



Ovary of two to many completely united and not separating carpels; leaves alternate. 

 Capsule opening by valves, at least at the summit. 

 Unarmed herbs; sepals neither horned nor hooded. 



Petals in age thin, scarious-persistent ; leaves basal, entire. 



2. Arctomecon. 

 Petals not scarious-persistent; stem leafy; leaves pinnately divided or 

 lobed. 3. Chelidonium. 



Prickly-leaved leafy-stemmed herbs; sepals hooded or horned; petals deciduous. 



4. Argemone. 

 Capsule opening by dentiform lids under the stigma. 5. Papaver. 



Hypanthium more or less developed; calyx calyptrate, i. e., the two sepals whoUy united 

 into a funnelform body, hfted off by the expanding petals; capsule elongate, 2-valved 

 usually from the base to the apex. 6. Eschscholtzia. 



1. PLATYSTEMON Benth. Cream-cups. l. P. calif omicus. 



2. ARCTOMECON Torr. & Frem. l. A. humilis. 



3. CHELIDONIUM (Tourn.) L. Celandine. l. C. majus. 



4. ARGEMONE L. Prickly Poppy, Thistle Poppy. 



Corolla yellow; leaves with light blotches. 1. A. mexicana. 



Corolla wliite; leaves not blotched. 

 Prickles of the fruit not squarrose. 



Stem unarmed, prickly, or bristly, but not hispidulous. 



Leaves acutely lobed; horns of the sepals glabrous. 2. A. intermedia. 



Leaves round-lobed; horns of the sepals bristly. 3. A. rotundato. 



Stem hispidulous-pubescent as well as densely prickly. 4. A. hispida. 



Prickles of the fruit'strong, recurved-spreading, squarrose. 5. A. squarrosa. 



5. PAPAVER (Tourn.) L. Poppy. 



Leaves densely hirsute; lobes lanceolate or oblong. 1. P. radicatum. 



Leaves glabrous or with a few bristles; lobes rounded. 2. P. pygmaeum. 



6. ESCHSCHOLTZIA Cham. California Poppy. 



Petals S-25 mm. long, broadly cuneate; stem scapiform; stamens many. 



Seeds superficially reticulate; lobes of the leaves oblong or linear, 1-2 mm. wide. 



1. E. mexicana. 

 Seeds deeply pitted; lobes of the leaves linear-flUform, about 0.5 mm. wide. 



2. E. glyptosperma. 

 Petals 3-6 mm. long, obovate; stem usually more or less leafy; stamens few. 



3. E. minuscula. 



Family 51. FUMARIACEAE. Fumitory Family. 



Both of the outer petals spurred at the base. 1 . Bicuculla . 

 One of the outer petals spurred . 



Ovules several or many; fruit an elongated capsule. 2. Capnoides. 



Ovules solitary; fruit an indehiscent nut. 3. Fumaria. 



1. BICUCULLA Adans. Dutchman's Breeches, Bleeding Heart. 



Flowers racemose; spur elongate, oblong, divergent. 1. B. occidentalis 



Flowers solitary; spur very short and rounded. 2. B. uniflora. 



2. CAPNOIDES Adans. Corydalis. 

 Annuals or biennials. 



Plants low, ascending or diffuse; corolla yellow. 

 Pod glabrous. 



Bracts narrowly lanceolate; pod pendulous, torulose. 1. C. aureum. 



Bracts ovate-lanceolate, ovate, or obovate; pod erect, not torulose. 



2. C. monlanum. 

 Pod covered with translucent vesicles. 3. C. crystallinum. 



Plants erect, tall, usually 3-6 dm. high; corolla rose or purplish, with purple tips. 



4. C. sempervirens. 



