206 PAPAVEEAC'ETE. 



Not acaulescent; peduncles glabrous; flowers light yellow; ovary linear; capsule 

 tw.sted 1. P. Califoi-nicum. 



Acaulescent or nearly so; scapes hairy; flowers light yellow; ovary and capsule 

 3-lobed . . 2, P. lineare. 



1. P. Californicum (Torr.) B. & H. Very slender, erect, 4 to 7 

 in. high, paniculately or dichotomously branched above or even 

 from the base; glabrous throughout; radical and lower leaves elliptic 

 to obovate-spatulate, 5 to 11 lines long, often contracted into a 

 petiole, the upper cauline oblanceolate to linear; peduncles 2 to 3 in. 

 long, erect in anthesis, in fruit deflexed almost horizontally but the 

 capsule vertical or nearly so; sepals often reddish; petals white, 

 elliptic to oblong, often narrowed to a short claw, 3 to 5 lines long; 

 stamens 6 to 12, rarely 4, unequal, in two series, the outer shorter; 

 filaments filiform, slightly dilated upwards; capsule J to 1 (rarely IJ) 

 in. long. — (Platystemon Torreyi G-reene.) 



San Francisco Peninsula and southward. Mar. -Apr. 



2. P. lineare Benth. Acaulescent or nearly so; scapes commonly 

 4 to 8 in. high, hispid with spreading hairs; leaves linear, 1 to 2 in. 

 long, sessile; sepals brownish; petals light yellow cuneate-orbicular 

 or obovate, 4 to 9 lines long; stamens numerous, filaments conspicu- 

 ously dilated; body of capsule 5 to 7 lines long. 



Clear Lake to Oakland, Holder; San Francisco, Bloomer, and south- 

 ward. Mar.-May. Leaves often with several parallel nerves 

 beneath. 



3. DENDROMECON Benth. 



Low branching shrub with alternate entire and coriaceous leaves 

 and yellow flowers. Sepals 2. Petals 4. Stamens numerous, with 

 short filiform filaments and linear anthers. Ovary linear with 2 

 nerve-like placentae. Capsule linear. Seeds pitted, provided with a 

 caruncle. (Greek dendron, tree, and mecon, poppy.) 



1. D. rigidum Benth. Tkee Poppy. Glabrous, 2 to 4 or even 

 7 ft. high; main stems one or several, somewhat trunk-like, often 1 

 in. thick and with very shreddy bark; branches white or light colored; 

 leaves reticulate-veiny, oblong or acute at each end, yellowish green 

 above, hispidulous on the margin, mucronate-acuminate, 3 in. long, 

 borne on very short petioles which, by a twist, bring the blade verti- 

 cal; upper leaves smaller and oblong-ovate or lanceolate; flowers 

 golden yellow, 1 to 2J in. in diameter, on pedicels 1 to 3 in. long; 

 sepals orbicular; capsules curved, 2 to 4 in. long, attenuate into'a 

 short style bearing 2 oblong stigmas. 



Dry slopes and ridges of the Coast Ranges at middle altitudes from 

 Lake Go. and Caux's Knob (east of St. Helena) to Mt. Tamalpais 

 and Mt. Diablo; thence southward to San Diego; also in the Sierras. 

 Last of Apr.-June. 



4. ESCHSCHOLTZIA Cham. 



Annuals or perennials with watery juice, petioled ternately dis- 

 sected lcii\'es and peduncled yellow flowers. Receptacle hollowed or 



