eeicacb^;. 231 



ulate. Capsule firm, strongly ribbed, crowned with rigid calyx-lobes of 

 its own length, opening by a round aperture formed by the falling away 

 of the base of the style. Seeds oblong to somewhat fusiform. 



1. G. specnlarioides, Nutt. Roughish with short stiff hairs, 2 — 5 

 in. high, mostly quite erect, and with few short divergent branches, each 

 1-flowered: leaves lanceolate-oblong, sessile, coarsely toothed: corolla 

 blue, usually shorter than the narrow-linear 1-nerved calyx-lobes: cap- 

 sule pedicellate: seeds rather slender-oblong. Dry open grounds. May. 



2. Gt. diffusa, Gray. Slender, diffusely branching, glabrous: calyx- 

 lobes subulate-lanceolate from a broad base, half the length of the 

 linear sessile capsule: seeds short-oblong. — Vaca Mountains, and south- 

 ward. May, June. 



Ordbk Hxii. E R I C A C E /E , 



Woody plants (Pyrola herbaceous), with alternate simple leaves, and 

 symmetrical mostly 5-merous flowers. Calyx either adherent to or free 

 from the ovary, and stamens epigynous or hypogynous, opening by ter- 

 minal pores. Corolla sympetalous (in Pyrola choripetalous), often 

 urceolate. Style 1; stigma sometimes girt with a ring. Ovary with cells 

 equal in number to the petals. Fruit baccate, drupaceous, or capsular. 



Corolla sympetalous; 



Calyx-tube adherent to the ovary Vaccinium 1 



" " free from the ovary; 



Fruit granular, baccate Aubutus 2 



" smooth, drupaceous Arctostaphylos 3 



*' capsular, but berry-like by enclosure in a 



fleshy calyx Bkoss^ea 4 



" woody-capBular Khododendkon 5 



Corolla choripetalous; stamens hypogynous; 



Flowers umbellate, on a leafy stem Cbimaphila 6 



" racemose, on a naked scape Pybola 



1. VACCINIUM, Linn. Shrubs. Calyx-tube adherent to the ovary, 

 and corolla epigynous. Anther-cells separate, tapering upwards into a 

 tube, this opening by a round orifice at the apex. Stigma simple, with- 

 out a ring. Fruit a many-seeded berry crowned with the 5 small teeth 

 of the calyx. 



1. V. ovatum, Pursh. Evergreen, erect, 3—6 ft. high, with spreading 

 branches and hirsute branchlets : leaves coriaceous, smooth and shining 

 above, ovate to oblong-lanceolate, acute, serrate: fl. crowded in very 

 flhort axillary and terminal racemes: corolla campanulate, pink: calyx- 

 teeth as long as the ovary: berries black, without bloom —Plentiful on 

 wooded hills in the vicinity of the Redwoods. May, June. 



2. ARBUTUS, Pliny. Trees. Calyx 5-lobed, free from the ovary. 

 Corolla urceolate, with 5 small recurved teeth. Stamens 10, included; 



