132 TREES AND SHRUBS 



CDRNACEAE. Dogwood Family 

 Trees or (ours) shrubs with simple, entire and mainly op- 

 posite leaves without stipules and perfect or unisexual flowers in. 

 cymes or catkins; calyx lobes minute; petals and stamens 4, epigyn- 

 ous ovary inferior, becoming a 1 to 2-seeded drupe or berry, some- 

 times dry when mature. 



Flowers perfect, In cymes; leaves deciduous. l. Svida. 



-Flowers dioecious. In pendulous spikes; leaves 



evergreen. 2: GxRRflA. 



1. SVIDA Opis. 



Shrub 3 to 6 feet high; branches reddish, smooth; leaves 

 •elliptic, ovate, entire, short petioled, opposite, thin, deciduous; flow- 

 ers white perfect in flat topped cymes, without involucre; fruit 

 'whitish. 



1. S. stolonifera riparia.. 



2. GARRYA. 



: Evergreen shrubs from 2 feet to over 10 feet high, with op- 

 posite elliptic to ovate, entire, short-petioled, corriaceous leaves and' 

 dioecious; inconspicuous whitish flowers in loose, axillary catkins; 

 petals wanting; calyx 4-merous in the staminate flowers, stamens 

 wanting; ovary 1-eelled. with 2 persistent styles; fruit a blue-black 

 berry 5 Tmn. in diameter or less, becoming dry. Another undescribed' 

 ^species aecurs in the Guadalupe Mountains. 



1. G. urightii. 



ERICACEAE. Heath Family 



Shrubs and trees with scaly buds and alternate, simple, ex- 

 piate leaves, (our- all evergreen), with perfect 4 to 5-merous 

 floWers, in small terminal or axillary clusters; corolla urceolate or 

 globular, 4 to .l-toothed. deeid\ioti>; stamens twice as many as the 

 corolla lobes, included, dehiscent by terminal pores or chinks; fruifc 

 fleshy, drupaceous or berry like. 

 Ovary S-'celled, (rarely 4 -celled) ripening- into 

 a granular coated berry, with manv seeds 

 and a firm endocarp. (Ours are good sized 



^ tree , S) -, , A „ . 1 Arbitis. 



Ovary 4 to 10-cetted, with solitary ovules, in 



fruit becoming a drupe with as manv seed 



like nutlets or a solid' stone. (Ours are 



snnibs. one prostrated L\ Ar.tostaphti.os. 



