20 



inserted into, and thence decurrent along the tube), attached to the 

 lower margin of the tube, flattened at the base. 



Style sub-equal, persistent, simple, glabrous, fifth filament short, 

 declined, glabrous, somewhat clavate. 



Capsule conic, two-celled, four-valved, seeds black and angular. 



Dr. Kellogg presented a specimen of Calliproa from Mariposa, 

 which differs from Callij^roa lutea in many respects, aud it is thought 

 may prove a new species. 



Caurantea, (Kellogg). — Scape striate, regularly scabrous back- 

 ■wards along the strise, six to eight inches in height. 



Umbel about twelve-flowered — peduncles (two to three inches in 

 length) striate, with transparent scabrulous elevations, also hooked 

 backwards. 



Scarious involucres variable, about six in two series — three outer 

 longest lance acute, conspicuously three to five brown nerved. 



Perianth obconic funnel-form, limb scarcely longer than the pointed 

 tube, three outer segments lanceolate-acute, apex shghtly rostrated on 

 the back ; the three inner lanceolate-ovate emarginate ; segments 

 marked by a strong green line along the back, extending down to the 

 acutely pointed base of the tube (under the glass) consisting of two 

 parallel veins. Stripe or pedicel of capsule over one-fourth of an inch 

 in length. 



Bulb and leaf unknown. 



October 2, 1859. 



Dii. J. A. Yeatch, in the Chair. 



Dr. Kellogg read descriptions of the following plants brought from 

 Cerros Island by Dr. J. A. Veatch. 



Rhamnus Insidus, (Kellogg), Cerros Island Buckthorn. — 

 Branches neither spinescent nor thorny, light spotted gray bark, wood 

 white, young branchlets with peduncles and petioles minutely villous. 



Leaves sempervirent, thin, lucid, membranaceous, prominently retic- 

 ulated lamina, finely pinnate veined ; colored nearly alike above and 

 below, rigid, oval obtuse, repand-mucronate dentate ; the scabrous-like 

 teeth somewhat hooked backward, glabrous and shining above and 

 below, small (one-half to three-fourths of an inch long) on short peti- 

 oles (one-tenth of an inch). 



